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Nortel Networks 2500 Series manual Overview System Conﬁguration

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Nortel Ethernet Routing Switch 2500 Series

Overview — System Conﬁguration

NN47215-500 (323162-B)

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Nortel Networks 2500 Series manual Overview System Conﬁguration

Contents

Overview System Conﬁguration Restricted rights legend TrademarksStatement of conditions General Nortel Networks software license agreementPage Contents System conﬁguration software features Getting Started with Device Manager 101 Using the Web-based management interface 145 System conﬁguration using the CLI 177 Copyright 2007, Nortel Networks Ethernet port management using the CLI 233 Conﬁguring ports using Device Manager 303 Troubleshooting 337 Contents Conﬁguring daylight savings time using the device manager FeaturesNew in this release Other changesNew in this release Before you begin IntroductionText conventions This guide uses the following text conventionsBold body text IntroductionProtocols menu Related publicationsGetting help over the phone from a Nortel Solutions Center How to get helpGetting help from the Nortel web site Getting help through a Nortel distributor or resellerHow to get help Introduction Front panel Ethernet Routing Switch 2500 Series hardwareEthernet Routing Switch 2526T front panel Ethernet Routing Switch 2550T-PWRConsole port Port connectors SFP Gbic Support on the Ethernet Routing Switch 2500 SeriesGigabit Interface Converter LED display panel Auto-MDI/MDI-XPWR Kensington lock Back panelLabel Type Color State Meaning Cooling fans AC power receptacleRead immediately Country/Plug Specifications Typical plug DescriptionBitte sofort lesen Leggere attentamente Lisez ceci immédiatementSírvase leer inmediatamente Avertissement Network conﬁguration examples Small ofﬁce desktop switch applicationEthernet Routing Switch 2500 Series used as a desktop switch Branch ofﬁce workgroup switch applicationConﬁguring power workgroups and a wiring closet switch Medium sized ofﬁce wiring closet switch applicationConﬁguring power workgroups and a wiring closet switch Ethernet Routing Switch 2500 Series hardware Stacking capabilities Nortel Ethernet Routing Switch 2500 Series stackingStacking functionality delivery Stack enabled switchesStandalone conﬁguration with license ﬁles Syntax for the copy tftp license command is Working with license ﬁles using the CLIShow license all command output Copying the license ﬁle using the Java Device ManagerStep Action License Download Following table describes the ﬁelds on the License DownloadLicense Download page ﬁelds Fields Description Stack conﬁguration To set up a stack, do the followingRear-ports mode command Conﬁguring the operational mode on rear ports using the CLIShow rear-ports mode command Rear-ports mode command Show rear-ports mode commandShow rear-ports mode command output Unit Select switchRear ports and stacking Rear panel componentsCascade Down port Connecting stack cablesCascade Up port Stack MAC address Initial stack installationStack conﬁgurations Base Unit Cascade Cable Cascade Cable used for returnCascade down stack conﬁguration Regardless of stack conﬁguration, the following applies Temporary base unitCascade up stack conﬁguration Redundant cascade stacking Adding/Replacing a stack unit Removing a stack unitRedundant cascade stacking Auto Unit Replacement AUR function CFG mirror process in stack CFG mirror image processCFG mirror images in the stack after adding unit CFG mirror images after removing unit CFG mirror images in the stack after removing the BU unit Restoring a CFG imageStep Action Show stack auto-unit-replacement command Conﬁguring AUR using the CLISyntax for this command is Synchronizing the CFG mirror images with CFG imagesNo stack auto-unit-replacement enable command Stack auto-unit-replacement enable commandDefault stack auto-unit-replacement enable command Displaying unit stack uptime Conﬁguring AUR using Device ManagerNortel Ethernet Routing Switch 2500 Series stacking Switch management features System conﬁguration software featuresConﬁguration and switch management Switch banner Console port settingsUser name and password Login bannerLogging Login screenUsing Sntp Autosave featureUsing DNS to ping and Telnet Setting local time zoneConﬁguring with CLI Choosing a BootP request mode BootP automatic IP conﬁguration/MAC addressBootP Always BootP or Default IPBootP or Last Address BootP or Default IP BootP Always BootP or Last AddressBootP or Last Address BootP DisabledDefault BootP setting Flash memory storage Switch software image storageRequirements Conﬁguration File Download/UploadBinary