3Com 3500 manual Quality of Service QOS and Rsvp

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744CHAPTER 22: QUALITY OF SERVICE (QOS) AND RSVP

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Contents Command Reference Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents System console security access System console timeout timeOutSystem serialPort terminalSpeed System serialPort serialPortModeSystem nvData reset System sntp displaySystem sntp remove Module baseline displayManagement ip rip statistics Management ip advancedPingEthernet paceAccess Part IV Physical Port ParametersPart V Bridging Parameters Bridge cos summaryVirtual Lans Vlans Bridge packetFilter unassign Ip interface icmpRouterDiscoveryIp arp display Ip vrrp statistics Ip multicast dvmrp tunnels summaryIp multicast igmp interface summary Ip multicast cacheIp ospf linkStateData summary Ip ospf virtualLinks statisticsIpx server static Ipx rip policy summaryIpx statistics summary Ipx statistics sapAppletalk interface summary Appletalk sourceSocketQos rsvp enable Qos classifier summaryQos classifier detail 3Com Knowledgebase Web Services Analyzer displayPage CoreBuilder SuperStack II Switch Platforms Covered in This DocumentPlatform Release About command syntax, field descriptions, default values, Help you to understand the commandsMaterial about why or when to use a particular command. For Information about troubleshooting and networking tasks, seeFinding Specific Information in This Guide Command description begins at the top of a page. a command Full command namePlatforms on which this command is valid Short description of the purpose of the commandRecommendations For Entering Commands Throughout this guideIcon Description Convention Description Include the following information when commenting Documentation more useful to youPlease send e-mail comments about this guide to Document titleAbout this Guide Administration Overview Command Summary Page Administration Console Overview CoreBuilder 9000 Management FeaturesConfiguration Tasks Accessing the Administration ConsoleManagement Controller EMC functions, such as login table Management featuresAdministration Console Use the Administration Console to manage the CoreBuilderSee the Web Management User Guide for the CoreBuilder PSU Intelligent Power Management Manages power use EME OverviewChassis Management Architecture Provides a cost-efficient Type Command Top-Level Menus Tasks Password Access LevelsAll modules use subslot System displays a prompt similar to the followingAdminister Access Example Write Access Example Read Access ExampleStructure diagrams at the beginning of most chapters show Your system supports the commandLayer 2 switching module is installed Entering a Command String Menu options are not case sensitiveEntering Abbreviated Commands To accept the default or current value, press EnterEntering Values in Command Strings Enter q Gives an overview of all the commands in this book Command SummaryPart II System-Level Functions System Environment Command Summary Module redundancy reset NonRedundant module name Script logoutCh 4 Module Environment Module displayManagement summary management detail management ip Ch 6 Snmp Part IV Physical Port Parameters Ch 7 Ethernet PortsEthernet summary Ethernet detail Ethernet autoNegotiation Ch 8 Fddi Fddi station displayFddi mac path fddi port display Part V Bridging Parameters Ch 9 Bridge-wide Parameters Bridge displayBridge multicast igmp summary Ch 10 Bridge Ports Ch 11 Trunks Ch 12 MultiPoint Link AggregationCh 13 Resilient Links Ch 14 Virtual LANs VLANs Ch 15 Packet FiltersPart VI Routing Protocols Ch 16 IP Command Summary Ip rip password Ip rip addAdvertisement Ch 17 VrrpCh 18 IP Multicast Ip multicast traceRouteCh 19 Ospf Ip ospf areas displayCommand Summary Ch 20 IPX Ipx server secondaryIpx forwarding ipx rip mode ipx rip triggered Ipx sap triggeredIpx secondary Ch 21 AppleTalk Part VII Traffic Policy Ch 22 Quality of Service and Rsvp Log display Log devices Log services Part Viii Monitoring Ch 23 Event LogCh 24 Roving Analysis Command Summary System Environment Module Environment Page System Environment System Environment System display Valid Minimum AbbreviationImportant Consideration Fields in the System DisplayPrompt Description Possible Values Default System fileTransferOptions File transfer File transfer protocol forEnter Web URL where the Web Help Installation Are locatedSy co w Options System console consoleAccess System console ctlKeys Access level PasswordImportant Considerations Logging on to the systemMost terminal screens are 24 lines high Displays a summary of trusted IP client information Fields in the System Console Security DisplayNot a trusted client Trusted IP address IP address of the trusted IP client MaskSystem console security define IP address IP address of the interface Chosen from the rangeSpecified IP Trusted IP Client indexTo remove All Client ? for a list of selectable indexesSystem console security access Current deny message NetworkSystem console timeout timeOut Telnet Timeout interval Minutes Interval System snapshot summary System snapshot detail Tftp Procedure 3900 9300FTP Procedure 3500 Only Loads a new revision of system software Host IPSy b d Resets the baseline counters to zero System baseline setSystem baseline Enables or disables a baseline RequestedState Valid Minimum AbbreviationProcedure Local Connection TerminalProcedure IP Interface Enter the terminal speed setting for the terminal portSystem serialPort modemSpeed Sets the baud rate of your system serial port New valueSystem serialPort baudRate Procedures Procedure Sy se e System name Mean Time Dst If you enter y to the prompt, a sub-menu appears thatUser specified option for start and end dates If you enter n, you are