Cisco 2960 X Owners Manual
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![Page 101
SUMMARY STEPS
1.configureterminal
2.nomonitorsession{session_number|all|local|remote}
3.monitorsessionsession_numbersourceremotevlanvlan-id
4.monitorsessionsession_numberdestination{interfaceinterface-id[,|-][ingress{dot1qvlanvlan-id
|isl|untaggedvlanvlan-id|vlanvlan-id}]}
5.end
DETAILED STEPS
PurposeCommand or Action
Enterstheglobalconfigurationmode.configureterminal
Example:
Switch#configureterminal
Step 1
RemovesanyexistingSPANconfigurationforthesession.nomonitorsession{session_number|all...](http://img.usermanuals.tech/thumb/17/102385/w64_2960-x-owners-manual-1511197621_d-100.png "Page 101
SUMMARY STEPS
1.configureterminal
2.nomonitorsession{session_number|all|local|remote}
3.monitorsessionsession_numbersourceremotevlanvlan-id
4.monitorsessionsession_numberdestination{interfaceinterface-id[,|-][ingress{dot1qvlanvlan-id
|isl|untaggedvlanvlan-id|vlanvlan-id}]}
5.end
DETAILED STEPS
PurposeCommand or Action
Enterstheglobalconfigurationmode.configureterminal
Example:
Switch#configureterminal
Step 1
RemovesanyexistingSPANconfigurationforthesession.nomonitorsession{session_number|all...")
![Page 102
PurposeCommand or Action
•(Optional)[,|-]Specifiesaseriesorrangeofinterfaces.Enteraspace
beforeandafterthecomma;enteraspacebeforeandafterthehyphen.
•Enteringresswithadditionalkeywordstoenableforwardingofincoming
trafficonthedestinationportandtospecifytheencapsulationtype:
◦dot1qvlanvlan-id—ForwardsincomingpacketswithIEEE802.1Q
encapsulationwiththespecifiedVLANasthedefaultVLAN.
◦isl—ForwardsingresspacketswithISLencapsulation.
◦untaggedvlanvlan-idorvlanvlan-id—Forwardsincoming...](http://img.usermanuals.tech/thumb/17/102385/w64_2960-x-owners-manual-1511197621_d-101.png "Page 102
PurposeCommand or Action
•(Optional)[,|-]Specifiesaseriesorrangeofinterfaces.Enteraspace
beforeandafterthecomma;enteraspacebeforeandafterthehyphen.
•Enteringresswithadditionalkeywordstoenableforwardingofincoming
trafficonthedestinationportandtospecifytheencapsulationtype:
◦dot1qvlanvlan-id—ForwardsincomingpacketswithIEEE802.1Q
encapsulationwiththespecifiedVLANasthedefaultVLAN.
◦isl—ForwardsingresspacketswithISLencapsulation.
◦untaggedvlanvlan-idorvlanvlan-id—Forwardsincoming...")
SUMMARY STEPS
1.configureterminal
2.nomonitorsession{session_number|all|local|remote}
3.monitorsessionsession_numbersourceremotevlanvlan-id
4.monitorsessionsession_numberdestination{interfaceinterface-id[,|-][ingress{dot1qvlanvlan-id
|isl|untaggedvlanvlan-id|vlanvlan-id}]}
5.end
DETAILED STEPS
PurposeCommand or Action
Enterstheglobalconfigurationmode.configureterminal
Example:
Switch#configureterminal
Step 1
RemovesanyexistingSPANconfigurationforthesession.nomonitorsession{session_number|all
|local|remote}
Step 2
•Forsession_number,therangeis1to66.
Example:
Switch(config)#nomonitorsession2
•all—RemovesallSPANsessions.
•local—Removesalllocalsessions.
•remote—RemovesallremoteSPANsessions.
SpecifiestheRSPANsessionandthesourceRSPANVLAN.monitorsessionsession_numbersource
remotevlanvlan-id
Step 3
•Forsession_number,therangeis1to66.
Example:
Switch(config)#monitorsession2sourceremotevlan901
•Forvlan-id,specifythesourceRSPANVLANtomonitor.