conﬁguration ﬁle Autotopology Link Layer Discovery Protocol Ieee 802.1ab Ascii conﬁguration ﬁleConnectivity and management information Lldp operational modesHow Lldp works System conﬁguration software features Conﬁguring Lldp using the CLI Ethernet port management featuresAutosensing and autonegotiation Custom Autonegotiation AdvertisementsHigh speed ﬂow control Symmetric modeAsymmetric mode Other featuresRate Limiting Conﬁguration RFCsStandards CLI Basics CLI command modes CLI command mode hierarchy Command mode prompts and entrance/exit commandsInterface FastEthern Port numbering Port numbering in Standalone ModeEthernet Routing Switch 2500 Series banner Accessing CLIPress Ctrl+Y, and the CLI prompt appears Getting help Setting the system username and passwordBasic navigation End command Exit command Reload command Shutdown command General navigation commandsKeystroke navigation Help command Default command No commandLogout command Help command outputConﬁgure command Enable commandInterface command Conﬁgure command parameters and variablesEnd command Disable commandExit command Syntax for the end command isExit command has no parameters or variables Reload commandShutdown command Shutdown command parameters and variables Show sys-info command Show tech command Show sys-info commandManaging basic system information Parameters Description VariablesShow sys-info command output Show tech commandShow tech command output Managing MAC address forwarding database table Show mac-address-table commandDefault mac-address-table aging-time command Mac-address-table aging-time commandShow mac-address-table command output CLI Basics Installing Device Manager Device Manager basics Installing Device ManagerGetting Started with Device Manager Installing the Device Manager software JDM installation precautionsInstalling JDM on Windows Installing JDM on Windows Installing JDM on Unix or LinuxRemoving previous versions of JDM on Windows Windows minimum requirementsInstalling JDM on Windows from the web Installing JDM on Windows from the CDTo access the JDM software from the installation CD InstallAnywhere Introduction dialog box Executing the JDM installation software on WindowsClick Next Choose Install Set dialog boxLicense Agreement dialog box Feature Sets dialog box Click Next Choose Shortcut Folder dialog box appears Choose Install Folder dialog boxChoose Shortcut Folder dialog box Pre-Installation Summary dialog box Install Complete dialog box Installing JDM on Unix or LinuxInstalling JDM on Linux from the CD Installing JDM on Solaris from the CDMinimum requirements Installing JDM on Unix or Linux from the web Executing the JDM installation software on Unix or Linux Do one of the following Click Next Choose Install Set dialog box appearsFeature Sets dialog box Pre-Installation Summary dialog box appears Installing Java Device Manager dialog box Removing JDM in Unix or Linux environments Starting Device Manager Device Manager basicsDevice Manager window Setting the Device Manager propertiesType information and select check boxes Click OK Default Properties dialog boxFollowing table describes the Properties dialog box ﬁelds Properties dialog box ﬁelds AreaPolling Area Field DescriptionWeb Management Application ControlOpening a device To display the device view, use the following procedureApplication Launch Telnet From JDMFollowing table describes the Open Device dialog box ﬁelds Press Ctrl+O Open Device dialog box appearsField Description SNMPv3 Click OpenDevice view Device Manager windowParts of the Device Manager window Menu bar commands page 127 describes the Menu Bar commands Use the menu bar to set up and operate the Device ManagerMenu bar ToolbarSelecting objects Device viewToolbar buttons Button Name Description Menu bar equivalent Selecting multiple objects Selecting a single objectViewing information about a Gbic port To select a single objectInterface tab LEDs and portsShortcut menus Switch unit shortcut menuPort color codes Color Description Color port legendPort shortcut menu commands Command Description Switch unit shortcut menu command Command DescriptionPort shortcut menu Editing objects Using the buttons in Device Manager dialog boxesStatus bar Device Manager buttons Button Name DescriptionTypes of statistics Working with statistics and graphsTypes of statistics Statistic Description Statistic Description Types of graphsLine graph Area graph Bar graph Pie graph Statistics for single and multiple objectsInterface statistics for a single port Types of statistics Viewing statistics as graphs Viewing statistics as graphsInterface statistics for multiple ports Statistics dialog box for a port Opening an SSH connection to the device Telnet sessionGraph