returned to the Time menuSystem time datetime Sets the system’s date and time Format DescriptionIndex That you want to configure System time timezoneTime zone System Time Timezone Example 14 GMT+100 CET/FWT/MET/MEWT/SWTSystem time dst Sets daylight savings time Format for option 5 is ccyy-mm-ssThhmmssEnter a daylight saving time option System nvData save Important Considerations TftpImportant Consideration FTP and Tftp Optionally, enter a label for the file ExamplePrevious IP System nvData save You may not want to reboot System reboots after eachReset Continue?For example If you enter y, the system displays the following messagesSy nv e System nvData reset Do you wish Confirmation of the resetContinue? To reboot because resetting So the system reboots afterSystem clearDiagBlock System diagErrLog Field Description Configuration Information System sntp displayDisplays Simple Network Time Protocol Sntp information Fields in the System Sntp DisplaySystem sntp define Server’s IPValid IP address Address Sntp database Except System sntp modify System sntp remove Sntp state Whether you want to Disabled System sntp stateRequest poll Seconds, the poll interval 3600System sntp tolerance Time Time threshold value, Seconds 900 ToleranceLocal system time System reboot Reboots the systemReboot Confirmation that you want to System? Yes Valid Minimum Abbreviation Important Considerations Example Script Press Escape to return to the top level before you log out Module Environment Module Environment Switching Fabric This module 3C number Module displayFields in the Module Display Port GigabitYou use the snapshot feature Module snapshotSummary Detail display imagesModule snapshot detail Displays when the current baseline was last set Module baseline set Enables or disables a baseline Possible Prompt Description Values Default Module redundancyMo nam Module Time Example Most terminal screens are 24 lines Module nvData reset Necessary after each resetPrompts Do you wish Confirmation promptPerforms an emergency download Displays emergency download information for your module Module nvData staging 3500 9000 9400 Module diagErrLog Module reboot Reboots the specified moduleEnterprise Management Engine EME module You from a Telnet sessionEstablishing Management III Access Page OUT-OF-BAND Management OUT-OF-BAND Management Fields in the Management Summary Display That sets the port mode on Ethernet ports that have port Mode options. If autonegotiation is enabled, port modeReqPortMode Values are ignoredManagement detail Fields in the Management Detail DisplayDefault is enabled Port was disabledLateCollisions MacAddress MAC address of this port MultiCollisionsPeriods are 1 second long not configurable RxUnicastsTo a higher-level protocol or application Port during the most recent sampling period. SamplingFields in the Management IP Interface Summary Display IP address IP address of the out-of-band Interface, chosen from Range of addresses thatCommand Removes an IP management interface if you no longer need it Management ip route display Fields in the Management IP Route Display Status for RoutesValue Description Defines a static route Deletes an existing route Destination IPIp ro fl Adds a default route to the routing table immediately Deletes the default route Searches for a route in the routing table IP address or IP address that isFields in the Management IP ARP Display Defines a static ARP cache entry on the system You can define up to 128 static ARP entriesManagement IP ARP Static Example Management ip arp remove Deletes all entries from the ARP cache Ip ar flushD Index Index number of the interface RIP-1 mode Default, advertise, and enabledRIP-2 mode Fields in the Management IP RIP DisplayRIP mode Learn Current Value Advertise EnabledIP interfaces Which you want to set the RIPManagement IP RIP Mode Example Displays general RIP statistics Fields in the Management IP RIP Statistics DisplayTo interrupt the command, press Enter Management ip pingManagement IP Ping Example Management ip advancedPing Enabled, the system displays Disabled, the system displaysDisabled disabled Enabled Time between Period . upon receiving an IcmpManagement IP Advanced Ping Example Ip t Management IP Trace Route Example Ip traceRouteWait Wait interval in seconds that Management IP Advanced Trace Route Example TTL value Fields in the Management IP Statistics Display Fields in the Management UDP Statistics Display Fields in the Management Icmp Statistics DisplayOutAddrMasks SentNumber of Icmp time stamp reply packets that were sent OutTimeStampsSnmp Simple Network Management Protocol Snmp Snmp display Fields in the Snmp DisplaySnmp community Sets two Snmp community strings read-only and read-writeSnmp Community Example Snmp trap display Fields in the Snmp Trap DisplaySnmp trap addModify Snmp Trap addModify Example Snmp trap remove Snmp trap flush Removes all Snmp trap reporting destinationsSnmp trap SmtProxyTrapsFddi station statistics TransmitAndReceive Setting Snmp writeDisable Allows or disallows Snmp write requestsEthernet Ports Fiber Distributed Data Interface Fddi Page Configure Ethernet ports in your system This chapter shows whether your system supports the commandEthernet summary Fields in the Ethernet Summary Display To display summary information about Ethernet ports, enter VendorName3500 Ethernet detail Fields in the Ethernet Detail Display Control valueAlignmentErrs 3900 Bytes Layer 2, 9300 9400 PaceAccess Config-error.The value on-lineappears when the portIs both enabled and connected to a cable. The value Partitioned appears when the port has been disabled byError during reception RxInternalErrsStation was last initialized This port to a higher-level protocol or applicationError during transmission From this port by a higher-level