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Cisco Systems A9014CFD manual Additional References, 35-13

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Chapter 35 Layer 2 Control Protocol Peering, Forwarding, and Tunneling

Additional References

interface GigabitEthernet0/6 negotiation auto

service instance 20 ethernet encapsulation untagged l2protocol tunnel lldp bridge-domain 30

end

Additional References

The following sections provide references related to the Layer 2 Control Protocol Peering and

Forwarding feature.

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

OL-23826-09		35-13
OL-23826-09		35-13

Page 705

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Cisco Systems A9014CFD manual Additional References, 35-13

Contents

Text Part Number OL-23826-09 Americas HeadquartersCopyright 2011-2013, Cisco Systems, Inc Iii N T E N T SRelated Documents Standards MIBs Standards MIBs Searching and Filtering Output of show and more Commands Vii Split-Horizon8-6Viii RestrictionsManually Configuring an IP SLA CFM Probe or Jitter Operation Restrictions Overview Xii Setting up Manual Preemption for Vlan Load BalancingXiii Configuring Mpls VPNs19-6 XivVerifying Local Switching Xvi Verifying the Synchronous Ethernet configurationXvii Cisco IOS IP SLAXviii MarkingXix Technical Assistance Xxi Configuring HsrpXxii Configuring Link Layer Discovery ProtocolXxiii How to Configure Bert32-2 XxivXxv Configuring IPv6 Duplicate Address DetectionTroubleshooting Tips Xxvii BFDXxviii Verifying Layer 2 TunnelingXxix Configuring Unspecified Bit RateXxx Creating IPv6 VRFs on PE RoutersXxxi Technical AssistanceXxxii Finding Feature InformationXxxiii IgmpXxxiv IPv6 Multicast GroupsXxxv Span TrafficXxxvi About This Guide Document Revision HistoryDocument Number Date Change Summary Xxxviii Xxxix OL-23826-09 Xli Xlii Xliii Xliv Xlv Xlvi Audience ObjectivesOrganization XlviiXlviii Mpls OAMXlix SLAChapter Description ConventionsConvention Description Boldface fontTo access the related documentation on Cisco.com, go to Related DocumentationRelease Notes Lii Cisco ASR 901 Router Overview Performance Features FeaturesIntroduction This section contains the following topicsManagement Options Manageability FeaturesQuality of Service and Class of Service Features Security FeaturesLayer 3 Features Layer 3 VPN ServicesMonitoring Features OL-23826-09 Finding Feature Information ContentsLicensing Licenses Supported on Cisco ASR 901 Router Feature OverviewFollowing licenses are supported License Sl.No Chassis PID License PID DescriptionLicensing Licenses Supported on Cisco ASR 901 Router Features Supported Feature Based LicenseLicense Features License TypesPort Based/Mode License Port or Interface Behavior1588BC License Port Number Port Type Chassis PID License RequiredExample When Port Based License is Installed Example When Port Based License is not InstalledPort Based License Router# show ip interface briefExample When 10gigUpgrade License is not Installed 10gigUpgrade LicenseRouterconfig# interface gig 0/0 Router# show interface Ten0/1Example When Flexi License is not Installed Example When 10gigUpgrade License is InstalledFollowing is a sample output from the show license command Flexi LicenseExample When 1588BC License is not Installed Example When Flexi License is InstalledExample When 1588BC License is Installed Following example shows how to install the 1588BC licenseRouterconfig-ptp-clk#no ptp clock boundary domain Use the license clear command to remove the 1588BC licenseRemoving the 1588BC License Router# license clear 1588BCEnable License install Copy tftp flash Show flash Installing the LicenseLicense install license-file-name Generating the LicenseCommand Purpose Changing the LicenseExample Router# license install ? Return Materials Authorization License ProcessExample RMA Process Router# copy tftp flashTo verify the new license, use the show license command Where to Go NextMIBs StandardsRFCs StandardDescription Link Technical AssistanceFeature Name Releases Feature Information Feature Information for LicensingOL-23826-09 First-Time Configuration Setup ModeBefore Starting Your Router Configuring Global Parameters Using Setup ModeEnter a hostname for the router this example uses Completing the Configuration Configuring the Hostname and Password Password prompt appears. Enter your passwordVerifying the Cisco IOS Software Version Exit back to global configuration mode Verifying the Hostname and PasswordRouter# configure terminal Router# show configManaging and Monitoring Network Management Features This section contains the following procedures Network Management Features for the ASREnables privileged Exec mode Configuring Snmp SupportEnter your password if prompted Enters global configuration modeString-Community string is the