Dell 5524 Guida Utente

Dell PowerConnect5500 SeriesSystem User GuideRegulatory Models: PowerConnect 5524, 5524P, 5548, 5548P

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm10 ContentsDynamic ARP Inspection List .

100 Dell PowerConnect 55xx Systems User GuideConfiguring MAC-Based ACLs Using CLI CommandsThe following table summarizes the CLI commands for configur

Dell PowerConnect 55xx Systems User Guide 101MAC-Based ACEsTo add rules to an ACL:1Click Switching > Network Security > MAC Based ACE to display

102 Dell PowerConnect 55xx Systems User Guide–Dest. MAC Address — Match the destination MAC address to which packets are addressed to this address. In

Dell PowerConnect 55xx Systems User Guide 103Configuring MAC-Based ACEs Using CLI CommandsThe following table summarizes the CLI commands for configur

104 Dell PowerConnect 55xx Systems User GuideIPv4-Based ACLsTo define an IPv4-based ACL:1Click Switching > Network Security > IPv4 Based ACL to

Dell PowerConnect 55xx Systems User Guide 105Configuring IP-based ACLs Using CLI CommandsThe following table summarizes the CLI commands for configuri

106 Dell PowerConnect 55xx Systems User GuideThe currently-defined rules for the selected ACL are displayed.2To add a rule, click Add ACE.3Select a us

Dell PowerConnect 55xx Systems User Guide 107•HMP — Host Mapping Protocol (HMP). Collects network information from various networks hosts. HMP monitor

108 Dell PowerConnect 55xx Systems User Guide–Source Port (0 - 65535) — Enter the TCP/UDP source port. Enter either Single, Range or select Any to inc

Dell PowerConnect 55xx Systems User Guide 109–ICMP Code — Enter an ICMP message code for filtering ICMP packets that are filtered by ICMP message type

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fmContents1122 Quality of Service . . . .

110 Dell PowerConnect 55xx Systems User GuideConfiguring IP-based ACEs Using CLI CommandsThe following table summarizes the CLI commands for configuri

Dell PowerConnect 55xx Systems User Guide 111The following is an example of some of the CLI commands: deny protocol {any|source-ip-address source-wild

112 Dell PowerConnect 55xx Systems User GuideIPv6-Based ACLsThe IPv6 Based ACL Page displays and enables the creation of IPv6 ACLs, which check pure I

Dell PowerConnect 55xx Systems User Guide 113Configuring IPv6-based ACLs Using CLI CommandsThe following table summarizes the CLI commands for configu

114 Dell PowerConnect 55xx Systems User GuideThe currently-defined rules for the selected ACL are displayed.2To add a rule click Add ACE.3Select a use

Dell PowerConnect 55xx Systems User Guide 115•Any — Check to use all ICMP types.–ICMP Code — Specifies an ICMP message code for filtering ICMP packets

116 Dell PowerConnect 55xx Systems User Guide–Shutdown — Drops packet that meet the ACL criteria, and disables the port to which the packet was addres

Dell PowerConnect 55xx Systems User Guide 117The following is an example of some of the CLI commands: deny protocol {any|{source-prefix/length }{any|d

118 Dell PowerConnect 55xx Systems User GuideACL Binding When an ACL is bound to an interface, all the rules that have been defined for the ACL are ap

Dell PowerConnect 55xx Systems User Guide 1192To bind an ACL to an interface, select an interface and click Edit.3Select an ACL(s). You can select one

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm12 Contents

120 Dell PowerConnect 55xx Systems User GuideProprietary Protocol Filtering Protocol filters are used to disallow receiving specific proprietary proto

Dell PowerConnect 55xx Systems User Guide 1214Move the required protocols from the Available Protocols list to the Filtered Protocols list. The follow

122 Dell PowerConnect 55xx Systems User GuideTime Range Time ranges can be defined and associated with an QoS ACL, so that it is applied only during t

Dell PowerConnect 55xx Systems User Guide 123Absolute Time Range To define an absolute time range:1Click Switching > Network Security > Time Ran

124 Dell PowerConnect 55xx Systems User Guide5Define the Absolute End time.– To indicate that the Time Range should not end, click Infinite.– To deter

Dell PowerConnect 55xx Systems User Guide 1252To add a recurring time range element to a time range, click Add.3Select the Time Range Name to which yo

126 Dell PowerConnect 55xx Systems User GuideThe following is an example of some of the CLI commands: periodic day-of-the-week hh:mm to day-of-the-wee

Dell PowerConnect 55xx Systems User Guide 127Dot1x AuthenticationThis section describes Dot1x authentication.It contains the following topics: • Port-

128 Dell PowerConnect 55xx Systems User GuideThe device supports Port Based Authentication via RADIUS servers. Dot1x OverviewDot1x is an IEEE standard

Dell PowerConnect 55xx Systems User Guide 129Dynamic VLAN Assignment (DVA)Dynamic VLAN Assignment (DVA) is also referred to as RADIUS VLAN Assignment

Dell PowerConnect 55xx Systems User Guide 131PrefacePowerConnect 5524/5548 and PowerConnect 5524P/5548P are stackable, advanced multi-layer devices. T

130 Dell PowerConnect 55xx Systems User Guideusername and password must be entered in lower case and with no delimiting characters (for example: aaccb

Dell PowerConnect 55xx Systems User Guide 131• If a port is Guest-VLAN-enabled, the switch automatically adds the port as an untagged member of the Gu

132 Dell PowerConnect 55xx Systems User GuidePort-Based Authentication GlobalTo globally configure authentication:1Click Switching > Network Securi

Dell PowerConnect 55xx Systems User Guide 133•RADIUS, None — Perform port authentication first by using the RADIUS server. If no response is received

134 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: dot1x system-auth-control monitor [vlan vlan-id]no dot1x

Dell PowerConnect 55xx Systems User Guide 135Port-Based Authentication Interface SettingsTo configure 802.1x authentication on an interface:1Click Swi

136 Dell PowerConnect 55xx Systems User Guide•Authorized — Places the interface into an authorized state without being authenticated. The interface re

Dell PowerConnect 55xx Systems User Guide 137• Authenticated ports are added to the supplicant VLAN as untagged. • Authenticated ports remain unauthen

138 Dell PowerConnect 55xx Systems User Guide–Supplicant Timeout (1-65535) — Enter the amount of time that lapses before EAP requests are resent to th

Dell PowerConnect 55xx Systems User Guide 139dot1x re-authenticationno dot1x re-authenticationEnables periodic re-authentication of the client.Use the

Dell PowerConnect 55xx Systems User Guide 142FeaturesThis section describes the features of the PowerConnect 5524/P and 5548/P switches.For a complete

140 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: show dot1x advanced Displays 802.1X advanced features fo

Dell PowerConnect 55xx Systems User Guide 141Monitoring UsersUse the Monitoring Users page to view rejected users.1Click Switching > Network Securi

142 Dell PowerConnect 55xx Systems User Guide Table 8-14. Reject Reason DescriptionAbbreviation DescriptionACL-DEL ACL was del

Dell PowerConnect 55xx Systems User Guide 143Monitoring Users Using the CLI CommandsThe following table summarizes the CLI commands for monitoring use

144 Dell PowerConnect 55xx Systems User GuideHost Authentication Use the Host Authentication page to define the authentication mode on the port, and t

Dell PowerConnect 55xx Systems User Guide 145• Not in Auto Mode — The port control is Forced Authorized, and clients have full port access. • Single-h

146 Dell PowerConnect 55xx Systems User Guide•Shutdown — Discard the packet from any unlearned source and shut down the port. Ports remain shutdown un

Dell PowerConnect 55xx Systems User Guide 147Port Authentication UsersThe Port Authentication Users page enables you to view users that attempted to b

148 Dell PowerConnect 55xx Systems User Guide–Authentication Method — Method by which the last session was authenticated. The options are:•None—No aut

Dell PowerConnect 55xx Systems User Guide 149Display Port Authentication Users Using the CLI CommandsThe following table summarizes the CLI commands f

Dell PowerConnect 55xx Systems User Guide 15• Security Features•DHCP Server•Protected Ports• iSCSI Optimization• Proprietary Protocol FilteringIP Vers

Dell PowerConnect 55xx Systems User Guide 1509Configuring System InformationThis section describes how to set system parameters, such as security feat

Dell PowerConnect 55xx Systems User Guide 151General Switch InformationThis section describes how to view and set general switch parameters.It contain

152 Dell PowerConnect 55xx Systems User Guide2Enter/view the parameters:–System Name (0-159 Characters) — Enter the user-defined device name.–System C

Dell PowerConnect 55xx Systems User Guide 153Entering Asset Information Using the CLI CommandsThe following table summarizes the CLI commands for ente

154 Dell PowerConnect 55xx Systems User GuideSystem Health To view the device’s power information and set fan administration state:1Click System >

Dell PowerConnect 55xx Systems User Guide 155–RPS — The device has one of two auxiliary power supplies: Redundant Power Supply (RPS) for non-PoE devic

156 Dell PowerConnect 55xx Systems User Guide–Fan Admin State — Set one of the options:•Auto — Fans are turned on when the internal temperature of the

Dell PowerConnect 55xx Systems User Guide 157The following is an example of the CLI commands:Power over EthernetA Power over Ethernet (PoE) switch is

158 Dell PowerConnect 55xx Systems User Guide• Wireless access points •IP gateways • Audio and video remote monitoring devices PDs are connected to th

Dell PowerConnect 55xx Systems User Guide 159•Faulty — The power supply unit is functioning, but an error has occurred, for example, a power overload

16 Dell PowerConnect 55xx Systems User Guide•IP Gateways•PDAs• Audio and video remote monitoringFor more information, see "Power over Ethernet&qu

160 Dell PowerConnect 55xx Systems User Guide–Power Limit (0-15.4) — Enter the maximum amount of power that the PoE unit may deliver to this port.–Pow

Dell PowerConnect 55xx Systems User Guide 161The following is an example of the CLI commands: power inline priority {critical|high|low}no power inline

162 Dell PowerConnect 55xx Systems User GuideTime SynchronizationThe system clock runs from the moment the system starts up, and keeps track of the da

Dell PowerConnect 55xx Systems User Guide 163Setting System Time and Daylight Savings TimeUse the Manual Time Settings page to set system date/time ma

164 Dell PowerConnect 55xx Systems User Guide•Estonia — Last weekend of March until the last weekend of October.•Finland — Last weekend of March until

Dell PowerConnect 55xx Systems User Guide 165•Romania — Last weekend of March until the last weekend of October. •Russia — From the 29th March until t

166 Dell PowerConnect 55xx Systems User GuideTo manually set the device time:1Click System > Time Synchronization > Manual Time Settings in the

Dell PowerConnect 55xx Systems User Guide 167–European — The device switches to DST at 1:00 am on the last Sunday in March, and reverts to standard ti

168 Dell PowerConnect 55xx Systems User Guide•Time — The time at which DST begins every year. –To — The recurring time that DST ends each year, for ex

Dell PowerConnect 55xx Systems User Guide 169clock summer-time zone date date month year hh:mm date month year hh:mm [offset]clock summer-time zone da

Dell PowerConnect 55xx Systems User Guide 17Virtual Cable Testing (VCT)VCT detects and reports copper link cabling faults, such as open cables and cab

170 Dell PowerConnect 55xx Systems User GuideA sample script to set system time manually is shown belowSystem Time from an SNTP ServerThis section des

Dell PowerConnect 55xx Systems User Guide 171SNTP OverviewThe switch supports the Simple Network Time Protocol (SNTP), which provides accurate network

172 Dell PowerConnect 55xx Systems User Guidedevice time and date are synchronized when it proactively requests synchronization information. Anycast p

Dell PowerConnect 55xx Systems User Guide 173Algorithm for Selecting Designated SNTP ServerMessages received from SNTP servers are logged, until there

174 Dell PowerConnect 55xx Systems User GuideMD5 (Message Digest 5) Authentication safeguards device synchronization paths to SNTP servers. MD5 is an

Dell PowerConnect 55xx Systems User Guide 1752Select the Clock Source. The possible options are:–Local —System time is taken from the device’s interna

176 Dell PowerConnect 55xx Systems User GuideTo define the types of server from which the device accepts SNTP information and the polling interval:1Cl

Dell PowerConnect 55xx Systems User Guide 177Defining SNTP Global Settings Using CLI CommandsThe following table summarizes the CLI commands for setti

178 Dell PowerConnect 55xx Systems User GuideTo configure SNTP authentication:1Click System > Time Synchronization > SNTP Authentication in the

Dell PowerConnect 55xx Systems User Guide 179–Trusted Key — Check to specify that the encryption key is used to authenticate the (Unicast) SNTP server

18 Dell PowerConnect 55xx Systems User GuideStatic MAC EntriesMAC entries can be manually entered in the Bridging Table, as an alternative to learning