protocol or applicationFrames not transmitted successfully Want to enable or disable DisableAutonegotiation Ethernet portMode Selected Earlier in this 100half Section 100BASE-FX Setting Each of the ports that you Selected Ethernet flowControlOff RxOn TxOn Flow Control Settings Setting Description Port TypeAvailable on Ethernet paceAccess That you selectedEthernet paceInteractiveAccess Ethernet label Ethernet portState Valid Minimum Abbreviation Important Consideration Ethernet monitoring mode Fiber Distributed Data Interface Fddi Fddi station display Fields in the Fddi Station DisplayBit to Set for Rejecting a Station Connection Port B has precedence with defaults for Connecting to a Port MWith defaults for connecting to a Port M Management CFM. In a single MAC nodeFddi station tNotify All Enabled Fddi path display Displays Fddi path informationFields in the Fddi Path Display Fddi path tvxLowerBound Fddi path tmaxLowerBound Fddi path maxTreq Microseconds Ring’s operational token Rotation time, TOprFddi mac summary Fields in the Fddi MAC Summary DisplayFddi mac detail Fields in the Fddi MAC Detail DisplayOr application. Does not include frames that were not Received into receive buffers, such as missed framesHigher-level protocol or application Enabled or the Fddi ring was not operational This MAC can supportHas expired TvxValueModules All Fddi mac notCopiedThreshold Fddi mac llcService Fddi mac path Sets the path assignment for MACsError estimate Fddi port displayFields in the Fddi Port Display LctFailCountFddi port lerAlarm Fddi port lerCutoff Fddi port label IdentificationFddi port path Fields in the Fddi Station Mode Display Fddi port numbers change, depending onStationMode To a specific portYou want the stationMode Changes to take effectFiber Distributed Data Interface Fddi Bridging Parameters Bridge-Wide Parameters Bridge Port ParametersPage BRIDGE-WIDE Parameters Bridge display Valid Minimum Abbreviation Fields in the Bridge DisplayConfiguration messages when the bridge is the root Assigned to it by the root bridge. The default value isTo discard the stored configuration message when it is Seconds. To configure the bridge maximum age, seeStpState Whether the Spanning Tree Protocol is enabled or Later in this chapter. STP is also configured on aBy the root bridge. Compare with the bridgeMaxAge FieldEnabled enabled Disabled Bridged to EthernetVersa from Fddi to Ethernet Options IpxSnapTranslation Snap Translation when Ethernet and Fddi linksBridge addressThreshold To disable 300 10 1,000,000 seconds Bridge agingTimeAging time Maximum period Dynamically learnedRemoved Disabled Default, or Current value Enabled Disabled Default, or Current valueStpState Bridge spanningTree stpPriority Bridge spanningTree stpMaxAge Bridge spanningTree stpHelloTime Bridge spanningTree stpForwardDelay Bridge spanningTree stpGroupAddress Enable Disabled For the entire bridge Bridge gvrpStateGvrp state Bridge cos enable Bridge cos summary Fields in the Bridge CoS Summary DisplayBridge cos modify Fields in the Bridge Multicast Igmp Summary Display Function to operateIgmp query source IP Address Messages if it is elected as the Igmp querierBridge multicast igmp snoopMode Bridge multicast igmp queryMode Bridge multicast igmp queryIpAddress 3500 9000 Fields in the Bridge Multicast Igmp Groups Display Valid Vlan ID 1 Default Vlan VID For which you areID number of the Vlan Ports that lead to IPMulticast routers Bridge multicast igmp qPort Bridge Port Parameters Bridge port summary Fields in the Bridge Port Summary DisplayPort number depending on your system configuration For example, when you define a trunk, only the anchorDisabled for the bridge Disabled Management has disabled the port orEnabled, the port STP configuration options are Enabled STP sets the operating state of the portTopology characteristics. This is the default Configuration for all portsBridge port detail Fields in the Bridge Port Detail DisplayTo configure port priority values, see bridge port Designated port when more than one bridge port isRxErrorDiscs StpCost in this chapterOption, see bridge port multicastLimit in this chapter RxMcastLimitTypePort multicastLimit in this chapter RxNoDestDiscsIf bridge-wide STP is disabled, this port STP setting is Forwards all frames. To configure STP on a port, seeLearning Similar to listening, but the bridge Meaningless as long as its link state is up, the portTxFrames Number of frames that this port transmitted to its For a protocol that the local bridging function isProcessing includes bridge management frames TxMcastFiltersBcastOnly Broadcasts only McastBcast MulticastsEnabled Enabled factory Disabled Bridge port stpStateSTP state Specified portsBridge port stpCost Po stpp Bridge port gvrpState Vlan Valid bridge Port numbers All ? to display a Port summaryBridge port address add Removes individual MAC addresses from the address table MAC address that you want to Valid MAC Address RemoveBridge port address find Bridge port address flushAll Bridge port address flushDynamic Trunks Trunks Fields in the Bridge Trunk autoMap Summary Display Bridge trunk autoMap enable/disable Bridge trunk autoMap test You can select all or one trunk Bridge trunk detail Fields in the Bridge Trunk Detail DisplayWhether Tcmp is enabled or disabled for the trunk Bridge trunk define Than one FastEthernet GigabitEthernet 10/100BASE-TX 1000BASE-SX ? for a list of selectable Media typesPorts that you want to be Part of the trunkTrunk configuration FlowTrunk Control Message Following functionsBridge Trunk Define Example Example shows a define operation that creates two trunksBridge trunk modify Changes a trunk in either of two waysBridge trunk modify Ports Enabled Disabled Factory Default, or Current Deactivation of trunkFast Ethernet, Gigabit