SpecifiestheSPANsession,thedestinationport,thepacketencapsulation,
andtheincomingVLANandencapsulation.
monitorsessionsession_number
destination{interfaceinterface-id[,|-]
Step 4
[ingress{dot1qvlanvlan-id|isl|
untaggedvlanvlan-id|vlanvlan-id}]}•Forsession_number,enterthenumberdefinedinStep4.
InanRSPANdestinationsession,youmustusethesamesessionnumber
forthesourceRSPANVLANandthedestinationport.Example:
Switch(config)#monitorsession2•Forinterface-id,specifythedestinationinterface.Thedestination
interfacemustbeaphysicalinterface.destinationinterfacegigabitethernet1/0/2ingressvlan6
•Thoughvisibleinthecommand-linehelpstring,encapsulationreplicate
isnotsupportedforRSPAN.TheoriginalVLANIDisoverwrittenby
theRSPANVLANID,andallpacketsappearonthedestinationport
asuntagged.
Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX
OL-29044-0191
Configuring SPAN and RSPAN
Creating an RSPAN Destination Session and Configuring Incoming Traffic
PurposeCommand or Action •(Optional)[,|-]Specifiesaseriesorrangeofinterfaces.Enteraspace beforeandafterthecomma;enteraspacebeforeandafterthehyphen. •Enteringresswithadditionalkeywordstoenableforwardingofincoming trafficonthedestinationportandtospecifytheencapsulationtype: ◦dot1qvlanvlan-id—ForwardsincomingpacketswithIEEE802.1Q encapsulationwiththespecifiedVLANasthedefaultVLAN. ◦isl—ForwardsingresspacketswithISLencapsulation. ◦untaggedvlanvlan-idorvlanvlan-id—Forwardsincoming packetswithuntaggedencapsulationtypewiththespecifiedVLAN asthedefaultVLAN. ReturnstoprivilegedEXECmode.end Example: Switch(config)#end Step 5 Related Topics RemoteSPAN,onpage69 RSPANVLAN,onpage75 RSPANConfigurationGuidelines,onpage78 Examples:CreatinganRSPANVLAN,onpage94 Monitoring SPAN and RSPAN Operations ThefollowingtabledescribesthecommandusedtodisplaySPANandRSPANoperationsconfigurationand resultstomonitoroperations: Table 13: Monitoring SPAN and RSPAN Operations DisplaysthecurrentSPAN,RSPAN,FSPAN, orFRSPANconfiguration showmonitor Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX 92OL-29044-01 Configuring SPAN and RSPAN Monitoring SPAN and RSPAN Operations
SPAN and RSPAN Configuration Examples Example: Configuring Local SPAN ThisexampleshowshowtosetupSPANsession1formonitoringsourceporttraffictoadestinationport. First,anyexistingSPANconfigurationforsession1isdeleted,andthenbidirectionaltrafficismirroredfrom sourceGigabitEthernetport1todestinationGigabitEthernetport2,retainingtheencapsulationmethod. Switch(config)#nomonitorsession1Switch(config)#monitorsession1sourceinterfacegigabitethernet1/0/1Switch(config)#monitorsession1destinationinterfacegigabitethernet1/0/2encapsulationreplicateSwitch(config)#end Thisexampleshowshowtoremoveport1asaSPANsourceforSPANsession1: Switch(config)#nomonitorsession1sourceinterfacegigabitethernet1/0/1Switch(config)#end Thisexampleshowshowtodisablereceivedtrafficmonitoringonport1,whichwasconfiguredforbidirectional monitoring: Switch(config)#nomonitorsession1sourceinterfacegigabitethernet1/0/1rx Themonitoringoftrafficreceivedonport1isdisabled,buttrafficsentfromthisportcontinuestobemonitored. ThisexampleshowshowtoremoveanyexistingconfigurationonSPANsession2,configureSPANsession 2tomonitorreceivedtrafficonallportsbelongingtoVLANs1through3,andsendittodestinationGigabit Ethernetport2.TheconfigurationisthenmodifiedtoalsomonitoralltrafficonallportsbelongingtoVLAN 10. Switch(config)#nomonitorsession2Switch(config)#monitorsession2sourcevlan1-3rxSwitch(config)#monitorsession2destinationinterfacegigabitethernet1/0/2Switch(config)#monitorsession2sourcevlan10Switch(config)#end