dialog box buttons Button Name Description Opening the web-based management home Web-based management home Trap logOnline Help Help ﬁle locations Platform Default pathGetting Started with Device Manager Requirements Using the Web-based management interfaceWeb-based management interface home Logging in to the web-based management interfaceMenu MenuMain headings and options Main menu titles Option Adac Main menu titles OptionMenu icons Button or icon Description ManagementConsole To view stack information Viewing stack informationIcons Name Description Stack Information screen ﬁelds Section Fields Description Stack InformationSwitch Information page ﬁelds Description Switch InformationViewing summary information Section Fields DescriptionTo view or renumber devices within the stack framework Changing stack numberingStack Numbering Stack Numbering screen ﬁelds Field Range Description Identifying unit numbersIdentifying Unit Numbers 157 Conﬁguring PoE switch parameters using the CLI Diagnosing and correcting PoE problemsPoe poe-pd-detect-type command Status codes on PoE portsLegacy Poe poe-power-usage-threshold commandPoe poe-trap command Conﬁguring PoE port parameters using the CLINo poe-trap command No poe-shutdown commandPoe poe-shutdown command No poe-shutdown commandNo poe-shutdown command parameters and variables Poe poe-shutdown command parameters and variables Poe poe-priority commandSyntax for the poe poe-prioritycommand is Poe poe-priority command parameters and variablesPoe poe-limit command parameters and variables Poe poe-limit commandSets the port priority as Show poe-main-status command Displaying PoE conﬁguration using the CLIShow poe-port-status command parameters and variables Show poe-port-status commandShow poe-port-status command output Show poe-power-measurement commandEnter the ports for which you want to display StatusDisplaying and conﬁguring power management for the switch Conﬁguring PoE using web-based managementPower measurements Show poe-power-measurement command outputDisplaying and conﬁguring power management for the ports Displaying and conﬁguring power management for the switchGlobal Power Management Global Power Management page items DescriptionEnd Port Property page appears Port Property Displaying and conﬁguring power management for the portsFollowing table describes the items on the Port Property Port PropertyDescription PoE tab for a single unit PoE tab items for a single unit Description Edit Unit dialog box-PoE tab for a single unitERS 2550T-PWR with PoE ports Device Manager display for PoE portsColor Description PoE tab for portsEdit Port dialog box- PoE tab PoE tab items page 176 describes the PoE tab items PoE tab itemsPoE tab items Description IP notation System conﬁguration using the CLIIp address command parameters and variables Ip address commandAssigning and clearing IP addresses No ip address command Default ip address commandDefault ip netmask command No ip netmask commandNo ip default-gateway command Ip default-gateway commandIp default-gateway command parameters and variables Show ip command Default ip default-gateway commandShow ip address command parameters and variables Show ip address commandShow ip command output Show ip address command outputPing command is executed in the User Exec command mode Ping commandPinging Using DNS to ping and telnet Resetting the switch to default conﬁgurationShow ip dns command Ping command Ip name-server command Ping command responsesShow ip dns command output Show ip dns commandThere is no default value for this command Ip name-server commandIp domain-name command No ip name-server commandIp name-server command parameters and variables No ip name-server command parameters and variablesDefault ip domain-name command No ip domain-name commandConﬁgure network command Conﬁguration ManagementShow conﬁg-network command Conﬁgure network commandConfigure network command is executed in the User Exec mode Conﬁgure network command parameters and variablesShow conﬁg-network command Show running-conﬁg command Copy running-conﬁg tftp command Show running-conﬁg commandShow conﬁg-network command output Ascii Conﬁguration GeneratorShow running-conﬁg command output Copy running-conﬁg tftp commandShow terminal command Setting the terminalTerminal command Show terminal command Terminal commandTerminal command is executed in the User Exec mode Show cli commandTerminal command parameters and variables Show cli command is executed in the User Exec command modeShow cli command output Syntax for the show sys-infocommand isDisplaying system information Boot command Setting boot parametersIp bootp server command Ip bootp server command parameters and variablesDefault ip bootp server command No