Ethernet, or Fddi Bridge Trunk Modify Example Bridge trunk remove Bridge Trunk Remove Example Trunks Mpla Peer Switch Interface State Port on the other peer switch in the Mpla coreBridge mpla summary Describes the state of the multipoint aggregated linkBridge mpla detail Fields in the Bridge Mpla Detail DisplaySwitch Use only CoreBuilder 9400 systems as Mpla core switchesUse only Switch 3900 devices as edge switches Switch, for added bandwidthBridge mpla mode 9000 Input format for this MAC address isResilient Links Fields in the Bridge Link Summary Display PairBridge link detail Fields in the Bridge Link Detail DisplayBridge link define Bridge link define Bridge link linkState Resilient linkIndex Link that you want to modify LinkState Bridge link activePort Valid Minimum Abbreviation OptionsBridge link modify Character string that has Embedded spaces Main port Defined resilient linkRemoving a link requires that you reboot the system Bridge link removeBridge Link Remove Example Virtual Lans Vlans Bridge vlan summary Valid Minimum AbbreviationsFields in the Bridge Vlan Summary Display Index System-assigned index number that identifies a VlanYou specify Static The Vlan was created statically user-configured By using the bridge vlan define commandInterface using the ip interface define command with System in allClosed modeBridge vlan detail Field Description Ignore STP mode VLAN. The default Vlan always uses the nameFields in the Bridge Vlan Detail Display Statistics appear for the Vlan that you specifyUser-configured by using the bridge vlan Define commandCreate a router port IP interface using the ip Interface define command with the interfaceAllClosed mode Nor can you change the VID of the default VLAN.Default Vlan requires a VID Compatibility mode for VLANs configured prior toBridge vlan define 3500/9000 Layer Virtual Lans Vlans If the default Used by managementOperations Vlan existsDECnet VinesYes Layer None802.1Q Up to 32 Ascii Characters or Spaces IP Vlan Bridge Vlan Define Example 9000 LayerBridge Vlan Define Example 3500 9000 9400 3900 9300 Configure the per-port tagging Bridge Vlan Define Example 9000 Layer Bridge vlan modify 3500/9000 Layer Vlan interface index Selectable Vlan If you have That identifies a Vlan IndexCommands Protocol suiteApple for AppleTalk UnspecifiedBridge Vlan Modify Example 9000 Layer Bridge Vlan Modify Example Bridge vlan modify 3900/9300/9400/ 9000 Layer Are available to Be assigned to Vlan All Yes Tag type Vlan nameUp to 32 Ascii Current Characters or Name Spaces Bridge Vlan Modify Example 9000 Layer Bridge vlan remove Deletes a Vlan definitionBridge Vlan Remove Example Interface Is associated with the Vlan Index ContinueBridge vlan mode Select a Vlan mode as followsBridge Vlan STP Mode Example Bridge vlan stpModeBridge vlan vlanAwareMode Bridge Vlan Aware Mode Example Virtual Lans Vlans Packet Filters Packet Filters Lists the currently defined packet filters Bridge Packet Filter List ExampleDisplays the contents of the specified packet filter Sample Bridge Packet Filter DisplayBridge Packet Filter Create Port Group Example This example shows the user creating the portGroup filterCreates a custom packet filter using the built-in editor Create Custom Bridge Packet Filter Example Deletes the selected packet filter Bridge Packet Filter Delete ExamplesModifies an existing packet filter using the built-in editor Replace Existing Filter Example Store as New Filter ExampleSyntax of the EME download command is Bridge Packet Filter Load Example Prompt DescriptionCurrent IP Name lastUser next connects to the module and loads the filter CB9000 connectBridge packetFilter assign Bridge Packet Filter Assign Examples Select paths Identifier Path to which youTxA TxMUnassigns selected packet filter from one or more ports Bridge Packet Filter Unassign Examples Unassignment is from the transmit all txA paths on portBridge Packet Filter Port Group List Example Displays a port group Sample Bridge Packet Filter Port Group DisplaySelect port 3500 9000 Bridge Packet Filter Port Group Create Example PortGroup delete Deletes a selected port group Bridge Packet Filter Port Group Delete ExampleAdds ports to an existing port group Bridge Packet Filter Port Group Add Port ExamplesRemoves ports from a port group Bridge Packet Filter Port Group Remove Port ExamplesDisplaying port group 2 shows that port 6 is removed IP Multicast AppleTalkPage Internet Protocol IP Internet Protocol IP 397 Ip interface summary Fields in the IP Interface Summary Display Host portion of the address is enabled or Disabled for the specified interface. a directedIp interface detail Fields in the IP Interface Detail DisplayPreference Whether there is a preference being used for Preference levelAs the network number, the subnetwork number, To a 0 is in the host part of the IP addressIP Interface Detail Example Defines an IP interface IP address IP address of the interface, chosen From the range of addresses that RangeAddresses that Index forIP Interface Define Example Port-based Routing IP Interface Define Example VLAN-based RoutingDefines an IP interface 3900/9300/9400Layer IP Interface Define ExampleIp interface modify Vlan index ValueIp interface remove Removes an IP interface from the system’s routing tableIp interface arpProxy IP Interface ARP Proxy Example IP interfaces Index number Interfaces to which you More than one interfaceIP Interface Directed Broadcast Example Ip interface icmpRedirect Disabled Current Value FrameNot applicable if you have Icmp redirect Whether you want to StateIcmp router discovery can be set on a per-interface basis Hex Bit signed 231to Twos-complement integer that 1800Holdtime Advertisements are held valid IP Interface Icmp Router Discovery Example Ip interface statistics Displays IP interface