ThisexampleshowshowtoremoveanyexistingconfigurationonSPANsession2,configureSPANsession 2tomonitorreceivedtrafficonGigabitEthernetsourceport1,andsendittodestinationGigabitEthernet port2withthesameegressencapsulationtypeasthesourceport,andtoenableingressforwardingwithIEEE 802.1QencapsulationandVLAN6asthedefaultingressVLAN: Switch(config)#nomonitorsession2Switch(config)#monitorsession2sourcegigabitethernet1/0/1rxSwitch(config)#monitorsession2destinationinterfacegigabitethernet1/0/2encapsulationreplicateingressdot1qvlan6Switch(config)#end ThisexampleshowshowtoremoveanyexistingconfigurationonSPANsession2,configureSPANsession 2tomonitortrafficreceivedonGigabitEthernettrunkport2,andsendtrafficforonlyVLANs1through5 andVLAN9todestinationGigabitEthernetport1: Switch(config)#nomonitorsession2Switch(config)#monitorsession2sourceinterfacegigabitethernet1/0/2rxSwitch(config)#monitorsession2filtervlan1-5,9Switch(config)#monitorsession2destinationinterfacegigabitethernet1/0/1Switch(config)#end Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX OL-29044-0193 Configuring SPAN and RSPAN SPAN and RSPAN Configuration Examples
Related Topics CreatingaLocalSPANSessionandConfiguringIncomingTraffic,onpage80 LocalSPAN,onpage68 SPANSessions,onpage71 SPANConfigurationGuidelines,onpage77 Examples: Creating an RSPAN VLAN ThisexampleshowshowtocreatetheRSPANVLAN901: Switch(config)#vlan901Switch(config-vlan)#remotespanSwitch(config-vlan)#end ThisexampleshowshowtoremoveanyexistingRSPANconfigurationforsession1,configureRSPAN session1tomonitormultiplesourceinterfaces,andconfigurethedestinationasRSPANVLAN901: Switch(config)#nomonitorsession1Switch(config)#monitorsession1sourceinterfacegigabitethernet1/0/1txSwitch(config)#monitorsession1sourceinterfacegigabitethernet1/0/2rxSwitch(config)#monitorsession1sourceinterfaceport-channel2Switch(config)#monitorsession1destinationremotevlan901Switch(config)#end ThisexampleshowshowtoremoveanyexistingconfigurationonRSPANsession2,configureRSPAN session2tomonitortrafficreceivedontrunkport2,andsendtrafficforonlyVLANs1through5and9to destinationRSPANVLAN902: Switch(config)#nomonitorsession2Switch(config)#monitorsession2sourceinterfacegigabitethernet1/0/2rxSwitch(config)#monitorsession2filtervlan1-5,9Switch(config)#monitorsession2destinationremotevlan902Switch(config)#end ThisexampleshowshowtoconfigureVLAN901asthesourceremoteVLANandport1asthedestination interface: Switch(config)#monitorsession1sourceremotevlan901Switch(config)#monitorsession1destinationinterfacegigabitethernet2/0/1Switch(config)#end ThisexampleshowshowtoconfigureVLAN901asthesourceremoteVLANinRSPANsession2,to configureGigabitEthernetsourceport2asthedestinationinterface,andtoenableforwardingofincoming trafficontheinterfacewithVLAN6asthedefaultreceivingVLAN: Switch(config)#monitorsession2sourceremotevlan901Switch(config)#monitorsession2destinationinterfacegigabitethernet1/0/2ingressvlan6Switch(config)#end Related Topics CreatinganRSPANDestinationSessionandConfiguringIncomingTraffic,onpage90 RemoteSPAN,onpage69 RSPANVLAN,onpage75 RSPANConfigurationGuidelines,onpage78 Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX 94OL-29044-01 Configuring SPAN and RSPAN Examples: Creating an RSPAN VLAN