180 Dell PowerConnect 55xx Systems User GuideSNTP ServersTo add an SNTP server or display SNTP server information:1Click System > Time Synchronizat

Dell PowerConnect 55xx Systems User Guide 181–Preference — SNTP server providing SNTP system time information. The system displays on of the following

182 Dell PowerConnect 55xx Systems User Guide–Link Local Interface — When the server supports an IPv6 Link Local address, this specifies the Link Loca

Dell PowerConnect 55xx Systems User Guide 183The following is an example of the CLI commands: SNTP InterfacesIf receiving time information from Anycas

184 Dell PowerConnect 55xx Systems User GuideTo enable receiving Anycast updates on an interface:1Click System > Time Synchronization > SNTP Int

Dell PowerConnect 55xx Systems User Guide 185Defining SNTP Interface Settings Using CLI CommandsThe following table summarizes the CLI commands for se

186 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: CLI Script for Receiving Time from an SNTP ServerThe fol

Dell PowerConnect 55xx Systems User Guide 187console(config)#sntp client poll timer 6 Set polling time to 6 seconds.console(config)#sntp unicast clien

188 Dell PowerConnect 55xx Systems User GuideLogsThe Logs feature enables the switch to keep several, independent logs. Each log is a set of entries t

Dell PowerConnect 55xx Systems User Guide 189Logs stored on the Logging buffer are deleted when the device is reset.•Logging file (flash) — Messages a

Dell PowerConnect 55xx Systems User Guide 19Layer 2 Features IGMP SnoopingInternet Group Membership Protocol (IGMP) Snooping examines IGMP frame conte

190 Dell PowerConnect 55xx Systems User GuideIf you enable logging, some events are automatically logged, and in addition, you can enable/disable spec

Dell PowerConnect 55xx Systems User Guide 191–Log Copy Files Events — Enable/disable generating logs when files are copied. –Log Management Access Eve

192 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: management logging {deny}no management logging {deny}Ena

Dell PowerConnect 55xx Systems User Guide 193RAM Log To manage the RAM log buffer: 1Click System > Logs > RAM Log in the tree view to display th

194 Dell PowerConnect 55xx Systems User Guide–Log Time — The time at which the log was entered into the RAM Log table.–Severity — The log severity.–De

Dell PowerConnect 55xx Systems User Guide 195Log File (in Flash)To view and/or clear the flash memory log file:1Click System > Logs > Log File i

196 Dell PowerConnect 55xx Systems User GuideDisplaying the Log File Table Using the CLI CommandsThe following table summarizes the CLI commands for s

Dell PowerConnect 55xx Systems User Guide 197To enable user history logging and view user login history:1Click System > Logs > Login History in

198 Dell PowerConnect 55xx Systems User GuideDisplaying the Device Login History Using CLI CommandsThe following table summarizes the CLI commands for

Dell PowerConnect 55xx Systems User Guide 199Remote Log ServerLog messages can be sent to remote log servers, using the SYSLOG protocol.To add a remot

Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your system. CAUTION: A CAUTION indicate

20 Dell PowerConnect 55xx Systems User GuideVLAN Supported FeaturesVLAN SupportVLANs are collections of switching ports that comprise a single Broadca

200 Dell PowerConnect 55xx Systems User Guide•Global — A globally unique IPv6 address; visible and reachable from different subnets.–Link Local Interf

Dell PowerConnect 55xx Systems User Guide 201Working with Remote Server Logs Using the CLI CommandsThe following table summarizes the CLI command for

202 Dell PowerConnect 55xx Systems User GuideIP AddressingThis section describes how to configure IP addresses on the switch, and contains the followi

Dell PowerConnect 55xx Systems User Guide 203All IPv6 address formats are acceptable, yet for display purposes, the system displays the most abbreviat

204 Dell PowerConnect 55xx Systems User GuideThe IP address is assigned even if the above validation procedure concludes that the IP address in questi

Dell PowerConnect 55xx Systems User Guide 205The previously-assigned IP addresses are displayed. 2To add an IP address to an interface, click Add, and

206 Dell PowerConnect 55xx Systems User GuideThe following are sample procedures to configure a static IPv4 address on an interface using CLI and then

Dell PowerConnect 55xx Systems User Guide 207DHCP IPv4 Interface The switch can operate in the following ways:• It can function as a DHCP client that

208 Dell PowerConnect 55xx Systems User GuideTo define the switch as a DHCP client: 1Click System > IP Addressing > DHCP IPv4 Interface in the t

Dell PowerConnect 55xx Systems User Guide 209The previously-configured DHCP IPv4 interfaces are displayed.2To add an interface that can receive an IP

Dell PowerConnect 55xx Systems User Guide 21forwarded. Non-VoIP traffic is dropped from the Voice VLAN in Auto-Voice VLAN Secure mode. Voice VLAN also

210 Dell PowerConnect 55xx Systems User GuideConfiguring DHCP IPv4 Interfaces Using CLIThe following is a sample CLI script to configure a dynamic IPv

Dell PowerConnect 55xx Systems User Guide 211When routing traffic, the next hop is determined according to the longest prefix match (LPM algorithm). A

212 Dell PowerConnect 55xx Systems User Guide–Next Hop — Enter the IP address to which the packet is forwarded on the route to the destination address

Dell PowerConnect 55xx Systems User Guide 213Configuring Two IP Networks on Two Different VLANS Using CLIThe following shows how to configure two IP n

214 Dell PowerConnect 55xx Systems User GuideFigure 9-18. IP Routing SetupIPv6 InterfacesThe system supports IPv6-addressable hosts. To define IPv6 in

Dell PowerConnect 55xx Systems User Guide 2152Select an interface. The IPv6 addresses defined on the interface are displayed. In addition to the field

216 Dell PowerConnect 55xx Systems User Guide–Send ICMP Unreachable — Enable/disable transmission of ICMPv6 address Unreachable messages. When enabled

Dell PowerConnect 55xx Systems User Guide 217Defining IPv6 Interfaces Using CLI CommandsThe following table summarizes the CLI commands for setting fi

218 Dell PowerConnect 55xx Systems User Guideipv6 address ipv6-address/prefix-length link-localno ipv6 address link-localConfigures an IPv6 link-local

Dell PowerConnect 55xx Systems User Guide 219The following is a sample script to configure IPv6 using CLI:IPv6 Default GatewayUse the IPv6 Default Gat

22 Dell PowerConnect 55xx Systems User GuideFast Link STP can take 30–60 seconds to converge. During this time, STP detects possible loops, enabling t

220 Dell PowerConnect 55xx Systems User GuideTo configure a router:1Click System > IP Addressing > IPv6 Default Gateway in the tree view to disp

Dell PowerConnect 55xx Systems User Guide 221–State — The router’s status. The possible options are:•Incomplete — Address resolution is in progress an

222 Dell PowerConnect 55xx Systems User GuideThe following are examples of these CLI command: ISATAP Tunnel To deliver IPv6 addresses in an IPv4 netwo

Dell PowerConnect 55xx Systems User Guide 223After the last IPv4 address is removed from the interface, the ISATAP IP interface state becomes inactive

224 Dell PowerConnect 55xx Systems User GuideTo define an IPv6 ISATAP tunnel:1Click System > IP Addressing > IPv6 ISATAP Tunnel in the tree view

Dell PowerConnect 55xx Systems User Guide 225–Tunnel Router's Domain Name — Enter a specific automatic tunnel router domain name. –Domain Name Qu

226 Dell PowerConnect 55xx Systems User GuideThe following is an example of a CLI script to create a tunnel:tunnel isatap query-interval secondsno tun

Dell PowerConnect 55xx Systems User Guide 227console (config)# ip domain lookup Enable DNS lookupconsole(config)# ip name-server 176.16.1.18 Define D

228 Dell PowerConnect 55xx Systems User GuideIPv6 Neighbors The Neighbors feature is similar in functionality to the IPv4 Address Resolution Protocol

Dell PowerConnect 55xx Systems User Guide 229The previously-defined neighbors are displayed along with their states. The possible states are:–Incomple

Dell PowerConnect 55xx Systems User Guide 23Link AggregationUp to 32 Aggregated Links may be defined, each with up to eight member ports, to form a si

230 Dell PowerConnect 55xx Systems User Guide4To modify or remove an IPv6 neighbor, click Edit, and enter the fields described on the Add page.5If an

Dell PowerConnect 55xx Systems User Guide 231The following is an example of the CLI commands: console# configconsole(config)# ipv6 neighbor 3000::a31b

232 Dell PowerConnect 55xx Systems User GuideIPv6 Routes TableThe IPv6 Routes Table describes how to reach IPv6 destinations. The routing table is use

Dell PowerConnect 55xx Systems User Guide 233–Prefix Length — The length of the IPv6 prefix. This field is applicable only when the destination addres

234 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: console> show ipv6 route Codes: L - Local, S - Static

Dell PowerConnect 55xx Systems User Guide 235Domain Name SystemThe Domain Name System (DNS) converts user-defined domain names into IP addresses. Each

236 Dell PowerConnect 55xx Systems User Guide4To add a DNS server, click Add, and enter the fields:–Supported IP Format — Select whether the IPv4 or I

Dell PowerConnect 55xx Systems User Guide 237The following is an example of the CLI commands:clear host Deletes entries from the host name-to-address

238 Dell PowerConnect 55xx Systems User GuideDefault Domain NamesA default domain name is used when an IP address cannot be mapped to a known domain n

Dell PowerConnect 55xx Systems User Guide 239Defining Default Domain Names Using the CLI CommandsThe following table summarizes the CLI commands for c

24 Dell PowerConnect 55xx Systems User Guideare established or enforced. 802.1p is a spin-off of the 802.1Q (VLANs) standard. 802.1p establishes eight

240 Dell PowerConnect 55xx Systems User GuideHost Name MappingHost names can be dynamically mapped to IP addresses through the Domain Name System page

Dell PowerConnect 55xx Systems User Guide 241–IPv6 Address Type — When the server supports IPv6, this specifies the type of static address supported.

242 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:ARPThe Address Resolution Protocol (ARP) converts IP addr

Dell PowerConnect 55xx Systems User Guide 243The entries in the table are displayed.2Enter the parameters:•ARP Entry Age Out (1 - 40000000) — Enter th

244 Dell PowerConnect 55xx Systems User GuideConfiguring ARP Using the CLI CommandsThe following table summarizes the CLI commands for setting fields

Dell PowerConnect 55xx Systems User Guide 245UDP RelaySwitches do not typically route IP Broadcast packets between IP subnets. However, if configured,

246 Dell PowerConnect 55xx Systems User GuideThe UDP relays are displayed.2To add a UDP relay, click Add, and enter the fields:–Source IP Address — Se

Dell PowerConnect 55xx Systems User Guide 247The following is an example of the CLI commands:console (config)# ip helper-address all 172.16.9.9 49 53c

248 Dell PowerConnect 55xx Systems User GuideDiagnosticsThis section describes how to perform cable tests on copper and fiber optic cables.It contains

Dell PowerConnect 55xx Systems User Guide 249Integrated Cable TestTime Domain Reflectometry (TDR) technology is used to test the quality and character

Dell PowerConnect 55xx Systems User Guide 25SNMP Versions 1, 2, and 3Simple Network Management Protocol (SNMP) over the UDP/IP protocol controls acces

250 Dell PowerConnect 55xx Systems User Guide4Ensure that the cable is connected to tested port. Go to the Test tab. 5Click Test Now. The copper cable

Dell PowerConnect 55xx Systems User Guide 251The following is an example of the CLI commands:Optical Transceiver DiagnosticsThe Optical Transceiver Di

252 Dell PowerConnect 55xx Systems User GuideTo view the results of optical fiber tests:•Click System > Diagnostics > Optical Transceiver Diagno

Dell PowerConnect 55xx Systems User Guide 253Performing Fiber Optic Cable Tests Using CLI CommandsThe following table contains the CLI command for per

254 Dell PowerConnect 55xx Systems User GuideManagement SecurityThis section describes the pages used to manage device security.It contains the follow

Dell PowerConnect 55xx Systems User Guide 255This means, for example, that the set of managers allowed via Telnet may be different than the set of Web

256 Dell PowerConnect 55xx Systems User GuideCreating an Access ProfileTo define an access profile with a single rule:1Click System > Management Se

Dell PowerConnect 55xx Systems User Guide 257–Rule Priority (1-65535) — Enter the rule priority. Rules are applied to packets according to their prior

258 Dell PowerConnect 55xx Systems User GuideDefining Access Profiles Using CLI CommandsThe following table contains the CLI command for defining an a

Dell PowerConnect 55xx Systems User Guide 259Profile RulesIf an access profile already exists, meaning that a single rule has been defined on it, use