statistics on a per-interface basisFields in the IP Interface Statistics Display Than Or bothIp route display Options 3500 onlyFields in the IP Route Display 3500 9000 9400 3900 9300 Ip route r Ip route flush Deletes all learned routes from the routing tableIp route default Ip route n Ip route findRoute Ip arp display Fields in the IP ARP DisplayIP ARP Static Example Ip arp remove Ip arp flushAll Ip arp flushDynamic Ip ar a Resolution Protocol ARP event occurs Ip arp statisticsSystem supports baselining for ARP statistics Fields in the IP ARP Statistics DisplayResolution Was downARP request ARP replyIp dns display Fields in the IP DNS DisplayChanges the name of a currently defined domain Characters long Valid domain nameOr current name Like the following Index number to modify or remove this IP addressIp dns modify Modifies a currently defined name server IP addressName server IP Address that youDeletes a previously defined name server IP address Want to removeSelectable server Index number ? for a list Indexes Ip dns nslookup Ip udpHelper display Fields in the IP udpHelper DisplayIp udpHelper define Ip udpHelper remove DeletionIp udpHelper hopCountLimit By default, there is no threshold Ip udpHelper interface first Ip udpHelper interface even Ip udpHelper Interface sequentialInterfaces sequentially By default, IP routing is disabled on the system Ip rip display 9000 only By default, enabled RIP-1 Mode State as off. Other modes are learn defaultFields in the IP RIP Display 9000 onlyIp rip mode IP RIP Mode Example Not Handles RIP 2 packets Updates Disabled Learn FactoryAdvertise Current Only Value Enabled 3500 only Compatibility mode Compatibility Compatibility mode that ModeHandles RIP-2 updates IP interfaces Index number of the interfacesOn a per-interface basis, sets the RIP cost Enables or disables RIP Poison Reverse mode on the system Enabled ValueIp rip poisonReverse Selected interfaceSent during a RIP Version 2 update Mode On the selected interface AllDisabled Enabled Current value Collapse route table entries for all subnets of a directlyIp rip password IP RIP Password ExampleAdds an advertisement address to an IP RIP interface Valid IP address Address List of advertisement addresses Ip rip remove Advertisement Ip rip policy summary Displays summary information about RIP routing policiesRoute policies are classified as follows Fields in the IP RIP Policy Summary DisplayIp rip policy detail Displays detailed information about RIP routing policiesFields in the IP RIP Policy Detail Display All interfacesIp rip policy define Defines an import or export route policy for RIP0.0 All + add SubtractRIP Import Policy Conditions for Specified Interfaces Source Route Router Address/mask Action DescriptionRIP Export Policy Conditions for Specified Interfaces Example of Import PolicyExample of Export Policy Source Protocol Router Action DescriptionIp rip policy modify Modifies an existing route policy for RIPProtocols Static route for export policies Export Only AllValues associated with the route Ip rip policy remove Deletes a previously defined route policyFields in the IP RIP Statistics Display Ip ping IP Ping Example Ip advancedPing Enabled Disabled Enabled Seconds Yes Selectable Interface index RouterSystem displays a period . upon Receiving an Icmp echo replayIP Advanced Ping Example Ip traceRoute IP Trace Route Example From which the probe packets Defined on the system4096 Bytes Yes Numeric mode Whether the system shows hop Disabled EnabledIP Advanced Trace Route Example TTL value Their indexesValid Minimum Abbreviation ip sta Options Fields in the IP Statistics DisplayFields in the UDP Statistics Display Fields in the Icmp Statistics DisplayOutDatagrams Number of UDP packets that the router sent Number of Icmp time stamp reply packets Vrrp Ip vrrp summary Fields in the IP Vrrp Summary DisplaySample IP Vrrp Summary Display Master, Backup, or Initialize state Fields in the IP Vrrp Detail DisplayAuth Whether the Vrrp router uses simple password IpTtlErrors Total number of Vrrp advertisements with IP TTLTo the Master state Vlan consider the Master down if two advertisementStopped participating in VRRP. Used to trigger backup Type Type of virtual router primary or backup VersionErrorsPriorityZeroTx That this virtual router has sent. The priority of zeroIpTtlErrors Sample IP Vrrp Detail DisplayIp vrrp define Defines a virtual router on the systemBackup Index number of an IP Virtual LAN Vlan that Define the virtualIP Vrrp Define Example Priority masterIp vrrp modify Modifies an existing virtual routerBackup Auto-learn Router IndexesIP Vrrp Modify Example Vrid VidxIp vrrp remove IP Vrrp Remove ExampleEnables or disables a configured virtual router IP Vrrp Mode ExampleVirtual router identifier Identifies the virtual routerMaster or Backup router Ip vrrp neighborDisplays a list of neighboring virtual routers Fields in the IP Vrrp Neighbor DisplayVriderrors Displays general Vrrp statistics for the virtual routerFields in the IP Vrrp Statistics Display Number that this virtual router has receivedVirtual Router Redundancy Vrrp IP Multicast IP Multicast Fields in the IP Multicast Dvmrp Interface Summary Display Multicast Routing Protocol Fields in the IP Multicast Dvmrp Interface Detail DisplayNon-querier The interface is not functioning as Non-leaf The interface is a branch in the IPIp multicast dvmrp interface mode Modify the default Routing interface forIp multicast dvmrp tunnels summary Fields in the IP Multicast Dvmrp Tunnels Summary Display Ip multicast dvmrp tunnels define Interface Index number Interface on which you RemoteAddress Multicast tunnel end Point. Use standard Valid IP interface on a different system and subnetworkDeletes a Dvmrp tunnel end point from the system Ip multicast dvmrp tunnels