Additional References Related Documents Document TitleRelated Topic Standards and RFCs TitleStandard/RFC MIBs MIBs LinkMIB TolocateanddownloadMIBsforselectedplatforms, CiscoIOSreleases,andfeaturesets,useCiscoMIB LocatorfoundatthefollowingURL: http://www.cisco.com/go/mibs Technical Assistance LinkDescription http://www.cisco.com/supportTheCiscoSupportwebsiteprovidesextensiveonline resources,includingdocumentationandtoolsfor troubleshootingandresolvingtechnicalissueswith Ciscoproductsandtechnologies. Toreceivesecurityandtechnicalinformationabout yourproducts,youcansubscribetovariousservices, suchastheProductAlertTool(accessedfromField Notices),theCiscoTechnicalServicesNewsletter, andReallySimpleSyndication(RSS)Feeds. AccesstomosttoolsontheCiscoSupportwebsite requiresaCisco.comuserIDandpassword. Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX OL-29044-0195 Configuring SPAN and RSPAN Additional References
Feature History and Information for SPAN and RSPAN ModificationRelease SwitchPortAnalyzer(SPAN): Allowsmonitoringofswitchtraffic onaportorVLANusinga sniffer/analyzerorRMONprobe. Thisfeaturewasintroduced. CiscoIOS15.0(2)EX SPANdestinationportsupporton EtherChannels:Providestheability toconfigureaSPANdestination portonanEtherChannel. Thisfeaturewasintroduced. CiscoIOS15.0(2)EX SwitchPortAnalyzer(SPAN)- distributedegressSPAN:Provides distributedegressSPAN functionalityontolinecardsin conjunctionwithingressSPAN alreadybeendistributedtoline cards.BydistributingegressSPAN functionalitiesontolinecards,the performanceofthesystemis improved. Thisfeaturewasintroduced. CiscoIOS15.0(2)EX Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX 96OL-29044-01 Configuring SPAN and RSPAN Feature History and Information for SPAN and RSPAN
INDEX C CiscoDiscoveryProtocol(CDP)33 CiscoNetworkingServices16 CNS16 ConfigurationEngine14 restrictions14 D defaultconfiguration77 RSPAN77 SPAN77 defined16, 33 EventService16 NameSpaceMapper16 devicestack34 E EventService16 I Inter-SwitchLink66 SeeISL66 IntrusionDetectionSystem68 SeeIDSappliances68 L localSPAN68 M mirroringtrafficforanalysis67 monitoring68 networktrafficforanalysiswithprobe68 N NameSpaceMapper16 R remoteSPAN69 restrictions14 ConfigurationEngine14 RSPAN66, 67, 68, 69, 71, 72, 73, 74, 75, 76, 77, 78, 84, 85, 87, 90 andstackchanges77 characteristics75 configurationguidelines78 defaultconfiguration77 destinationports74 inadevicestack68 interactionwithotherfeatures76 monitoredports73 monitoringports74 overview67 receivedtraffic72 sessionlimits66 sessions71, 84, 85, 87, 90 creating84, 85 defined71 limitingsourcetraffictospecificVLANs87 specifyingmonitoredports84, 85 withingresstrafficenabled90 sourceports73 transmittedtraffic72 VLAN-based73 Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX OL-29044-01IN-1
S services16 networking16 SimpleNetworkManagementProtocol(SNMP)33 SPAN66, 67, 71, 72, 73, 74, 76, 77, 78, 80, 82 andstackchanges77 configurationguidelines77 defaultconfiguration77 destinationports74 interactionwithotherfeatures76 monitoredports73 monitoringports74 overview67 receivedtraffic72 sessionlimits66 sessions71, 77, 78, 80, 82 creating78 defined71 limitingsourcetraffictospecificVLANs82 removingdestination(monitoring)ports77 SPAN(continued) sessions(continued) specifyingmonitoredports78 withingresstrafficenabled80 sourceports73 transmittedtraffic72 VLAN-based73 SPANtraffic72 stackchanges,effectson77 SPANandRSPAN77 SubnetworkAccessProtocol(SNAP)33 SwitchedPortAnalyzer65 SeeSPAN65 V VLANfilteringandSPAN74 VLANs82, 87 limitingsourcetrafficwithRSPAN87 limitingsourcetrafficwithSPAN82 Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX IN-2OL-29044-01 Index