26 Dell PowerConnect 55xx Systems User GuideAuto-Update of Configuration/Image File This feature facilitates installation of new devices. When you ena

260 Dell PowerConnect 55xx Systems User GuideDefining Access Profile Rules Using CLI CommandsThe following table summarizes the CLI commands for addin

Dell PowerConnect 55xx Systems User Guide 261The following is an example of the CLI commands:show management access-list [name]Displays the active man

262 Dell PowerConnect 55xx Systems User GuideAuthentication ProfilesIn addition to access profiles, you can configure authentication for management ac

Dell PowerConnect 55xx Systems User Guide 263To create an authentication profile:1Click System > Management Security > Authentication Profiles i

264 Dell PowerConnect 55xx Systems User Guide•Enable — The enable (encrypted) password is used for authentication (defined in "Enable Password&qu

Dell PowerConnect 55xx Systems User Guide 265Select Authentication After Authentication Profiles are defined, the Authentication Profiles can be assig

266 Dell PowerConnect 55xx Systems User Guide3For Secure HTTP and HTTP types of users, select one or all of the Optional Methods and click the right-a

Dell PowerConnect 55xx Systems User Guide 267The following is an example of the CLI commands that sets authentication for the console using the defaul

268 Dell PowerConnect 55xx Systems User GuideActive Users To view active users on the device:•Click System > Management Security > Active Users

Dell PowerConnect 55xx Systems User Guide 269Displaying Active Users Using CLI CommandsThe following table summarizes the CLI commands for viewing act

Dell PowerConnect 55xx Systems User Guide 27SNTPThe Simple Network Time Protocol (SNTP) assures accurate network Ethernet Switch clock time synchroniz

270 Dell PowerConnect 55xx Systems User GuideLocal User DatabaseUse the Local User Database pages to define users, passwords and access levels. To add

Dell PowerConnect 55xx Systems User Guide 271–Access Level — Select a user access level. The lowest user access level is 1 and 15 is the highest user

272 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: Line Passwords To add a line password for Console, Telne

Dell PowerConnect 55xx Systems User Guide 273–Console/Telnet/Secure Telnet Line Aging (1-365) — Check to set the amount of time in days that elapses b

274 Dell PowerConnect 55xx Systems User GuideEnable PasswordTo set a local password to control access to Normal and Privilege levels activities.1Click

Dell PowerConnect 55xx Systems User Guide 275–Expiry Date — If Aging is selected, displays the expiration date of the enable password.–Lockout Status

276 Dell PowerConnect 55xx Systems User GuideThe TACACS+ protocol ensures network integrity through encrypted protocol exchanges between the device an

Dell PowerConnect 55xx Systems User Guide 277–Key String (1-128 Characters) — The authentication and encryption key for TACACS+ communications between

278 Dell PowerConnect 55xx Systems User GuideWherever available, check Use Default to use a value that was entered in the TACACS+: Summary page.Defini

Dell PowerConnect 55xx Systems User Guide 279The following is an example of the CLI commands:Password ManagementPassword management provides increased

28 Dell PowerConnect 55xx Systems User GuideSecurity FeaturesSSLSecure Socket Layer (SSL) is an application-level protocol that enables secure transac

280 Dell PowerConnect 55xx Systems User GuidePassword aging starts immediately after password management is enabled. However it is only effective if s

Dell PowerConnect 55xx Systems User Guide 281To define password management parameters:1Click System > Management Security > Password Management

282 Dell PowerConnect 55xx Systems User Guide–Password Minimum Length (8-64 characters) — When checked, specifies the minimum password length. Enter t

Dell PowerConnect 55xx Systems User Guide 283The following is a sample script that sets password strength rules and creates a user with a valid passwo

284 Dell PowerConnect 55xx Systems User GuideRADIUS Remote Authentication Dial-In User Service (RADIUS) servers provide additional security for networ

Dell PowerConnect 55xx Systems User Guide 285To add a RADIUS server:1Click System > Management Security > RADIUS in the tree view to display the

286 Dell PowerConnect 55xx Systems User Guide–Source IPv6 Address — The source IP v6 address that is used for communication with RADIUS servers.3To ad

Dell PowerConnect 55xx Systems User Guide 287–Source IP Address — The device IP address that is used for communication with RADIUS servers.Defining RA

288 Dell PowerConnect 55xx Systems User Guideradius-server source-ipv6 source-ipv6-addressno radius-server source-ipv6 source-ipv6-addressSpecifies th

Dell PowerConnect 55xx Systems User Guide 289The following is an example of CLI commands: console(config)# radius-server host 192.168.10.1 auth-port 2

Dell PowerConnect 55xx Systems User Guide 29Due to the complexity of 802.1x setup and configuration, many mistakes can be made that might cause loss o

290 Dell PowerConnect 55xx Systems User GuideDHCP Server The switch can operate as either:• DHCP client that obtains its own IP from a DHCP server, as

Dell PowerConnect 55xx Systems User Guide 291DHCP Server PropertiesIf the device is configured to act as a DHCP server, pinging capability can be enab

292 Dell PowerConnect 55xx Systems User Guide2Enter the fields:–DHCP Server Status — Enable/disable the ability of the device to function as a DHCP se

Dell PowerConnect 55xx Systems User Guide 293The following is an example of the CLI commands: ip dhcp ping timeout millisecondsno ip dhcp ping timeout

294 Dell PowerConnect 55xx Systems User GuideNetwork PoolWhen the device is serving as a DHCP server, a pool of IP addresses must be defined, from whi

Dell PowerConnect 55xx Systems User Guide 295•Network Mask — Check and enter the pool’s network mask.•Prefix Length — Check and enter the number of bi

296 Dell PowerConnect 55xx Systems User Guide•Peer-to-Peer — Point-to-point communications with a NetBIOS name server are used to register and resolve

Dell PowerConnect 55xx Systems User Guide 297address {network-number|low low-address high high-address} {mask|prefix-length}no addressConfigures the s

298 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: time-server ip-address [ip-address2 ... ip-address8]no t

Dell PowerConnect 55xx Systems User Guide 299Excluded AddressesBy default, the DHCP server assumes that all pool addresses in a pool may be assigned t

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fmContents3Table of Contents1 Preface . .

30 Dell PowerConnect 55xx Systems User GuideAccess Control Lists (ACL)Access Control Lists (ACL) enable network managers to define classification acti

300 Dell PowerConnect 55xx Systems User Guide–End IP Address — Last IP address in the range of excluded IP addresses.Excluding Addresses Using CLI Com

Dell PowerConnect 55xx Systems User Guide 301Static HostsTo manually allocate permanent IP addresses to clients (known as static hosts):1Click System

302 Dell PowerConnect 55xx Systems User Guide–Client Identifier — Enter a unique identification of the client specified in dotted hexadecimal notation

Dell PowerConnect 55xx Systems User Guide 303–Next Server — Enter the IP address of the next server in the boot process of a DHCP client. If the next

304 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: console(config)# ip dhcp pool host stationconsole(config

Dell PowerConnect 55xx Systems User Guide 305Address BindingUse the Address Binding page to view and remove the IP addresses allocated by the switch a

306 Dell PowerConnect 55xx Systems User Guide•Permanent — The IP address, obtained dynamically from the switch, is owned by the client permanently (un

Dell PowerConnect 55xx Systems User Guide 307 SNMPThis section describes the Simple Network Management Protocol (SNMP) for managing network devices. I

308 Dell PowerConnect 55xx Systems User Guide•Privacy — Protects against disclosure of message content. Cipher Block-Chaining (CBC) is used for encryp

Dell PowerConnect 55xx Systems User Guide 309–Privacy — SNMP frames can carry encrypted data. These mechanisms can be combined to provide three levels

Dell PowerConnect 55xx Systems User Guide 31DHCP Server Dynamic Host Configuration Protocol (DHCP) provides a means of passing configuration informati

310 Dell PowerConnect 55xx Systems User GuideThe local information is stored in four read-only MIB variables: snmpEngineId, snmpEngineBoots, snmpEngin

Dell PowerConnect 55xx Systems User Guide 311–Use Default — Check to use the device-generated Engine ID. The default Engine ID is based on the device

312 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:SNMP ViewsAn SNMP view, which is a collection of MIB subt

Dell PowerConnect 55xx Systems User Guide 313Views can be attached to groups in the Access Control pages.To create an SNMP view:1Click System > SNM

314 Dell PowerConnect 55xx Systems User Guide•Selected from List — Select the device feature OID by using the Up and Down buttons to scroll through a

Dell PowerConnect 55xx Systems User Guide 315SNMP Access Control (Groups)For ease of use, users may be assigned to groups. In this way, it is possible

316 Dell PowerConnect 55xx Systems User Guide–Security Model — Select the SNMP version of the group. –Security Level — Select the security level attac

Dell PowerConnect 55xx Systems User Guide 317The following is an example of the CLI commands:SNMP User Security Model (Users)An SNMP user is defined b

318 Dell PowerConnect 55xx Systems User GuideTo create an SNMP V3 user, and assign it to a group and view:1Click System > SNMP > User Security M

Dell PowerConnect 55xx Systems User Guide 319–Authentication Method — Select an authentication method used to authenticate users. The possible options

32 Dell PowerConnect 55xx Systems User GuideThe relay agent information option (Option 82) in the DHCP protocol enables a DHCP relay agent to send add

320 Dell PowerConnect 55xx Systems User GuideDefining SNMPv3 Users Using CLI CommandsThe following table summarizes the CLI commands for defining fiel

Dell PowerConnect 55xx Systems User Guide 321To define an SNMP community:1Click System > SNMP > Communities in the tree view to display the Comm

322 Dell PowerConnect 55xx Systems User Guide•Global — A globally unique IPv6 address; visible and reachable from different subnets.–Link Local Interf

Dell PowerConnect 55xx Systems User Guide 323–Group Name — Select the group to be associated with the community.Configuring Communities Using CLI Comm

324 Dell PowerConnect 55xx Systems User Guide• Selection of trap generation parameters• Access control checksAfter creating a notification filter, att

Dell PowerConnect 55xx Systems User Guide 3254To add a new notification filter, click Add.5In addition to the fields described in the Summary page, en

326 Dell PowerConnect 55xx Systems User GuideThe following is an example of CLI commands: SNMP Notification RecipientsAn SNMP notification is a trap m

Dell PowerConnect 55xx Systems User Guide 327To add notification recipients, and attach them to notification filters:1Click System > SNMP > Noti

328 Dell PowerConnect 55xx Systems User Guide–Link Local Interface — When the server supports an IPv6 Link Local address, this specifies the Link Loca

Dell PowerConnect 55xx Systems User Guide 329Configuring SNMP Notification Recipients Using CLI CommandsThe following table summarizes the CLI command

Dell PowerConnect 55xx Systems User Guide 333Hardware DescriptionThis section describes PowerConnect 5500 hardware.It contains the following topics:•

330 Dell PowerConnect 55xx Systems User GuideFile ManagementThis section describes how to manage device firmware (image files) and configuration files

Dell PowerConnect 55xx Systems User Guide 331device. This can be done manually in the Copy Files page or see "Auto-Update/Configuration Feature&q

332 Dell PowerConnect 55xx Systems User GuideThe required configuration files/images are stored on a USB key or TFTP server, and these are downloaded

Dell PowerConnect 55xx Systems User Guide 333Setup File FormatA line in a setup file contains all or some of the above fields separated by spaces (in

334 Dell PowerConnect 55xx Systems User Guide• Format B—Contains the following 4 fields:<MAC_address> <Configuration-File-Name> <Image-

Dell PowerConnect 55xx Systems User Guide 335Triggering the Auto-Update/Configuration ProcessWhen the Auto-Update/Configuration feature is enabled (in

336 Dell PowerConnect 55xx Systems User Guide• If the auto process involved setting the IP address of the device from the setup file, the auto process

Dell PowerConnect 55xx Systems User Guide 337• If a new image file was loaded, the device is rebooted.• The USB drive is searched for a configuration

338 Dell PowerConnect 55xx Systems User Guide• The configuration file specified by the line does not exist on the USB key or is corrupted.• The image

Dell PowerConnect 55xx Systems User Guide 339•Device - On the device, one of the following cases may exist:–If Configuration Auto-Config is selected,

34 Dell PowerConnect 55xx Systems User GuideDevice ModelsThe PowerConnect 5500 switches combine versatility with minimal management requirements. This

340 Dell PowerConnect 55xx Systems User GuidePreparations for Firmware Image Download from TFTPThe image file download consists of the following steps

Dell PowerConnect 55xx Systems User Guide 341Auto Update Configuration through the GUITo set the auto update and configuration parameters:. NOTE: For

342 Dell PowerConnect 55xx Systems User GuideThe auto-update-configuration options are displayed.2Modify the auto-update configuration parameters as r