ip bootp server commandSetting Tftp parameters Tftp-server command Show tftp-server commandCopy conﬁg tftp command Copy tftp conﬁg command Tftp-server command parameters and variablesDefault tftp-server command No tftp-server commandCopy conﬁg tftp command Copy conﬁg tftp command parameters and variablesCopy tftp conﬁg command parameters and variables Copy tftp conﬁg commandCustomizing the opening banner Show banner command Banner command for displaying bannerShow banner command parameters and variables Describes the parameters for the banner commandShow interfaces command No banner commandShow interfaces command Show interfaces conﬁg command Displaying the ARP tableShow interfaces names command output Show interfaces command parameters and variablesShow interfaces command output Show interfaces verbose command output Show interfaces conﬁg commandWrite memory command Copy conﬁg nvram commandShow interfaces conﬁg command output Saving the conﬁguration to NvramShow autosave command Save conﬁg commandEnabling and disabling autosave No autosave enable command Autosave enable commandDefault autosave enable command Show autosave command has no parameters or variablesShow sntp command No sntp enable command Sntp enable commandSntp server primary address command Show sntp command outputNo sntp server command Sntp server secondary address commandDefault is No sntp server command parameters and variablesSntp sync-interval command Sntp sync-now commandSyntax for the sntp sync-nowcommand is Sntp sync-interval command parameters and variablesDefault sntp command Setting local time zoneDefault sntp command parameters and variables Clock time-zone No clock time-zone Clock summer-timeClock time-zone Clock time-zone command parameters and variablesNo clock time-zone Clock summer-timeNo clock summer-time Clock summer-time command parameters and variablesShow clock time-zone Enabling Autopology Autotopology command No autotopology commandShow clock summer-time Show clock time-zone outputNo autotopology command Autotopology commandDefault autotopology command Show autotopology settingsShow autotopology settings command output Conﬁguring Lldp using the CLIShow autotopology nmm-table command output Show autotopology nmm-table32768 Lldp commandLldp conﬁg-notiﬁcation command Default lldp commandDefault lldp command parameters and variables Lldp conﬁg-notiﬁcation command parameters and variablesDefault lldp conﬁg-notiﬁcation command No lldp conﬁg-notiﬁcation commandSpecifies the ports affected by the command No lldp tx-tlv command Lldp tx-tlv commandLldp tx-tlv command parameters and variables No lldp tx-tlv command parameters and variablesLldp status command Default lldp tx-tlv commandDefault lldp tx-tlv command parameters and variables Default lldp status command No lldp status commandLldp status command parameters and variables No lldp status command parameters and variablesDefault lldp status command parameters and variables Show lldp commandShow lldp command is executed in the User Exec command mode Show lldp command parameters and variablesShow lldp mgmt-sys-data command output Show lldp local-sys-data command outputShow lldp port command parameters and variables Show lldp port commandShow lldp stats command output Show lldp port neighbor-mgmt-addr command output Show lldp port neighbor command outputShow lldp port tx-stats command output Show lldp port rx-stats command outputConﬁguring LEDs to blink on the display panel Show lldp port tx-tlv command outputUpgrading software Download command Download commandSyntax for the download command is Download command parameters and variablesDownload message System conﬁguration using the CLI Shutdown command for the port Ethernet port management usingShutdown command for the port No shutdown command Shutdown port command parameters and variablesNo shutdown command parameters and variables No shutdown commandShutdown port command output Name command No name command Default name command Name commandNaming ports Default name command No name commandNo name command parameters and variables Default name command parameters and variablesSpeed command Setting port speedDefault speed command parameters and variables Default speed commandDefault duplex command Duplex commandDefault duplex command parameters and variables ﬂowcontrol commandﬂowcontrol command parameters and variables Enabling ﬂow controlNo ﬂowcontrol command parameters and variables No ﬂowcontrol commandDefault ﬂowconrtol command parameters and variables Default ﬂowcontrol commandEnabling rate-limiting Rate-limit command Show rate-limit commandRate-limit command parameters and variables Show rate-limit command outputDefault rate-limit command No rate-limit commandEnabling Custom