address Valid Minimum Configuration Prompt Definition Possible Values DefaultTTL threshold Modifies the metric or cost of an existing Dvmrp tunnel Fields in the IP Multicast Dvmrp Route Display Fields in the IP Multicast Dvmrp Cache Display When there are no outgoing interfaces and when Listed on the leftRouting interface index number. a T precedes a tunnel After the index number indicates that a pruneFunction is activated and these values represent the cost Summarizes key information about Igmp interfaces Fields in the IP Multicast Igmp Interface Summary DisplayAs the Igmp querier, this field shows Self Interface detail Port informationFields in the IP Multicast Igmp Interface Detail Display Ip multicast igmp interface TTL Disabled Or current value Your selection applies to all interfaces in the systemReact to Igmp Packets and setQuery mode Can offer itself as aCandidate for Ip multicast cache Fields in the IP Multicast Cache Display Multicast group address Ospf Open Shortest Path First Ospf Ip ospf areas display Displays a list of existing Ospf areasFields in the IP Ospf Areas Display Backbone area 0.0.0.0 is configured by default Yes Factory Default, or Current valueArea ID must be unique for the autonomous system Description Possible Values Default 3500 9000 9400 3900 9300 Variable, based on You want to add to the area On addressRange class Whether to advertise area Yes RangeIP Ospf Areas Modify Range Example Variable, based on Current value Mask You want to modifyIp ospf areas removeRange Default router By default, the default route metric is not definedField in the IP Ospf Default Route Metric Display It entails more hops or less bandwidthDefines the default route metric for the router Route metric With the default route3500 9000 9400 3900 9300 Fields in the IP Ospf Interface Summary Display IP interface of the backup designated router BDR Fields in the IP Ospf Interface Detail DisplayAreaID Ospf area to which the interface belongs Ospf information is displayedThis router is not the designated router or backup BDR Router is the backup designated router onDesignated router Attached networkFields in the IP Ospf Interface Statistics Display On the interface are configured with a different dead MismatchDeadInterval than this router. This prevents the router from Becoming a neighbor with these other routersWhen an Ospf Hello packet is received and the packet When an Ospf Hello packet is received that has the sameWhen an Ospf database descriptor packet is received When processing an LSR packet, if the area is notNetwork whose configuration has not changed could When an Ospf database descriptor packet is transmittedProblems When an Ospf Hello, LSU, or LSAck is being sent as aEnables or disables Ospf on specified IP interfaces Assigns interface priority to the Ospf router One or more All factoryAssociates an interface with an Ospf area Assigns a cost to an Ospf interface Sets the Ospf interface transmit delay Transmit Delay in seconds that youIp ospf interface hello Sets the interface Hello intervalIp ospf interface retransmit Ip ospf interface dead Specifies the dead interval for an interfaceThey determine that Transmitting router is inactiveSets password security for an Ospf interface Ascii characters Default, orAll ? for a list Selectable Indexes Up to eight Ip ospf linkStateData databaseSummary Fields in the IP Ospf Link State Data Router Display LsidStub Net Network IP address mask ID number of the router that originated the LSAMetric Cost of the link Router ID Originating router ID Fields in the IP Ospf Link State Data Network Display For which you want to view Summary LSA informationLink State ID For type 3 summary LSAsFields in the IP Ospf Link State Data Summary Display Type 3 Destination network’s IP addressType 4 ASBR’s Ospf router ID Metric Cost to reach the network Network mask ForFields in the IP Ospf Link State Data External Display IP network numberData received from neighbor will attempt to contact Init Have recently seen Hello packet from neighborTwo-way Bidirectional communication has been EstablishedIp ospf neighbors add Adds a neighbor static IP address to an existing interface3500 9000 9400 3900 9300 Sets the Ospf router ID IP Ospf Router ID Example Interface Type IP Ospf Router ID Example Address TypePartition at the next reboot Means that Ospf has been set to use the default memoryMaximum size of the IP routing table at the next reboot Specific maximum partition size at the next rebootModifies the maximum memory that Ospf can allocate There are three choices for memory allocationBy default, the stub default metric is not defined Field in the IP Ospf Stub Default Metric DisplayIp ospf stubDefaultMetric define Ip ospf stubDefaultMetric remove Update packet over the virtual link Fields in the IP Ospf Virtual Links Summary DisplayDisplays detailed information about a virtual link Fields in the IP Ospf Virtual Links Detail DisplayFields in the IP Ospf Virtual Links Neighbor Display Ospf routers are being discarded due to authentication Fields in the IP Ospf Virtual Links Statistics DisplayIs not supported in the current implementation Down and reestablished When an Ospf Hello packet is received and the packet ReceiveLSU Creates a new virtual link to a destination router Description Possible Values Default To reach the target router 3500 9000 9400 3900 9300 Sets the virtual link transmit delay, in seconds Sets the virtual link Hello interval, in seconds Ip ospf virtualLinks retransmit Sets the virtual link dead interval, in seconds Password Sets password security for a virtual link Fields in the IP Ospf Policy Summary Display Type 1 as default. Only applicable to export policies Ip ospf policy detailFields in the IP Ospf Policy Detail Display Field Description Ip ospf policy define Defines