Dell PowerConnect 55xx Systems User Guide 343The following is an example of the CLI command to view the Auto-Update status: boot host dhcpno boot host

344 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI command to configure auto-update on the switch: File DownloadSoftw

Dell PowerConnect 55xx Systems User Guide 345To download from a USB port or when management computer uses HTTP1Click System > File Management >

346 Dell PowerConnect 55xx Systems User Guide3Select a Firmware/Configuration option. The possible options are:–Firmware Download — A firmware file is

Dell PowerConnect 55xx Systems User Guide 347To download files using TFTP1Click System > File Management > File Download in the tree view to dis

348 Dell PowerConnect 55xx Systems User Guide–Link Local Interface — When the server supports an IPv6 Link Local address, this specifies the Link Loca

Dell PowerConnect 55xx Systems User Guide 349–Destination File Name — The destination file to which the configuration file is downloaded. The possible

Dell PowerConnect 55xx Systems User Guide 35Front PanelFigure 5-1 shows the front panel of the PowerConnect 5548 device with its various ports labelle

350 Dell PowerConnect 55xx Systems User GuideThe following methods can be used: • To upload from a USB port or when management computer uses HTTP• To

Dell PowerConnect 55xx Systems User Guide 351To upload a file or image using TFTP1Click System > File Management > File Upload in the tree view

352 Dell PowerConnect 55xx Systems User Guide–Link Local Interface — When the server supports an IPv6 Link Local address, this specifies the Link Loca

Dell PowerConnect 55xx Systems User Guide 353Uploading Files Using CLI CommandsThe following table summarizes the CLI commands for setting fields disp

354 Dell PowerConnect 55xx Systems User GuideActive Images There are two firmware images, Image1 and Image2, stored on the switch. One of these images

Dell PowerConnect 55xx Systems User Guide 355–Active Image — The name of the image file that is currently active on the unit in the stack.–After Reset

356 Dell PowerConnect 55xx Systems User Guide• Copy a configuration file to the Running Configuration file. It is important to be aware that copying a

Dell PowerConnect 55xx Systems User Guide 357–Destination Unit — Check to copy the firmware to either the Backup Master unit or all units in the stack

358 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: console# delete startup-configDelete startup-config [y/n

Dell PowerConnect 55xx Systems User Guide 359File SystemUse the File System page to view information about files currently stored on the system, inclu

36 Dell PowerConnect 55xx Systems User Guide NOTE: it is recommended to use HDMI cable version 1.4 •Single USB PortThis port is used for firmware upg

360 Dell PowerConnect 55xx Systems User GuideThe following information is displayed for all files in the system:–File Name — The name of the file curr

Dell PowerConnect 55xx Systems User Guide 361Stack ManagementThis section describes how to manage the stack. It consists of the following topics:• Sta

362 Dell PowerConnect 55xx Systems User GuideTo switch from the Backup Master unit to the Master Unit or set unit IDs:1Click System > Stack Managem

Dell PowerConnect 55xx Systems User Guide 363Managing Stacks Using the CLI CommandsThe following table summarizes the CLI commands for setting fields

364 Dell PowerConnect 55xx Systems User GuideVersionsTo view the hardware and software versions currently running on the switch: •Click System > St

Dell PowerConnect 55xx Systems User Guide 365Displaying Device Versions Using the CLIThe following table summarizes the CLI commands for viewing field

366 Dell PowerConnect 55xx Systems User Guide2Click System > Stack Management > Reset in the tree view to display the Reset page.Figure 9-64. Re

Dell PowerConnect 55xx Systems User Guide 367The following is an example of the CLI command: Unit Identification (Location)The Location LED on a unit

368 Dell PowerConnect 55xx Systems User Guide2Enter the fields:–Identify Unit ID —Select a unit. This unit’s Location and Power LED start blinking. Se

Dell PowerConnect 55xx Systems User Guide 369sFlow This section describes sFlow monitoring of traffic.It contains the following sections:• sFlow Overv

Dell PowerConnect 55xx Systems User Guide 37The Reset button does not extend beyond the unit’s front, and it must be activated with a pin.Back PanelTh

370 Dell PowerConnect 55xx Systems User GuideWorkflowBy default, flow and counter sampling are disabled.To enable sFlow sampling:1Set the IP address o

Dell PowerConnect 55xx Systems User Guide 371sFlow Receiver SettingsTo set the sFlow receiver parameters:1Click System > sFlow > sFlow Receivers

372 Dell PowerConnect 55xx Systems User Guide–IPv6 Address Type — When the server supports IPv6, this specifies the type of static address supported.

Dell PowerConnect 55xx Systems User Guide 373The following is an example of the CLI commands:console(config)# sflow receiver 2 1.1.1.1 port 6343consol

374 Dell PowerConnect 55xx Systems User GuidesFlow Interface SettingsTo sample datagrams or counters from a port, the port must be associated with a r

Dell PowerConnect 55xx Systems User Guide 375–Flow Sampling Average Sampling Rate(1024–1073741823) — If x is entered, a flow sample will be taken for

376 Dell PowerConnect 55xx Systems User GuidesFlow StatisticsTo view sFlow statistics:1Click System > sFlow > sFlow Statistics in the tree view

Dell PowerConnect 55xx Systems User Guide 377Viewing sFlow Statistics Using the CLIThe following table summarizes the CLI commands for viewing sFlow s

378 Dell PowerConnect 55xx Systems User Guide10PortsThis section describes how to configure port functionality.It contains the following topics:•Overv

Dell PowerConnect 55xx Systems User Guide 379OverviewThis section includes a description of port features and describes the following:• Auto-Negotiati

38 Dell PowerConnect 55xx Systems User Guide•A/C Power Supply — Connector for AC power supply. See "Power Supplies" on page 42 for more info

380 Dell PowerConnect 55xx Systems User Guideirrelevant. The standard wiring for end stations is known as MDI (Media Dependent Interface), and the sta

Dell PowerConnect 55xx Systems User Guide 381Port tagging No taggingFlow Control On Back Pressure OffTable 10-1. Port Default Settings (Continued)Func

382 Dell PowerConnect 55xx Systems User GuideJumbo FramesJumbo frames are frames of up to 10 Kb in size. If Jumbo frames are not enabled, the system s

Dell PowerConnect 55xx Systems User Guide 383Configuring Jumbo Frames Using CLI CommandsThe following table summarizes the CLI commands for configurin

384 Dell PowerConnect 55xx Systems User GuideGreen Ethernet ConfigurationGreen Ethernet is a name of a set of features that are designed to reduce the

Dell PowerConnect 55xx Systems User Guide 385The above two energy saving modes must be enabled globally and then configured per port.Green Ethernet Co

386 Dell PowerConnect 55xx Systems User Guide•Current Power Consumption — Displays the current power consumption.•Power Savings — Displays the percent

Dell PowerConnect 55xx Systems User Guide 387–Remote Rx Timer (μsec) — Indicates the local link partner’s reflection of the remote link partner’s Rx v

388 Dell PowerConnect 55xx Systems User GuideProtected PortsProtected Port OverviewProtected ports provide Layer 2 isolation between interfaces (Ether

Dell PowerConnect 55xx Systems User Guide 389Protected Port ConfigurationTo configure protected ports and establish their communities:1Click Switching

Dell PowerConnect 55xx Systems User Guide 39Stacking No. Indicates the unit ID of the device in the stack.Modular/Redundancy Power Supply (MPS/RPS)Gr

390 Dell PowerConnect 55xx Systems User GuideConfiguring Protected Ports Using CLI CommandsThe following table summarizes the CLI commands for configu

Dell PowerConnect 55xx Systems User Guide 391Port ProfilePort profiles provide a convenient way to save and share a port configuration. When a port pr

392 Dell PowerConnect 55xx Systems User GuideTo assign a profile to a port:1Click Switching > Ports > Port Profile in the tree view to display t

Dell PowerConnect 55xx Systems User Guide 393–Native VLAN ID(1-4094) — Enter the VLAN ID used for untagged traffic to trunk ports, or check None.The r

394 Dell PowerConnect 55xx Systems User GuideWhen each of the chosen network layer protocols has been configured, packets from each network layer prot

Dell PowerConnect 55xx Systems User Guide 395The following is an example of the CLI commands: Sample CLI ScriptsThis section provides sample scripts o

396 Dell PowerConnect 55xx Systems User GuideThe following is a script that creates an interface macro.vlan databasevlan 40-50@Enter the commands in t

Dell PowerConnect 55xx Systems User Guide 397Port ConfigurationIf port configuration is modified while the port is a LAG member, the configuration cha

398 Dell PowerConnect 55xx Systems User Guide•Down — Traffic is disabled through the port.–Current Port Status — Displays whether the port is currentl

Dell PowerConnect 55xx Systems User Guide 399–Admin Advertisement — Check the auto-negotiation setting the port advertises. The possible options are:

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm4 ContentsSpanning Tree Protocol Features

40 Dell PowerConnect 55xx Systems User GuidePort LEDsGigabit PortsEach Giga port has two LEDs associated with it. The speed/link (LNK) LED is located

400 Dell PowerConnect 55xx Systems User Guide–MDI/MDIX — Select one of the options that enables the device to decipher between crossed and uncrossed c

Dell PowerConnect 55xx Systems User Guide 401set interface active {[gigabitethernet|tengigabitethernet] interface|port-channel LAG-number}Reactivates

402 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: show interfaces advertise Displays the interface’s negot

Dell PowerConnect 55xx Systems User Guide 403LAG ConfigurationUse the LAG Configuration pages to configure LAGs. The device supports up to 32 LAGs per

404 Dell PowerConnect 55xx Systems User Guide•Static — The ports comprise a single logical port for high-speed connections between networking devices.

Dell PowerConnect 55xx Systems User Guide 405•1000 Full — The LAG advertises for a 1000 mbps speed LAG and full duplex mode setting.–Current Advertise

406 Dell PowerConnect 55xx Systems User Guideshutdownno shutdownDisables the LAG.Use the no form of this command to restart the LAG.speed {10|100|1000

Dell PowerConnect 55xx Systems User Guide 407The following is an example of the CLI commands: console(config)# interface port-channel 1console(config-

408 Dell PowerConnect 55xx Systems User GuideStorm ControlWhen Broadcast, Multicast, or Unknown Unicast frames are received, they are duplicated, and

Dell PowerConnect 55xx Systems User Guide 409Storm control parameters are displayed for all ports on the selected unit.2To configure Storm Control on

Dell PowerConnect 55xx Systems User Guide 41Table 5-3 describes the LED indications for Gigabit ports on PoE-enabled devices.HDMI Port LEDsThe HDMI po

410 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: show ports storm-control port Displays the storm control

Dell PowerConnect 55xx Systems User Guide 411Port Mirroring Switches usually only forward frames to relevant ports. To monitor traffic, either for inf

412 Dell PowerConnect 55xx Systems User Guide• All QoS/CoS rules that apply to the destination port, as an egress, such as traffic shaping, are suspen

Dell PowerConnect 55xx Systems User Guide 413Port MirroringTo specify source and destination ports for port mirroring:1Click Switching > Ports >

414 Dell PowerConnect 55xx Systems User GuideConfiguring Port Mirroring Using CLI CommandsThe following table summarizes the CLI commands for configur

Dell PowerConnect 55xx Systems User Guide 415

416 Dell PowerConnect 55xx Systems User Guide11Address TablesThis section describes how MAC addresses are handled on the device.It contains the follow

Dell PowerConnect 55xx Systems User Guide 417OverviewMAC addresses, associated with ports, are stored in the Static Address or the Dynamic Address tab

418 Dell PowerConnect 55xx Systems User GuideStatic AddressesStatic addresses are manually assigned to a specific interface and VLAN on the switch. If

Dell PowerConnect 55xx Systems User Guide 419•Permanent — The MAC address is never aged out of the table and, if it is saved to the Startup Configurat

42 Dell PowerConnect 55xx Systems User GuideSFP LEDsThe SFP+ ports each have two LEDs, marked as LNK and ACT, associated with them. Figure 5-5 describ

420 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:console(config-if)#bridge address 00:60:70:4C:73:FF perma

Dell PowerConnect 55xx Systems User Guide 421Dynamic AddressesThe Dynamic Address Table contains the MAC addresses acquired by monitoring the source a

422 Dell PowerConnect 55xx Systems User Guide3To clear the table, check Clear Table.4To display a subset of the addresses in a particular order, enter

Dell PowerConnect 55xx Systems User Guide 423The following is an example of the CLI commands:console(config)# mac address-table aging-time 600console#

424 Dell PowerConnect 55xx Systems User Guide12GARPThis section describes how to configure Generic Attribute Registration Protocol (GARP) on the devic

Dell PowerConnect 55xx Systems User Guide 425GARP OverviewGeneric Attribute Registration Protocol (GARP) is a general-purpose protocol that registers