Autonegotiation Advertisements Cana Show auto-negotiation-capabilities command Show auto-negotiation-advertisements commandShow auto-negotiation-advertisements command output Enter ports for which you want the currentAuto-negotiation-advertisements command Default auto-negotiation-advertisements command No auto-negotiation-advertisements commandEnter ports for which you want to set default Viewing Unit information Conﬁguring the switch using Device ManagerUnit tab To open the Rate Limit tab, use the following procedureRate Limit tab To open the Unit tabRate Limit tab Following table describes the Rate Limit tab ﬁeldsRate Limit tab ﬁelds Field Description Rear Ports Mode tab Following table describes the Rear Port Mode tab itemsRearPortOperMode To open the Globals tab, use the following procedure Viewing switch IP informationGlobals tab Following table describes the Globals tab ﬁeldsFollowing table describes the Address tab ﬁelds Addresses tabGlobals tab ﬁelds Field and MIB Description Association Edit IP dialog box IP Address tabFollowing table describes the ARP tab ﬁelds ARP tabEdit IP dialog box ARP tab ARP tab ﬁelds Field DescriptionFollowing table describes the TCP tab ﬁelds TCP tabTCP tab TCP tab ﬁelds Field DescriptionUDP Listeners tab TCP Connections tabTCP Connections tab ﬁelds Field Description UDP Listeners tab ﬁelds Field Description Editing the chassis conﬁgurationEdit Chassis dialog box System tab System tabSystem tab ﬁelds Field Description Following table describes the System tab ﬁeldsBase Unit Info tab Base Unit Info tab ﬁelds Field Description Following table describes the Base Unit Info tab ﬁeldsStack Info tab Value is 4th flr wiring closet in blg aEdit Chassis screen-Stack Info tab Stack Info tab ﬁelds Field Description264 Conﬁguring the switch using Device Manager Agent tab Edit Chassis dialog box Agent tab Following table describes the Agent tab ﬁeldsAgent tab ﬁelds Field Description Following table describes the PowerSupply tab ﬁelds PowerSupply tabEdit Chassis dialog box PowerSupply tab Power Supply tab ﬁelds Field DescriptionFollowing table describes the Fan tab ﬁelds Fan tabEdit Chassis dialog box Fan tab Edit Chassis dialog box Banner tab Banner tabTo disable the banner To set the default banner, use the following procedureTo check that the banner is disabled Telnet window with default bannerCustom Banner tab To create a Custom Banner, use the following procedureEdit Chassis dialog box Custom Banner tab FileSystem dialog box Working with conﬁguration ﬁlesFileSystem Conﬁg/Image/Diag ﬁle dialog box ﬁelds FileSystem Conﬁg/Image/Diag File tab dialog boxAscii conﬁg ﬁle File system Ascii Conﬁg File dialog box Save Conﬁguration tabAscii Conﬁg File tab ﬁelds Field Description Save Conﬁg tab Following table describes the Save Conﬁguration tab ﬁeldsSave Conﬁguration tab ﬁelds Field Description Conﬁguring Sntp Working with SntpSNTPClock dialog box SNTPClock dialog box ﬁelds Field Description Following table describes the Sntp dialog box ﬁeldsConﬁguring daylight savings time using the device manager Conﬁguring local time zone using the device managerTo view topology information, use the following procedure Displaying topology information using Device ManagerTopology tab Topology tab Topology Table tabTopology Table tab Diagnostics dialog box Topology tabTopology tab ﬁelds Field Description Diagnostics dialog box Topology Table tab Conﬁguring Lldp using Device ManagerFollowing table describes the Topology Table tab ﬁelds Lldp Globals tabLldp dialog box appears with the Globals tab displayed Lldp Globals tabLldp Globals tab Lldp Globals tab ﬁelds Field Description 284 Conﬁguring the switch using Device Manager Port tab Following table describes the Port tab ﬁelds Click the Port tab. The Port tab appearsPort tab ﬁelds Field Description TX Stats tab Following table describes the TX Stats tab ﬁelds Graphing Lldp transmit statisticsTX Stats tab TX Stats tab ﬁelds Field DescriptionFollowing table describes the RX Stats tab ﬁelds RX Stats tabRX Stats tab ﬁelds Field Description 290 Conﬁguring the switch using Device Manager Local System tab Graphing Lldp receive statisticsLocal System tab appears Following table describes the Local System tab ﬁelds Local Port tabLocal System tab Local System tab ﬁelds Field DescriptionLocal Port tab ﬁelds Field Description Following table describes the Local Port tab ﬁeldsFollowing table describes the Local Management tab ﬁelds Local Management tabLocal Management tab Local Management tab ﬁelds Field DescriptionNeighbor tab Neighbor tab ﬁelds Field Description Following table describes the Neighbor tab ﬁeldsNeighbor Mgmt Address tab Neighbor Mgmt Address tab ﬁelds Field Description Neighbor Mgmt Address tabFollowing