import and export Ospf routing policiesPolicy type Type of policy Origin Protocols From which protocol the route Originated ImportExport Direct Sta static RipOspf Import Policy Conditions Route Address/mask Action DescriptionOspf Export Policy Conditions Export Policy Conditions for Direct RoutesProtocol Interface Action Description Example of Export Policy for a Directly Connected Interface Ip ospf policy modify Modifies an existing Ospf routing policyPolicy Sta static rip ValuePolicy action Accept or reject the route Valid IP AS external advertisement ASE, defined asWithout options Value Type Type ValueIP Ospf Policy Modify Example Routers Specified routersIp ospf policy remove Deletes Ospf routing policiesIp ospf statistics Displays general Ospf statisticsFields in the IP Ospf Statistics Display Open Shortest Path First Ospf IPX Display define modify remove SAPadvertising RIPadvertising IPX interface. When the system prompts you Ipx interface displayFields in the IPX Interface Display For this option, the menu identifies the availableIpx interface define Defines an IPX interfaceIPX Interface Define Example Changes the characteristics of an existing IPX interface Ipx interface modifyAvailable with 802.2, SNAP, 802.3/SNAPEthernetII 802.2 Format 802.2 LLC RAW802.3Ipx i r Controls whether the system advertises IPX services Controls whether the system advertises IPX routes Ipx route display Start0x0 0xffffffff Range You want to display routes Fields in the IPX Route Display Time the router sent a packetPackets to the segment. a node address of all Zeroes 00-00-00-00-00-00 means thatIpx route secondary Displays any secondary routes that are availableFields in the IPX Secondary Route Display Ipx route static Node address in the formatIPX Static Route Example Ipx route remove Deletes a route from the IPX routing tableIPX network Byte IPX network address 0x1 0xfffffffe Address Ipx route flush Ipx server display Service type Fields in the IPX Server DisplayTime a server in the table sent a packet Server. The maximum number isDefines a static IPX server Interface index Interface index number forIPX Static Server Example Service name Service name of the server Service type Deletes a server from the IPX server table? for a list of selectable names 0x1 0xffff Ipx server flush Ipx server secondary Displays any secondary servers that are availableFields in the IPX Secondary Server Display Ipx forwarding Controls whether the system forwards or discards IPX packetsTriggered RIP updates RIP allows the exchange of routing information on a NetWarePassive The system processes all incoming RIP packets Ipx rip triggered 3500 9000 9400 3900 9300 Ipx rip policy define Define a RIP Routing Information Protocol policyIPX RIP Policy Define Example Ipx rip policy modify Modify an existing RIP Routing Information Protocol policyStatic All Adjust the metric value, This IPX RIP Policy Modify ExampleSubtract\ Multiply Divide Ipx rip policy remove Remove an existing RIP Routing Information Protocol policyIf only one policy Ipx sap mode Ipx sa t Or Export apply the policy to advertised services Fields in an IPX SAP Policy Summary DisplayName Object name that assigned to the server Type All routesFields in an IPX SAP Policy Detail Display Define a SAP Service Advertising Protocol policy Ipx sap policy define0x0098 Parameter is valid only if Policy Type is set to Export AllMatch the same service. a Enter up to 6 hex charactersIPX SAP Policy Define Example Modify a SAP Service Advertising Protocol policy Ipx sap policy modify00-00-00-00-00-00 IPX SAP Policy Modify Example Remove an existing SAP Service Advertising Protocol policy Ipx output-delay Displays IPX summary statistics Fields in the IPX Statistics Summary DisplayApplications that were dropped Ipx statistics rip Displays IPX RIP Routing Information Protocol statisticsFields in the IPX RIP Statistics Display Displays IPX SAP Service Advertising Protocol statistics Ipx statistics sapFields in the IPX SAP Statistics Display Been processedDisplays IPX forwarding statistics Fields in the IPX Forwarding Statistics DisplayNo Routes IPX route is unknownIpx statistics interface Displays IPX interface statisticsFields in the IPX Interface Statistics Display Field Description Ipx oddLengthPadding IPX NetBIOS Example Valid Minimum Abbreviation ipx n OptionsIpx secondary IPX Secondary ExampleIPX Appletalk Appletalk Displays summary information for all AppleTalk interfaces Fields in the AppleTalk Interface Summary DisplayWith the AppleTalk interface Displays detailed information for all AppleTalk interfaces Fields in the AppleTalk Interface Detail DisplayDefines an AppleTalk interface Interface. Seed interfaces onlyZone name. Seed interfaces Only Zone name AppleTalk zone that isModifies an existing AppleTalk interface Interface nVlan interface index, it That you can associate with aNew AppleTalk interface Removes an existing AppleTalk interface Fields in the AppleTalk Interface Statistics Display NbpInLookupReqs RtmpOutDataPktsRtmpRouteDeletes Aged out of the tableFields in the AppleTalk Route Display Appletalk route flush Fields in the AppleTalk Aarp Display Appletalk aarp remove 9300Important Consideration Appletalk zone display network Displays the AppleTalk Zone table indexed by zones Appletalk forwarding AppleTalk protocol uses checksums to detect errors in data Appletalk checksumVerification checksum from the incoming data and compares Appletalk sourceSocket Appletalk ping Destination AppleTalk node that you wantTo test for network connectivity Address Fields in the AppleTalk DDP Statistics Display Fields in the AppleTalk Rtmp Statistics Display Displays AppleTalk Zone Information Protocol ZIP statistics Fields in the AppleTalk ZIP Statistics DisplayAny error Displays AppleTalk