426 Dell PowerConnect 55xx Systems User GuideGARP TimersTo enable a GARP timer on an interface:1Click Switching > GARP > GARP Timers in the tree

Dell PowerConnect 55xx Systems User Guide 427Defining GARP Timers Using CLI CommandsThis table summarizes the CLI commands for defining GARP timers as

428 Dell PowerConnect 55xx Systems User Guide13Spanning TreeThis chapter describes the Spanning Tree Protocol.It contains the following topics:• Spann

Dell PowerConnect 55xx Systems User Guide 429Spanning Tree Protocol OverviewSpanning Tree Protocol (STP) provides tree topography for any bridge arran

Dell PowerConnect 55xx Systems User Guide 434Stacking OverviewThis section describes how the Stacking feature of the PowerConnect 5500 series function

430 Dell PowerConnect 55xx Systems User Guideinstance is associated with the Layer 2 domain on which it performs loop detection and mitigation. This e

Dell PowerConnect 55xx Systems User Guide 431Global SettingsTo enable STP and select the STP mode on the device: 1Click Switching > Spanning Tree &

432 Dell PowerConnect 55xx Systems User Guide–BPDU Handling — Select how Bridge Protocol Data Unit (BPDU) packets are managed when STP is disabled on

Dell PowerConnect 55xx Systems User Guide 433–Forward Delay (4-30) — Check to use device forward delay time, which is the interval of time in seconds

434 Dell PowerConnect 55xx Systems User Guidespanning-tree pathcost method {long|short}no spanning-tree pathcost methodSets the default path cost meth

Dell PowerConnect 55xx Systems User Guide 435The following is an example of the CLI commands: console(config)# spanning-treeconsole(config)# spanning-

436 Dell PowerConnect 55xx Systems User GuideSTP Port SettingsTo assign STP properties to individual ports: 1Click Switching > Spanning Tree > S

Dell PowerConnect 55xx Systems User Guide 437–BPDU Guard — Check to enable BPDU Guard on the port. –Root Guard — Check to prevent devices outside the

438 Dell PowerConnect 55xx Systems User Guide–Speed — Displays the speed at which the port is operating.–Path Cost (1-200000000) — Enter the port cont

Dell PowerConnect 55xx Systems User Guide 439spanning-tree port-priority priorityno spanning-tree port-priorityConfigures port priority. Use the no fo

44 Dell PowerConnect 55xx Systems User GuideStack OverviewThe PowerConnect 5500 Stacking feature provides multiple switch management through a single

440 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: console> enableconsole# configureconsole(config)# int

Dell PowerConnect 55xx Systems User Guide 441STP LAG SettingsTo assign STP parameters to LAGs: 1Click Switching > Spanning Tree > LAG Settings i

442 Dell PowerConnect 55xx Systems User Guide–LAG State — Displays the current STP state of the LAG. If enabled, the LAG state determines what forward

Dell PowerConnect 55xx Systems User Guide 443–Path Cost (1-200000000) — Enter the amount the LAG contributes to the root path cost. The path cost is a

444 Dell PowerConnect 55xx Systems User GuideRapid Spanning Tree While classic spanning tree prevents Layer 2 forwarding loops on a general network to

Dell PowerConnect 55xx Systems User Guide 445–Role — Displays the port role assigned by the STP algorithm in order to provide STP paths. The possible

446 Dell PowerConnect 55xx Systems User Guideconfigured, packets from each network layer protocol can be sent over the link. The link remains configur

Dell PowerConnect 55xx Systems User Guide 447The following is an example of the CLI commands: show spanning-tree [[gigabitethernet|tengigabitethernet]

448 Dell PowerConnect 55xx Systems User GuideMultiple Spanning Tree This section describes Multiple Spanning Tree Protocol (MSTP).It contains the foll

Dell PowerConnect 55xx Systems User Guide 449MSTP OverviewMSTP maps VLANs into STP instances, using various load balancing scenarios. As a result of t

Dell PowerConnect 55xx Systems User Guide 45•Slave Unit — Runs a slave version of the software that enables the applications running on the Master’s C

450 Dell PowerConnect 55xx Systems User Guide2Enter the following fields: –Region Name (1-32 Characters) — Enter the user-defined MSTP region name. –R

Dell PowerConnect 55xx Systems User Guide 451The following is an example of the CLI commands: show {current|pending} Displays the current or pending M

452 Dell PowerConnect 55xx Systems User GuideVLAN to MSTP InstanceTo map VLANs to MSTP instances:1Click Switching > Spanning Tree > VLAN to MSTP

Dell PowerConnect 55xx Systems User Guide 453•Add —Add these VLANS to the MST instance.•Remove —Remove these VLANS from the MST instance.Mapping VLAN

454 Dell PowerConnect 55xx Systems User GuideMSTP Instance SettingsTo configure MSTP instances:1Click Switching > Spanning Tree > MSTP Instance

Dell PowerConnect 55xx Systems User Guide 455–Root Port — Root port of the selected instance.–Root Path Cost — Root path cost of the selected instance

456 Dell PowerConnect 55xx Systems User GuideMSTP Interface SettingsTo assign interfaces to MSTP instances: 1Click Switching > Spanning Tree > M

Dell PowerConnect 55xx Systems User Guide 457Boundary port attaches MST bridges to LAN in an outlying region. If the port is a boundary port, it also

458 Dell PowerConnect 55xx Systems User GuideDefining MSTP Interfaces Using CLI CommandsThe following table summarizes the CLI commands for defining M

Dell PowerConnect 55xx Systems User Guide 45914VLANsThis chapter describes how VLANs are configured on the device.It contains the following topics:• V

46 Dell PowerConnect 55xx Systems User GuideThe results of this process are shown in Figure .Figure 4-1. Stacking Ring TopologyHDMI PortsFront PanelHD

460 Dell PowerConnect 55xx Systems User GuideVirtual LAN OverviewA VLAN is a switched network that is logically segmented on an organizational basis,

Dell PowerConnect 55xx Systems User Guide 461Frame FlowFigure 16-1 describes the flow of VLAN frames from the Ingress port to the Egress port:Figure 1

462 Dell PowerConnect 55xx Systems User GuideQinQ TaggingQinQ tagging enables you to add an additional tag to previously-tagged packets. The added tag

Dell PowerConnect 55xx Systems User Guide 463Ingress filtering is always enabled on Trunk-mode ports. Incoming frames will undergo ingress filtering,

464 Dell PowerConnect 55xx Systems User GuideAcceptable Frame TypeThe acceptable frame type can be set on a port to accept all frames (tagged and unta

Dell PowerConnect 55xx Systems User Guide 465VLAN Membership The device supports up to 2-4094 VLANs. Ports are assigned to a VLAN in the Port Settings

466 Dell PowerConnect 55xx Systems User Guide–T — Tagged. The interface is a member of a VLAN. All packets forwarded by the interface are tagged. The

Dell PowerConnect 55xx Systems User Guide 467The following is an example of the CLI commands:vlan {vlan-range}[name vlan-name]no vlan vlan-rangeCreate

468 Dell PowerConnect 55xx Systems User GuidePort SettingsAfter a VLAN has been defined, assign ports to it. To assign a VLAN to untagged packets, arr

Dell PowerConnect 55xx Systems User Guide 469–Port VLAN Mode — Enter the port VLAN mode. The possible options are:•General — The port belongs to VLANs

Dell PowerConnect 55xx Systems User Guide 47Stack TopologyThe PowerConnect 5500 series systems operates in a ring or chain topology.Ring TopologyIn a

470 Dell PowerConnect 55xx Systems User Guide–Frame Type — Select the packet type accepted on the port. The possible options are:•Admit All — Both tag

Dell PowerConnect 55xx Systems User Guide 471switchport access vlan {vlan-id|none}no switchport access vlanConfigures the VLAN ID when the interface i

472 Dell PowerConnect 55xx Systems User Guideswitchport mode {access|trunk|general|private-vlan {promiscuous|host}|customer}no switchport modeConfigur

Dell PowerConnect 55xx Systems User Guide 473The following is an example of the CLI commands:console(config)# vlan databaseconsole(config-vlan)# vlan

474 Dell PowerConnect 55xx Systems User GuideLAGs SettingsVLANs can either be composed of individual ports or of LAGs. Untagged packets entering the d

Dell PowerConnect 55xx Systems User Guide 475–Port VLAN Mode — Enter the port VLAN mode. The possible options are:•General — The port belongs to VLANs

476 Dell PowerConnect 55xx Systems User Guide–Frame Type — Packet type accepted by the LAG. The possible options are:•Admit All — Tagged and untagged

Dell PowerConnect 55xx Systems User Guide 477Protocol GroupsProtocol groups are based on protocol-based VLANs. Protocol-based VLANsUntagged frames rec

478 Dell PowerConnect 55xx Systems User GuideSimilarly, there may be implied dependencies between encapsulations, so that specifying an encapsulation

Dell PowerConnect 55xx Systems User Guide 479To define a protocol group:1Click Switching > VLAN > Protocol Group in the tree view to display the

48 Dell PowerConnect 55xx Systems User Guide• Loading Software onto Stack Members• Rebooting the Stack• Managing Configuration Files on the StackAddin

480 Dell PowerConnect 55xx Systems User GuideDefining VLAN Protocol Groups Using CLI CommandsThe following table summarizes the CLI commands for defin

Dell PowerConnect 55xx Systems User Guide 481Protocol PortA protocol port is a port assigned to a particular protocol group. Traffic from particular t

482 Dell PowerConnect 55xx Systems User GuideProtocol ports can either be attached to a VLAN ID or a VLAN name. –VLAN ID (1- 4094) —Check and enter a

Dell PowerConnect 55xx Systems User Guide 483GVRP ParametersGARP VLAN Registration Protocol (GVRP) is provided for automatic distribution of VLAN memb

484 Dell PowerConnect 55xx Systems User Guide3Check Unit ID and select a unit ID to view ports on the unit, or select LAGs to view the LAGs in the sys

Dell PowerConnect 55xx Systems User Guide 485show gvrp configuration [[gigabitethernet|tengigabitethernet] port-number|port-channel LAG-number]Display

486 Dell PowerConnect 55xx Systems User Guideconsole(config)# gvrp enableconsole(config)# interface gi1/0/1console(config-if)# gvrp enableconsole(conf

Dell PowerConnect 55xx Systems User Guide 487Private VLANPrivate VLANs (PVLANs) provide Layer 2 isolation between ports that share the same Broadcast

488 Dell PowerConnect 55xx Systems User GuideTo configure PVLANs:1Click Switching > VLAN > Private VLAN in the tree view to display the Private

Dell PowerConnect 55xx Systems User Guide 489–Associate Primary VLAN — If the Private VLAN type is Isolated, check to associate the isolated VLAN with

Dell PowerConnect 55xx Systems User Guide 492Turn on the unit to begin auto boot and press Return or Esc to abort and enter the Start Up menu. 3Select

490 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: switchport private-vlan mapping primary-vlan-id [add|rem

Dell PowerConnect 55xx Systems User Guide 491Voice VLANThe Voice VLAN feature enables you to enhance VoIP service by configuring ports to carry IP-voi

492 Dell PowerConnect 55xx Systems User GuidePropertiesTo set voice VLAN parameters that apply to the voice VLAN on the device:1Click Switching > V

Dell PowerConnect 55xx Systems User Guide 493–Voice VLAN Aging Time — Enter the interval of time after which the port exits the voice VLAN, if no voic

494 Dell PowerConnect 55xx Systems User GuideThe following is an example of some of the CLI commands:console# show voice vlanAging timeout: OUI table1

Dell PowerConnect 55xx Systems User Guide 495Port SettingTo configure voice VLAN ports properties:1Click Switching > VLAN > Voice VLAN > Port

496 Dell PowerConnect 55xx Systems User Guide•None — Disables the selected port/LAG on the Voice VLAN. This is the default.•Static — Statically adds t

Dell PowerConnect 55xx Systems User Guide 497The following is an example of the CLI commands:OUIOrganizationally Unique Identifiers (OUIs) are a 24-bi

498 Dell PowerConnect 55xx Systems User GuideTo view existing OUIs, and add new OUIs:1Click Switching > VLAN > Voice VLAN > OUI in the tree v

Dell PowerConnect 55xx Systems User Guide 499Defining Voice VLAN OUIs Using CLI CommandsThe following table summarizes the CLI command for defining Vo

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fmContents55 Configuring the Switch . . . .