table describes the Unknown TLV tab ﬁelds Unknown TLV tabUnknown TLV tab Unknown TLV tab ﬁelds Field DescriptionOrganizational Deﬁned Info tab Organizational Deﬁned Info tabOrganizational Deﬁned Info tab ﬁelds Field Description Field Description 302 Conﬁguring the switch using Device Manager Viewing and editing a single port conﬁguration Conﬁguring ports using Device ManagerInterface tab for a single port Interface tab ﬁelds Interface tab ﬁeldsPort dialog box Interface tab Interface tab ﬁelds for a single port Field Description To view or edit the conﬁgurations of multiple ports Viewing and editing multiple port conﬁgurationsInterface tab for multiple ports Interface tab for multiple portsInterface tab ﬁelds for multiple ports Field Description 310 Conﬁguring ports using Device Manager Administrative options available to you are Administering the switch using web-based managementViewing system information System Information Quick StartSystem Information page items Description Quick Start Items on the Quick Start Section Description Conﬁguring system securityFrom the main menu, choose Administration Reset Rebooting the Ethernet Routing Switch 2500 SeriesReset warning message displays Reset page messageLogging out of the management interface Reset to Default page messageLogout message Administering the switch using web-based management Conﬁguring BootP, IP, and gateway settings Conﬁguring the switch using web-based managementSwitch conﬁguration options available to you are IP page items Section Range Description Following table describes the items on the IPSection Range Description Conﬁguring BootP, IP, and gateway settingsModifying system settings System page items Range Description To conﬁgure system settings, use the following procedureType information in the text boxes Click Submit Conﬁguring switch port statusRange Description Port Management Following table describes the items on the Port ManagementClick Submit Port row of your choice, select from the listsHigh Speed Flow Control Conﬁguring high speed ﬂow controlHigh Speed Flow Control page items Range Description To download a switch image, use the following procedure Downloading switch imagesSoftware Download Software Download page ﬁelds Fields Range Description Following table describes the ﬁelds on the Software Download100 Mb/s port status LEDs ports 18 to Downloading Ascii conﬁguration ﬁlesAscii Conﬁguration ﬁle download page items Description Ascii Conﬁguration ﬁle downloadType information in the text boxes, or select from a list Conﬁguration File Setting items Range DescriptionParameters not saved to the conﬁguration ﬁle From the main menu, choose Conﬁguration Console/Comm Port Conﬁguring port communication speedConsole/Communication Port page items Conﬁguring Rate Limiting Conﬁguring Rate LimitingSelect from the list Rate Limiting Following table describes the items on the Rate LimitingRate Limiting page items Section Description Diagnosing and correcting problems TroubleshootingInterpreting the LEDs Diagnosing and correcting problems Normal power-up sequence Port connection problemsNormal power-up sequence Corrective actions Symptom Probable cause Port connection problemsAutonegotiation modes Port interface DB-9 Console port connector Appendix a DB-9 RS-232-D Console/Comm Port connectorRing indicator not used Pin number SignalFactory default settings Field Default setting Appendix B Default settingsField Default setting Pvid Packet Type Both Snooping Disabled Field Default setting Field Default setting Field Default setting Appendix B Default settings Appendix C Sample BootP conﬁguration ﬁle Appendix C Sample BootP conﬁguration ﬁle CLI command list Command Appendix D Command ListSecurity Configuration and Management Nortel Ethernet Routing Switch Default tftp-server command Configuration IP Multicast NN47215-503 Ip default-gateway command No autosave enable command No banner command No logging remote level No snmp-server No tftp-server command Save config command Show banner command Show poe-port-status command Show running-config command Show terminal command Show tftp-server command Snmp-server host host-ip port Spanning-tree mstp max-hop 100 Terminal command Vlan create Appendix D Command List Parameter Operating specification Storage specification AC power speciﬁcationsAppendix E Technical speciﬁcations Environmental speciﬁcationsPerformance speciﬁcations Physical dimensionsNetwork protocol and standards compatibility Electromagnetic emissions Safety agency certiﬁcationElectromagnetic immunity Index Index Eeprom 132Gbic Viewing 129 No banner command No autotopology commandIndex Index Sntp 68, 68, 208 181Software version requirements Unix Index Index Page Overview System Conﬁguration