Name Binding Protocol NBP statisticsFields in the AppleTalk NBP Statistics Display Quality of Service QoS and Rsvp VIIPage Rsvp Quality of Service QOS and Rsvp Fields in the QoS Classifier Summary Display Qos classifier detail Fields in the QoS Classifier Detail DisplayAre predefined Flow classifiers only Classifier Installed Protocol UDP port rangeQos classifier define Defines a flow or nonflow classifierClassifier can have only one control applied to it Up to 0.0 Factory Default Classifier Number of the flowFlow or nonflow ClassifierSource IP For flow classifiers Up to four portions 0.0 End valueEthertype Protocol type Classifiers with Custom Custom protocol Nonflow Type Classifiers onlyFlow Classifier Procedure Custom Hex values for ProtocolQuality of Service QOS and Rsvp QoS Classifier Define Example Flow Classifier Nonflow Classifier Procedure QoS Classifier Define Example Nonflow ClassifierQos classifier modify Modifies a previously defined classifierMatch, or 255.255.255.255 FactoryProcedure Flow Classifier Quality of Service QOS and Rsvp QoS Classifier Modify Example Flow Classifier Removes a previously defined classifier QoS Classifier Remove ExampleDisplays summary information about QoS controls Fields in the QoS Control Summary DisplayFields in the QoS Control Detail Display Limit Rate limit in KBytes/sec or percentage Loss eligiblePacket can be dropped if the transmit queue for which it is Destined is over its thresholdSo forth Type Rate limit type, none no rate limit, receivePort, orQos control define Defines a control for one or more existing classifiersDefault/Best Effort for Service level Service level forReceivePort Default Aggregate For rate limit Control name Name that you assign toEnabled backplane ports Control Used so that drop packets EnabledHow rate limit Is expressedSpecific Input Time Type Options Input Time Type OptionsWeekdays Starting time hhmm Ending time hhmm Weekends You can apply aggregate rate limits only to flow classifiers Quality of Service QOS and Rsvp Enter the classifiers that are subject to this control QoS Control Define ExampleQos control modify SelectLimit without affecting the other defined rate limits Service level Service level for Conforming packets Service level for excessSpecified for That are associated withYou want to enable For flow or nonflowNone ? for a list of selectable values TCP drop For a controlProcedure Quality of Service QOS and Rsvp QoS Control Modify Example ReceivePortRemoves a previously defined control QoS Control Remove Example 9000 LayerQos ldap display Fields in the QoS Ldap DisplayQos ldap enable Qos ldap disable Disabled Removes the connection to Ldap serverQos rsvp summary Fields in the QoS Rsvp Summary DisplayPerformed policing for that flow. Options are edge, always Total resvDisplays detailed Rsvp information when Rsvp is enabled Qos rsvp detailFields in the QoS Rsvp Detail Display Qos rsvp enable Enables Rsvp on the system Rsvp settings that you specifyAlways Default Never Maximum totalQos rsvp enable Disables Rsvp on the system Qos bandwidth display When you enter the command, the system prompts you to enter Sent only when no high priority packets need to be sentLink Qos excessTagging DisplayWith a special Ieee 802.1p tag value Qos excessTagging enable Ieee 802.1p Tag value to use to tag or retag Excess packetsQos excessTagging disable Seconds Factory Default, or Sets a sampling interval for gathering QoS statisticsZero value shows byte or packet counters Interval Interval, in seconds, duringDisplays QoS receive statistics Fields in the QoS Receive Statistics DisplayBridge ports Port numbers whose receive One or more Port numbers AllPeak count The highest number of conforming nonflow Displays QoS transmit statistics Fields in the QoS Transmit Statistics Display Field Description Quality of Service QOS and Rsvp Viii Roving AnalysisPage Event LOG Event LOG Log display Displays the current log settings Supported Event Log ServicesFields in the Log Display Severity LevelsLog Devices Examples Levels for? for a list of valid severity levels Yes To disable the config and info severity levels Services/levels Or disabledLog Services Examples To enable all severity levels for the AppleTalk serviceEvent LOG Roving Analysis Roving Analysis Analyzer display Fields in the Analyzer DisplayAnalyzer Display Example 3500 Analyzer Add Example 9000 1000BASE-SX module Analyzer remove Analyzer Remove ExampleAnalyzer start Starts port monitoring activity on the selected bridge portAnalyzer Start Example 9000 1000BASE-SX module Analyzer stop Stops port monitoring activity on the selected bridge portAnalyzer Stop Example Roving Analysis Appendix a Technical Support Page Services 3ComAccess by Analog Modem Username anonymousHours a day, 7 days a week Country Data Rate Telephone NumberAccess by Digital Modem 847 262408 727 Europe, South Africa, and Middle East NET 3Com 800 638Country Telephone Number Fax Number 800 638 Not toll-freeAppendix a Technical Support Symbols Numbers? character 473 Commands 150 system menu Errors Routing interface 203 Pace Access218 Port duplex mode 212 Port flow control 215 Protocol Dynamic versus static Vlan origin 345Fax service 3ComFacts Fddi MAC264 LER Link Error Rate Alarm value 242 LerCutoff Switch Log, event 747 Logout638 SAP policy Define 642 DetailRemoving 159 management ip rip Packet size advancedPing 475 advancedTraceRoute IPX 712 SMT Station Management LerAlarm value Displaying configurations715 116 to570 QoS Quality of Service interval for 101, 135 System reboot 123Icmp Internet Control Message Protocol 483 418 IPX forwardingSample definition 311 Setting Ignore STP mode Access 71348 Updates RIP triggered 631 639 Zones 677 URL User configuration information

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