50 Dell PowerConnect 55xx Systems User Guide– When a master-enabled unit is inserted to a running stack, (or when Master and Backup master both start

500 Dell PowerConnect 55xx Systems User Guide15Link AggregationThis section describes link aggregation of ports.It contains the following topics:• Lin

Dell PowerConnect 55xx Systems User Guide 501Link Aggregation OverviewLink Aggregation optimizes port usage by linking a group of ports together to fo

502 Dell PowerConnect 55xx Systems User GuidePorts added to a LAG lose their individual port configuration. When ports are removed from the LAG, the o

Dell PowerConnect 55xx Systems User Guide 503LACP ParametersTo define LACP LAGs, configure LACP global and port parameters, such as LACP system priori

504 Dell PowerConnect 55xx Systems User Guide–LACP Port Priority (1-65535) — Enter the LACP priority value for the port.–LACP Timeout — Select the rat

Dell PowerConnect 55xx Systems User Guide 505The following is an example of the CLI commands: console (config)# lacp system-priority 120console (confi

506 Dell PowerConnect 55xx Systems User GuideLAG Membership Each device supports up to 32 LAGs per system, and eight ports per LAG.When you add a port

Dell PowerConnect 55xx Systems User Guide 507The LACP and static LAGs on each unit are displayed along with their member ports.This page displays the

508 Dell PowerConnect 55xx Systems User Guide16MulticastThis chapter describes Multicast support on the device.It contains the following topics:• Mult

Dell PowerConnect 55xx Systems User Guide 509Multicast Support OverviewMulticast forwarding enables a single packet to be forwarded to multiple destin

Dell PowerConnect 55xx Systems User Guide 51configuration is not saved, for example, dynamically-learned MAC addresses are not saved, but dynamic info

510 Dell PowerConnect 55xx Systems User GuideIGMPInternet Group Multicast Protocol (IGMP) adds IGMP packets to Multicast traffic. When IGMP Snooping i

Dell PowerConnect 55xx Systems User Guide 511Global ParametersTo enable Multicast filtering and IGMP Snooping: 1Click Switching > Multicast Support

512 Dell PowerConnect 55xx Systems User GuideEnabling Multicast Filtering and IGMP Snooping Using CLI CommandsThe following table summarizes the CLI c

Dell PowerConnect 55xx Systems User Guide 513Bridge Multicast GroupsThe Bridge Multicast Group: Summary page displays the ports and LAGs attached to a

514 Dell PowerConnect 55xx Systems User Guide2Select a VLAN and enter the Multicast group IP address in Bridge Multicast Address.Two rows of ports and

Dell PowerConnect 55xx Systems User Guide 515Managing Bridge Multicast Groups Using CLI CommandsThe following table summarizes the CLI commands for ma

516 Dell PowerConnect 55xx Systems User GuideVLAN MAC Address Ports---- ----------- ----------1 0100.5e02.0203 gi1/0/819 0100.5e02.0208 gi1/0/8console

Dell PowerConnect 55xx Systems User Guide 517Bridge Multicast Forward AllUse the Bridge Multicast Forward All page to attach ports or LAGs to a device

518 Dell PowerConnect 55xx Systems User Guide–Static — Displays available static ports/LAGs. These port/LAGs can be included or excluded from the Mult

Dell PowerConnect 55xx Systems User Guide 519IGMP SnoopingIGMP Snooping can be enabled globally, as described in the Global Parameters page. It can al

52 Dell PowerConnect 55xx Systems User GuideLoading Software onto Stack MembersSoftware can be downloaded to all units simultaneously, or to the maste

520 Dell PowerConnect 55xx Systems User GuideThe IGMP Snooping Querier is used to support a Layer 2 Multicast domain of snooping switches in the absen

Dell PowerConnect 55xx Systems User Guide 5213Enter the fields:•IGMP Snooping Status — Enable/disable the monitoring of network traffic to determine w

522 Dell PowerConnect 55xx Systems User Guide•IGMP Querier Status — Enables or disables the IGMP Querier. The IGMP Querier simulates the behavior of a

Dell PowerConnect 55xx Systems User Guide 523ip igmp query-max-response-time secondsno ip igmp query-max-response-timeConfigures the Query Maximum Res

524 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: console (config)# ip igmp snoopingconsole (config)# inte

Dell PowerConnect 55xx Systems User Guide 525Unregistered MulticastMulticast frames are generally forwarded to all ports in the VLAN. If IGMP Snooping

526 Dell PowerConnect 55xx Systems User GuideThe action for each port is displayed.2To modify the forwarding action for an interface, click Edit, and

Dell PowerConnect 55xx Systems User Guide 527Multicast TV VLANThis section describes the Multicast TV VLAN feature.It contains the following sections:

528 Dell PowerConnect 55xx Systems User GuideMulticast TV VLAN Membership To view Multicast TV VLANs:•Click Switching > Multicast Support > Mult

Dell PowerConnect 55xx Systems User Guide 529The following is an example of the CLI commands: Multicast TV VLAN MappingTo set the Multicast Group IP a

Dell PowerConnect 55xx Systems User Guide 53• Uploading configuration files to an external TFTP server/HTTP client • Downloading configuration files f

530 Dell PowerConnect 55xx Systems User Guide•Multicast Group IP Address — Enter the Multicast group IP address for which the IGMP Snooping is enabled

Dell PowerConnect 55xx Systems User Guide 53117LLDP The section describes the Link Layer Discovery Protocol (LLDP).It contains the following topics:•

532 Dell PowerConnect 55xx Systems User GuideLLDP OverviewThe Link Layer Discovery Protocol (LLDP) enables network managers to troubleshoot and enhanc

Dell PowerConnect 55xx Systems User Guide 533LLDP PropertiesTo enable and configure LLDP:1Click System > LLDP > LLDP Properties in the tree view

534 Dell PowerConnect 55xx Systems User Guide–Reinitializing Delay (1-10) — Enter the minimum time, in seconds, that an LLDP port waits before reiniti

Dell PowerConnect 55xx Systems User Guide 535Configuring LLDP Using CLI CommandsThe following commands are used to set the fields in the LLDP Properti

536 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands: console(config)# interface gi1/0/1console(config-if)# ll

Dell PowerConnect 55xx Systems User Guide 537LLDP Port Settings LLDP configuration of a port includes activating LLDP notification on it, and selectin

538 Dell PowerConnect 55xx Systems User Guide•Tx & Rx — Enables LLDP on transmitting and receiving LLDP packets. •Disable — LLDP is disabled on th

Dell PowerConnect 55xx Systems User Guide 539Configuring LLDP Port Settings Using CLI CommandsThe following commands are used to configure LLDP on por

Dell PowerConnect 55xx Systems User Guide 545Configuring the SwitchThis section describes the configuration that must be performed after the switch is

540 Dell PowerConnect 55xx Systems User GuideMED Network Policy An LLDP-MED network policy is a set of configuration settings that is identified by a

Dell PowerConnect 55xx Systems User Guide 541To add a MED network policy:1Click System > LLDP > MED Network Policy in the tree view to display t

542 Dell PowerConnect 55xx Systems User Guide–User Priority — Select the traffic priority assigned to the network application. –DSCP Value — Select th

Dell PowerConnect 55xx Systems User Guide 543LLDP MED Port SettingsTo assign MED network policies to ports:1Click System > LLDP > MED Port Setti

544 Dell PowerConnect 55xx Systems User Guide–Available TLVs — Contains a list of available TLVs that can be advertised by the port. The possible opti

Dell PowerConnect 55xx Systems User Guide 545–Device ID — The device ID advertised, for example, the device MAC address.–Device Type — The type of dev

546 Dell PowerConnect 55xx Systems User GuideConfiguring MED on Ports Using CLI CommandsThe following commands are used to set the fields in the MED P

Dell PowerConnect 55xx Systems User Guide 547The following is an example of the CLI commands: console(config)# interface gi1/0/3console(config)# lldp

548 Dell PowerConnect 55xx Systems User GuideNeighbors InformationUse the Neighbors Information page to view information that was received in LLDP adv

Dell PowerConnect 55xx Systems User Guide 549–Device ID — Neighboring device ID –System Name — Name of the neighboring system–Port ID — Neighboring po

Dell PowerConnect 55xx Systems User Guide 55Configuration Work FlowTo configure the switches:1For each switch in the stack:aConnect it to a terminal,

550 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:console# show lldp neighborsPort Device ID Port

Dell PowerConnect 55xx Systems User Guide 55118Dynamic ARP InspectionThis section describes dynamic ARP inspection.It contains the following topics:•

552 Dell PowerConnect 55xx Systems User GuideDynamic ARP Inspection OverviewARP Inspection eliminates man-in-the-middle attacks, where false ARP packe

Dell PowerConnect 55xx Systems User Guide 553Global SettingsTo enable ARP inspection on the device:1Click Switching > Dynamic ARP Inspection > G

554 Dell PowerConnect 55xx Systems User GuideSetting Dynamic ARP Inspection Global Settings Using CLI CommandsThe following table summarizes the CLI c

Dell PowerConnect 55xx Systems User Guide 555Dynamic ARP Inspection ListAn ARP inspection list consists of entries where each entry is a pair of MAC/I

556 Dell PowerConnect 55xx Systems User GuideCreating a Dynamic ARP Inspection List Using CLI CommandsThe following table summarizes the CLI commands

Dell PowerConnect 55xx Systems User Guide 557Dynamic ARP Inspection EntriesTo add additional addresses to the lists defined in the Dynamic ARP Inspect

558 Dell PowerConnect 55xx Systems User GuideAdding Entries to a Dynamic ARP Inspection List Using CLI CommandsThe following table summarizes the CLI

Dell PowerConnect 55xx Systems User Guide 559VLAN SettingsTo assign a list of IP/MAC address pairs, defined in the Dynamic ARP Inspection List pages,

56 Dell PowerConnect 55xx Systems User GuideConnecting the Switch to the TerminalThe switch is configured and monitored through a terminal desktop sys

560 Dell PowerConnect 55xx Systems User GuideAssigning IP/MAC Address Pairs to VLANs Using CLI CommandsThe following table summarizes the CLI commands

Dell PowerConnect 55xx Systems User Guide 561Trusted InterfacesInterfaces are untrusted if the packet is received from an interface outside the networ

562 Dell PowerConnect 55xx Systems User GuideConfiguring Trusted Interfaces Using CLI CommandsThe following table summarizes the CLI commands for conf

Dell PowerConnect 55xx Systems User Guide 56319DHCP SnoopingThis section describes DHCP Snooping and DHCP Relay features.It contains the following top

564 Dell PowerConnect 55xx Systems User GuideDHCP Snooping This section describes DHCP snooping.It contains the following topics:• DHCP Snooping Overv

Dell PowerConnect 55xx Systems User Guide 565DHCPOFFER Filter. Forward the packet according to DHCP information. If the destination address is unknown

566 Dell PowerConnect 55xx Systems User GuideAs shown in Table 21-1, the DHCP Snooping Binding database is updated by interception of DHCPACK, DHCPDEC

Dell PowerConnect 55xx Systems User Guide 567To configure DHCP snooping on the device:1Click Switching > DHCP Snooping > Global Parameters in th

568 Dell PowerConnect 55xx Systems User GuideThe following table summarizes the CLI commands for configuring DHCP snooping global parameters.Table 19-

Dell PowerConnect 55xx Systems User Guide 569The following is an example of some of the CLI commands: console(config)# ip dhcp snoopingconsole(config)

Dell PowerConnect 55xx Systems User Guide 57Booting the SwitchAfter the local terminal is connected, turn on power. The switch then goes through power

570 Dell PowerConnect 55xx Systems User GuideVLAN SettingsTo separate ports in a VLAN, enable DHCP snooping on it. Before you enable DHCP snooping on

Dell PowerConnect 55xx Systems User Guide 571Configuring DHCP Snooping on VLANs Using CLI CommandsThe following table summarizes the CLI commands for

572 Dell PowerConnect 55xx Systems User GuideTrusted Interfaces To define a trusted interface:1Click Switching > DHCP Snooping > Trusted Interfa

Dell PowerConnect 55xx Systems User Guide 573Configuring DHCP Snooping Trusted Interfaces Using CLI CommandsThe following table summarizes the CLI com

574 Dell PowerConnect 55xx Systems User GuideTo query and add IP addresses to the Binding database:1Click Switching > DHCP Snooping > Binding Da

Dell PowerConnect 55xx Systems User Guide 575–VLAN ID — Select the VLAN ID to which the IP address is associated in the entry. –IP Address — Enter the

576 Dell PowerConnect 55xx Systems User GuideThe following is an example of some of the CLI commands: show ip dhcp snooping binding [mac-address mac-a

Dell PowerConnect 55xx Systems User Guide 577DHCP RelayThis section describes DHCP relay.It contains the following topics:• DHCP Relay Overview•Option

578 Dell PowerConnect 55xx Systems User GuideOption 82 OverviewThe relay agent information option (Option 82) in the DHCP protocol enables a DHCP rela

Dell PowerConnect 55xx Systems User Guide 579Option 82To enable Option82 insertion:1Click Switching > DHCP Relay > Option 82 in the tree view to

58 Dell PowerConnect 55xx Systems User GuideConfiguring the StackThe switch is always considered to be a stack of switches even if the stack only cont

580 Dell PowerConnect 55xx Systems User GuideConfiguring Option 82 Using CLI CommandsThe following table summarizes the CLI commands for defining fiel

Dell PowerConnect 55xx Systems User Guide 5813To add a DHCP server, click Add.4Enter the IP address of the DHCP server in the DHCP Server IP Address f

582 Dell PowerConnect 55xx Systems User GuideInterface Settings. NOTE: For DHCP Relay to function on an interface, it also must be activated globally

Dell PowerConnect 55xx Systems User Guide 583Defining Interface Settings Using CLI CommandsThe following table summarizes the CLI commands for definin

584 Dell PowerConnect 55xx Systems User Guide20iSCSI OptimizationThis section describes iSCSI optimization.It contains the following topics: • Optimiz

Dell PowerConnect 55xx Systems User Guide 585Optimizing iSCSI OverviewThe Internet Small Computer System Interface (iSCSI) is an IP-based storage netw

586 Dell PowerConnect 55xx Systems User GuideLimitationsThe following limitations exist:• All iSCSI connections receive the relevant QoS, regardless o

Dell PowerConnect 55xx Systems User Guide 587• Each session supports at most four TCP connections. If a new TCP connection of an already opened iSCSI

588 Dell PowerConnect 55xx Systems User GuideGlobal ParametersUse the Global Parameters page to enable iSCSI and to set iSCSI QoS frame priority. You

Dell PowerConnect 55xx Systems User Guide 589–iSCSI Aging Time — Enter how long the device will wait, after the last received frame of an iSCSI sessio

Dell PowerConnect 55xx Systems User Guide 59• The IP address to be assigned to the VLAN 1 interface through which the switch is to be managed (by defa

590 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:console(config)# iscsi enableconsole(config)# iscsi cos d

Dell PowerConnect 55xx Systems User Guide 591iSCSI TargetsTo add an iSCSI target:1Click System > iSCSI Optimization > iSCSI Targets in the tree

592 Dell PowerConnect 55xx Systems User GuideDefining iSCSI Targets Using CLI CommandsThe following table summarizes the CLI commands for defining fie

Dell PowerConnect 55xx Systems User Guide 593iSCSI SessionsTo display information about iSCSI communications to various targets:1Click System > iSC

594 Dell PowerConnect 55xx Systems User Guide–Initiators/Targets — The IP address and TCP port used by each initiator and target in the session is dis

Dell PowerConnect 55xx Systems User Guide 595Configuring iSCSI Using CLIThe following is a sample procedure to configure the iSCSI feature using CLI:T

Dell PowerConnect 55xx Systems User Guide 59621Statistics/RMONThis section describes many of the statistics available on the device. The only exceptio

Dell PowerConnect 55xx Systems User Guide 597Table ViewsThis section displays statistics in table form.It contains the following topics: • Denied ACEs

598 Dell PowerConnect 55xx Systems User GuideDenied ACEs CountersThe Denied ACEs counters contain the number of packets that were dropped (denied) bec

Dell PowerConnect 55xx Systems User Guide 599Viewing Denied ACE Counters Statistics Using the CLI CommandsThe following table contains the CLI command

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm6 ContentsGUI Terms. . . . . . . . . . .

60 Dell PowerConnect 55xx Systems User GuideTo manage the switch using SNMP (required for Dell Network Manager) you can:•Setup the initial SNMP versio

600 Dell PowerConnect 55xx Systems User GuideUtilization SummaryUse the Utilization Summary page to display interface utilization. This page is refres

Dell PowerConnect 55xx Systems User Guide 601–% Unicast Received — Percentage of Unicast packets received on the interface.–% Non Unicast Packets Rece

602 Dell PowerConnect 55xx Systems User GuideCounter SummaryTo display the number of received and transmitted packets on ports, as numeric figures and

Dell PowerConnect 55xx Systems User Guide 603–Transmitted Unicast Packets — Number of transmitted Unicast packets from the interface.–Received Non Uni

604 Dell PowerConnect 55xx Systems User GuideInterface StatisticsTo display the number of received and transmitted packets on an interface:1Click Stat

Dell PowerConnect 55xx Systems User Guide 605–Unicast Packets — Number of Unicast packets received on the selected interface.–Multicast Packets — Numb

606 Dell PowerConnect 55xx Systems User GuideEtherlike StatisticsTo display interface error statistics:1Click Statistics/RMON > Table Views > Et

Dell PowerConnect 55xx Systems User Guide 607–Excessive Collisions — Number of frames for which transmission fails due to excessive collisions.–Intern

608 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI command for all ports: The following is an example of the CLI comm

Dell PowerConnect 55xx Systems User Guide 609GVRP StatisticsTo display device GVRP statistics:1Click Statistics/RMON > Table Views > GVRP Statis

Dell PowerConnect 55xx Systems User Guide 61other accounts and change privilege levels later. For more information on setting up user accounts and cha

610 Dell PowerConnect 55xx Systems User Guide–Leave In — The number of GVRP Leave In packets.–Leave All — The number of GVRP Leave All packets.GVRP Er

Dell PowerConnect 55xx Systems User Guide 611The following is an example of the CLI commands:console# show gvrp statisticsGVRP Statistics:------------

612 Dell PowerConnect 55xx Systems User GuideEAP Statistics For information about EAP, see "Dot1x Authentication" on page 127. To display EA

Dell PowerConnect 55xx Systems User Guide 613–Start Frames Receive — The number of EAPOL Start frames received on the port.–Log off Frames Receive — T

614 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:console# show dot1x statistics gi1/0/1EapolFramesRx: 11Ea

Dell PowerConnect 55xx Systems User Guide 615RMON ComponentsThis section describes Remote Monitoring (RMON), which enables network managers to display

616 Dell PowerConnect 55xx Systems User GuideStatisticsTo display device utilization statistics and errors that occurred on the device: 1Click Statist

Dell PowerConnect 55xx Systems User Guide 617–Multicast Packets Received — Number of good Multicast packets received on the interface, since the devic

618 Dell PowerConnect 55xx Systems User Guide–Frames of 1024 to Max Octets — Number of 1024-Max Octet frames received on the interface, since the devi

Dell PowerConnect 55xx Systems User Guide 619History ControlTo display the requested RMON history group statistics or request a new sample of interfac

62 Dell PowerConnect 55xx Systems User Guide12Enter the default gateway.13Press Enter. The following is displayed (example):This is the configuration

620 Dell PowerConnect 55xx Systems User Guide–Max No. of Samples to Keep (1-50) — Number of samples to be saved. –Sampling Interval (1-3600) — The tim

Dell PowerConnect 55xx Systems User Guide 621History TableThe History Table page displays interface-specific statistical network samplings. Each table

622 Dell PowerConnect 55xx Systems User Guide–Drop Events — Number of dropped packets due to lack of network resources during the sampling interval. T

Dell PowerConnect 55xx Systems User Guide 623Viewing the RMON History Table Using the CLI CommandsThe following table contains the CLI commands for vi

624 Dell PowerConnect 55xx Systems User GuideEvents ControlEvents are actions that are performed when an alarm is generated (alarms are defined in the

Dell PowerConnect 55xx Systems User Guide 6253Enter the fields:–Event Entry — Displays a new event number.–Community — Enter the community to which th

626 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:console(config)# rmon event 1 logconsole(config)# exitcon

Dell PowerConnect 55xx Systems User Guide 627Events LogThe Events log displays the log of events that occurred. An event is logged when the type of th

628 Dell PowerConnect 55xx Systems User Guide–Description — Description of the log entry.Viewing Device Events Using the CLI CommandsThe following tab

Dell PowerConnect 55xx Systems User Guide 629alarm is issued when a rising threshold is crossed. One or more alarms are bound to an event. The event i

Dell PowerConnect 55xx Systems User Guide 636Advanced Switch ConfigurationThis section describes how to perform various configuration operations throu

630 Dell PowerConnect 55xx Systems User Guide–Sample Type — Select the sampling method for the selected variable and comparing the value against the t

Dell PowerConnect 55xx Systems User Guide 631Defining Device Alarms Using the CLI CommandsThe following table contains the CLI commands for defining d

632 Dell PowerConnect 55xx Systems User GuideThe following is an example of the CLI commands:console(config)# rmon alarm 1000 1.3.6.1.2.1.2.2.1.10.1 3

Dell PowerConnect 55xx Systems User Guide 633Charts This section describes how to display statistics as charts.It contains the following topics: •Port

634 Dell PowerConnect 55xx Systems User Guide3Check the type of statistics to be displayed:–Interface Statistics — Select the interface statistics to

Dell PowerConnect 55xx Systems User Guide 635Viewing Port Statistics Using the CLI CommandsThe CLI commands for viewing port statistics are the same C

636 Dell PowerConnect 55xx Systems User Guide–GVRP Statistics — Select the GVRP statistics type to display.–Refresh Rate — Select the amount of time t

Dell PowerConnect 55xx Systems User Guide 637The following is an example of the CLI commands:console# show rmon statistics gi1/0/1Port gi1/0/1Dropped:

638 Dell PowerConnect 55xx Systems User GuideCPU Utilization Use the CPU Utilization page to display the system’s CPU utilization and percentage of CP

Dell PowerConnect 55xx Systems User Guide 639Viewing CPU Utilization Using CLI CommandsThe following table summarizes the CLI commands for viewing CPU

64 Dell PowerConnect 55xx Systems User GuideUsing the CLIThis section provides some general information for using the CLI. For a complete description

Dell PowerConnect 55xx Systems User Guide 64022Quality of ServiceThis section provides information for configuring Quality of Service (QoS). It contai

Dell PowerConnect 55xx Systems User Guide 641QoS Features and ComponentsThe QoS feature is used to optimize network performance. It provides classific

642 Dell PowerConnect 55xx Systems User GuideThis is the default QoS mode.•Advanced Mode — Per-flow Quality of Service (QoS).In Advanced mode, a per-f

Dell PowerConnect 55xx Systems User Guide 643GeneralThis section contains the following topics: •QoS Mode• QoS Properties•Queue• Mapping to Queue•Band

644 Dell PowerConnect 55xx Systems User Guide–Advanced — QoS is enabled in Advanced mode on the switch.–Disable — QoS is not enabled on the switch.Set

Dell PowerConnect 55xx Systems User Guide 645QoS PropertiesTo set the default CoS value on incoming, untagged packets:1Click Quality of Service > G

646 Dell PowerConnect 55xx Systems User GuideConfiguring QoS Properties Using CLI CommandsThe following table summarizes the CLI commands for configur

Dell PowerConnect 55xx Systems User Guide 647Combination of WRR and Strict PriorityThe priority for handling traffic can be selected for each queue. W

648 Dell PowerConnect 55xx Systems User GuideTo select the priority method and enter WRR weights:1Click Quality of Service > General > Queue in

Dell PowerConnect 55xx Systems User Guide 649–Scheduling WRR Weight — If WRR is selected, enter the WRR weight assigned to the queue.–% of WRR Bandwid

Dell PowerConnect 55xx Systems User Guide 65Privileged access can be protected, to prevent unauthorized access and to secure operating parameters. Pas

650 Dell PowerConnect 55xx Systems User GuideCoS to QueueThe CoS to Queue page maps CoS priorities to an egress queue, meaning that the egress queues

Dell PowerConnect 55xx Systems User Guide 651To map CoS values to egress queues:1Click Quality of Service > General > CoS to Queue in the tree v

652 Dell PowerConnect 55xx Systems User GuideMapping CoS Priorities to Queues Using CLI CommandsThe following table summarizes the CLI commands for co

Dell PowerConnect 55xx Systems User Guide 653To map DSCP to queues:1Click Quality of Service > General > DSCP to Queue in the tree view to displ

654 Dell PowerConnect 55xx Systems User GuideMapping DSCP Values to Queues Using CLI CommandsThe following table summarizes the CLI commands for confi

Dell PowerConnect 55xx Systems User Guide 655To configure bandwidth limitation:1Click Quality of Service > General > Bandwidth in the tree view

656 Dell PowerConnect 55xx Systems User Guide–Egress Shaping Rate — Enable/disable egress traffic limitation. If this field is selected, enter the fol

Dell PowerConnect 55xx Systems User Guide 657TCP Congestion AvoidanceUse the TCP Congestion Avoidance page to activate a congestion avoidance algorith

658 Dell PowerConnect 55xx Systems User GuideConfiguring TCP Congestion Avoidance Using CLI CommandsThe following table summarizes the CLI commands fo

Dell PowerConnect 55xx Systems User Guide 659QoS Basic ModeThis section describes QoS Basic mode. It contains the following topics: •Basic Mode Overvi

66 Dell PowerConnect 55xx Systems User GuideTo access Global Configuration mode, at the Privileged EXEC Mode prompt, type configure and press <Ente

660 Dell PowerConnect 55xx Systems User GuideGlobal SettingsUse the Global Settings page to enable Trust on all interfaces on the switch. This configu

Dell PowerConnect 55xx Systems User Guide 6612Enter the fields:–Trust Mode — Enable/disable Trust mode.•CoS — Traffic is mapped to queues, based on th

662 Dell PowerConnect 55xx Systems User GuideDSCP RewriteUse the DSCP Rewrite page to rewrite the DSCP tags for incoming traffic, when different DSCP

Dell PowerConnect 55xx Systems User Guide 663To map DSCP In values to DSCP Out values:1Click Quality of Service > QoS Basic Mode > DSCP Rewrite

664 Dell PowerConnect 55xx Systems User Guide2For each DSCP In value (DSCP value of the incoming packet) that needs to be rewritten to an alternative

Dell PowerConnect 55xx Systems User Guide 665To define QoS Trust for an interface:1Click Quality of Service > QoS Basic Mode > Interface Setting

666 Dell PowerConnect 55xx Systems User GuideAssigning Interface Settings Using CLI CommandsThe following table summarizes the CLI commands for config

Dell PowerConnect 55xx Systems User Guide 667console(config)#interface gi1/0/1 Enter Interface mode on port gi1/0/1.console(config-if)#service-acl inp

668 Dell PowerConnect 55xx Systems User GuideQoS Advanced ModeThis section describes QoS Advanced mode. It contains the following topics: • Advanced M

Dell PowerConnect 55xx Systems User Guide 669• If you bind a policy map to more than one port and one of its classes contains a single policer, all po

Dell PowerConnect 55xx Systems User Guide 67Accessing the Device Through the CLIYou can manage the device using CLI commands, over a direct connection

670 Dell PowerConnect 55xx Systems User GuideaSingle Policer — Create a policy that associates a class map with a single policer in the Policy Table p

Dell PowerConnect 55xx Systems User Guide 671To set new DSCP values:1Click Quality of Service > QoS Advanced Mode > DSCP Mapping to display the

672 Dell PowerConnect 55xx Systems User GuideConfiguring DSCP Mapping Using CLI CommandsThe following table summarizes the CLI commands for setting th

Dell PowerConnect 55xx Systems User Guide 673To define a class map:1Click Quality of Service > QoS Advanced Mode > Class Mapping to display the

674 Dell PowerConnect 55xx Systems User Guide–Match ACL Type — Enter the criteria that a packet must match in order to belong to the flow defined by t

Dell PowerConnect 55xx Systems User Guide 675The following is an example of the CLI commands: QoS PolicersThis section describes QoS policers.It conta

676 Dell PowerConnect 55xx Systems User GuideQoS Policers OverviewThe rate of traffic that matches a pre-defined set of rules can be measured, and lim

Dell PowerConnect 55xx Systems User Guide 677Aggregate PolicersTo define an aggregate policer:1Click Quality of Service > QoS Advanced Mode > Ag

678 Dell PowerConnect 55xx Systems User Guide–Exceed Action — Select the action to be performed on incoming packets that exceed the CIR. The possible

Dell PowerConnect 55xx Systems User Guide 679Single PolicersDefining Aggregate Policers Using CLI CommandsThe following table summarizes the CLI comma

68 Dell PowerConnect 55xx Systems User GuideRetrieving an IP Address Receiving an IP Address from a DHCP ServerWhen using the DHCP protocol to retriev

680 Dell PowerConnect 55xx Systems User GuideOnly those policies that are bound to an interface are active (see the Policy Binding pages). After a pol

Dell PowerConnect 55xx Systems User Guide 681Defining Policies Using CLI CommandsThe following table summarizes the CLI commands for setting the field

682 Dell PowerConnect 55xx Systems User GuidePolicy Class MapsOne or more class maps can be added to a policy. A class map defines the type of packets

Dell PowerConnect 55xx Systems User Guide 683–Class Map Name — Select an existing class map to be associated with the policy. Class maps are created i

684 Dell PowerConnect 55xx Systems User Guide–Ingress Committed Burst Size (CBS) (Range: 3000 - 16769020) — Enter the CBS in bytes. See its descriptio

Dell PowerConnect 55xx Systems User Guide 685The following is an example of the CLI commands: qos aggregate-policer aggregate-policer-name committed-r

686 Dell PowerConnect 55xx Systems User GuidePolicy BindingAfter policies are created, they must be bound to interfaces (ports or LAGs).When a policy

Dell PowerConnect 55xx Systems User Guide 687Previously-defined policy bindings are displayed.2To bind a policy to an interface, click Add.3Select the

688 Dell PowerConnect 55xx Systems User GuideQoS StatisticsThis section describes how to view and manage QoS statistics.It contains the following topi

Dell PowerConnect 55xx Systems User Guide 689Policer StatisticsA Single Policer is bound to a class map from a single policy. An Aggregate Policer is

Dell PowerConnect 55xx Systems User Guide 693To verify the IP address, type show ip interface at the system prompt, as shown in the following example.

690 Dell PowerConnect 55xx Systems User Guide–Class Map — Statistics are displayed for this class map.–In-Profile Bytes — Number of in-profile bytes r

Dell PowerConnect 55xx Systems User Guide 691Aggregated PolicerTo view aggregated policer statistics: 1Click Quality of Service QoS Statistics Agg

692 Dell PowerConnect 55xx Systems User Guide3 Select an aggregate policer in the Aggregate Policer Name field.Defining Aggregate Policer Statistics U

Dell PowerConnect 55xx Systems User Guide 693To view Queue Statistics: 1Click Quality of Service QoS Statistics Queues Statistics to display the Q

694 Dell PowerConnect 55xx Systems User Guide2To add a new counter, click Add, and enter the fields:– Counter Set—Select the counter set. The possible

Dell PowerConnect 55xx Systems User Guide 695GlossaryFigure 23-1. This glossary contains key technical words of interest. AAccess ModeSpecifies the me

696 Dell PowerConnect 55xx Systems User GuideAuthentication ProfilesSets of rules which that enables login to and authentication of users and applicat

Dell PowerConnect 55xx Systems User Guide 697Boot VersionThe boot version.BootPBootstrap Protocol. Enables a workstation to discover its IP address, a

698 Dell PowerConnect 55xx Systems User GuideClass of Service (CoS). Class of Service is the 802.1p priority scheme. CoS provides a method for tagging

Dell PowerConnect 55xx Systems User Guide 699•Full Duplex Mode — Permits for bisynchronous communication, for example, a telephone. Two parties can tr

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fmContents7sFlow . . . . . . . . . . . .

70 Dell PowerConnect 55xx Systems User GuideTo retrieve an IP address from a BOOTP server:1Select and connect any port to a BOOTP server or subnet con

700 Dell PowerConnect 55xx Systems User GuideFirst In First Out. A queuing process where the first packet in the queue is the first packet out of the

Dell PowerConnect 55xx Systems User Guide 701HTTPHyperText Transport Protocol. Transmits HTML documents between servers and clients on the internet.II

702 Dell PowerConnect 55xx Systems User GuidePorts on which network traffic is received.IPInternet Protocol. Specifies the format of packets and there

Dell PowerConnect 55xx Systems User Guide 703Establishes a connections and ensures that all data arrives to their destination. Packets inspected at th

704 Dell PowerConnect 55xx Systems User GuideMessage Digest 5. An algorithm that produces a 128-bit hash. MD5 is a variation of MD4, and increases MD4

Dell PowerConnect 55xx Systems User Guide 705OOIDOrganizationally Unique Identifiers. Identifiers associated with a Voice VLAN. OUIObject Identifier.

706 Dell PowerConnect 55xx Systems User GuideQQoSQuality of Service. QoS allows network managers to decide how and what network traffic is forwarded a

Dell PowerConnect 55xx Systems User Guide 707SSegmentationDivides LANs into separate LAN segments for bridging. Segmentation eliminates LAN bandwidth

708 Dell PowerConnect 55xx Systems User GuideSub-network. Subnets are portions of a network that share a common address component. On TCP/IP networks,

Dell PowerConnect 55xx Systems User Guide 709VVLANVirtual Local Area Networks. Logical subgroups with a Local Area Network (LAN) created via software

Dell PowerConnect 55xx Systems User Guide 71Security Management and Password ConfigurationSystem security is handled through the Authentication, Autho

710FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

711FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

712FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

713FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

714FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

715FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

716FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

717FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

718FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

719FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

72 Dell PowerConnect 55xx Systems User Guide•Disabled: When the password-recovery mechanism is invoked, one-time access to the device without a passwo

720FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

721FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

722FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

723FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

724FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

725FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

726FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintIX.fmDELL CONFIDENTIAL – PRELIMINARY 5/7/12

Dell PowerConnect 55xx Systems User Guide 72725Revision HistoryRev Date DescriptionA5 May 1, 2012 Added "Auto-Update/Configuration Feature"

Dell PowerConnect 55xx Systems User Guide 73Configuring an Initial SSH PasswordTo configure an initial SSH password, enter the following commands:Conf

74 Dell PowerConnect 55xx Systems User GuideConfiguring Login BannersBanners can be defined for each line, such as console and telnet) or for all line

Dell PowerConnect 55xx Systems User Guide 75•Login Banner — Displayed after the Message-of-the-Day Banner, and before the user has logged in. The foll

76 Dell PowerConnect 55xx Systems User GuideStartup Menu ProceduresThe Startup menu enables performing various tasks, such as software download, flash

Dell PowerConnect 55xx Systems User Guide 77To download software through the Startup menu:1From the Startup menu, press [1]. The following prompt is d

78 Dell PowerConnect 55xx Systems User GuideThe configuration is erased when the system is reset.Password Recovery - Option[3]If a password is lost, t

Dell PowerConnect 55xx Systems User Guide 79Software DownloadThis section contains instructions for downloading device software (system and boot image

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm8 Contents13 Spanning Tree . . . . . . .

80 Dell PowerConnect 55xx Systems User Guide2Enter the show bootvar command, to verify which system image is currently active. The following is an exa

Dell PowerConnect 55xx Systems User Guide 815Select the image for the next boot by entering the boot system command. After this command, enter the sho

82 Dell PowerConnect 55xx Systems User Guide1Enter the show version command to verify which software version is currently running on the device. The f

Dell PowerConnect 55xx Systems User Guide 837Using Dell OpenManage AdministratorThis section provides an introduction to the Dell OpenManage Switch Ad

84 Dell PowerConnect 55xx Systems User GuideStarting the Application NOTE: Before starting the application the IP address must be defined. For more i

Dell PowerConnect 55xx Systems User Guide 85Device RepresentationThe home page contains a graphical representation of the units in the stack’s front p

86 Dell PowerConnect 55xx Systems User Guide• gi—Giga port• te —Ten Giga port•x — Unit ID•z — Port number

Dell PowerConnect 55xx Systems User Guide 87Using the Switch Administrator ButtonsThis section describes the buttons found on the OpenManage Switch Ad

88 Dell PowerConnect 55xx Systems User GuideRefresh Refreshes device information from the Running Configuration file.Table 7-3. Device Management Icon

Dell PowerConnect 55xx Systems User Guide 89Field DefinitionsFields that are user-defined can contain between 1–159 characters, unless otherwise noted

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fmContents9LAG Membership . . . . . . . .

90 Dell PowerConnect 55xx Systems User GuideGUI TermsEach GUI page in the tree view is described in the following sections. A brief introduction is pr

Dell PowerConnect 55xx Systems User Guide 91Ctrl+F4 Any combination of keys clicked simultaneously, for example: Ctrl and F4.Screen Display Indicates

92 Dell PowerConnect 55xx Systems User Guide8Network SecurityThis section describes the various mechanisms for providing security on the switch.It con

Dell PowerConnect 55xx Systems User Guide 93Port SecurityNetwork security can be enhanced by limiting access on a port to users with specific MAC addr

94 Dell PowerConnect 55xx Systems User GuideTo configure port security:1Click Switching > Network Security > Port Security to display the Port S

Dell PowerConnect 55xx Systems User Guide 95•Limited Dynamic Lock — Locks the port by deleting the dynamic MAC addresses associated with the port. The

96 Dell PowerConnect 55xx Systems User Guideport security max {max-addr}no port security maxSpecifies the maximum number of MAC addresses that can be

Dell PowerConnect 55xx Systems User Guide 97The following is an example of the CLI commands: console # show ports securityPort Status Learning

98 Dell PowerConnect 55xx Systems User GuideACLsThis section describes Access Control Lists (ACLs), which enable defining classification actions and r

Dell PowerConnect 55xx Systems User Guide 99•IPv6-based ACL —Examines the Layer 3 layer of IPv6 framesMAC-Based ACLsTo define a MAC-based ACL:1Click S