password to access the Snmp Form of this command removes the specified community stringProtocol View view-name-Optional Previously defined view. The viewNotification-type -snmp authentication -Enables RFC CommandEnvmon voltage shutdown supply fan temperature -When TemperatureSnmp-server host command Command Purpose Exits global configuration mode Configuring Remote Network ManagementEnable Configure terminal Interface loopback numberCommand or Action Purpose Zero-Touch Deployment Zero-touch Deployment Image DownloadNetwork ip-address subnet-mask Configuring a Dhcp ServerSpecifies to exclude IP address of the Dhcp server Ip dhcpCreating a Bootstrap Configuration Configuring a Tftp ServerEnabling a Tftp Server on the Edge Router Configuring the Cisco Configuration EngineExample Configuring Snmp Support Configuration ExamplesExample Configuring Remote Network Management Example Configuring a Dhcp ServerExample Zero-touch Deployment Additional ReferencesRelated Documents Related Topic Document TitleMIBs Network Management Features for the ASR Understanding Command Modes Using the Command-Line InterfaceUser Exec Log Entered. Use a passwordExit, or logout Use the interfaceLine console Understanding the Help SystemCtrl-Z or enter end HelpUnderstanding no and default Forms of Commands Understanding Abbreviated CommandsUnderstanding CLI Error Messages Router# show confChanging the Command History Buffer Size Using Command HistoryError Message Meaning How to Get Help Range is from 0 toRecalling Commands Using Editing FeaturesDisabling the Command History Feature Enabling and Disabling Editing FeaturesCapability Keystroke1 Purpose Editing Commands through KeystrokesPress Ctrl-Y Backspace keyPress Ctrl-V or Esc Q Editing Command Lines that WrapReturn and Space bar Press Ctrl-L or Ctrl-RAccessing the CLI Command begin include exclude regular-expressionRouter# show interfaces include protocol Saving Configuration Changes Software Upgrade Selecting a Cisco IOS ImageUpgrading the Cisco IOS image Copy the IOS Image from the Tftp server If the right steps are not followed properlyRouter# show file system Verify the Cisco IOS upgrade Save the configuration and reload the routerVerify the Cisco IOS image in the file system Router# verify flashasr901-universalk9-mz.151-2.SNGRouter# show version Auto Upgrading the MCUManually Upgrading the Rommon Auto Upgrade of Rommon Rommon AUTOUPGRADEROMMON=TRUE FalseRouter# upgrade rom-monitor internal Configuring the Interface Configuring Gigabit Ethernet InterfacesTo configure the GE interface, complete the following steps Enters enable modeSetting the Speed and Duplex Mode Cdp enableGigabitethernet 0/1 Enabling the Interface Modifying MTU Size on the InterfaceMtu bytes Verifying the MTU Size No mtu or default mtu commandComplete the following steps to configure MAC Flap control Configuring MAC FLap ControlMAC Flap Control Restrictions and LimitationsRestrictions Configuring a Combo PortMac-flap-ctrl on per-mac mac-movement Time-intervalExits interface configuration mode and enters Configures the media typeAuto-select-Specifies dynamic selection Physical connectionVerifying the Media Type Router# show interface gigabitethernet 0/1Router# show interface gigabitethernet 0/7 Configuring Ethernet Virtual Connections Supported EVC Features Understanding EVC Features Service Instances and EFPsEthernet Virtual Connections Encapsulation Configures default encapsulation Bridge DomainsTo the appropriate EFP Dhcp Client on Switch Virtual Interface Split-HorizonRewrite Operations Configuring EFPs Default EVC ConfigurationConfiguration Guidelines Creating Service Instances Default Service instance number ethernet nameShow ethernet service instance Copy running-config startup-configExample Configuring a Service Instance Configuration Examples of Supported FeaturesExample Encapsulation Using a Vlan Range Example Bridge Domains and Vlan EncapsulationRouter config-if-srv#rewrite ingress pop 1 symmetric Router config-if-srv#rewrite ingress tag pop 1 symmetricExample Rewrite Example Split HorizonConfiguration Examples of Unsupported Features Example FilteringExample Overlapping Encapsulation How to Configure EVC Default Encapsulation Configuring EVC Default Encapsulation with Bridge-DomainInterface type number Configuring EVC Default Encapsulation with Xconnect Configures the default service instanceAn identifier Verifying EVC Default Encapsulation with Bridge-Domain Verifying EVC Default Encapsulation with Xconnect Configuring Other Features on EFPsConfiguration Examples for EVC Default Encapsulation Example Configuring EVC Default Encapsulation with XconnectMAC Address Forwarding, Learning and Aging on EFPs EFPs and EtherChannelsInterface type slot/port No mac-address-table learning vlan vlan-idRouterconfig# no mac-address-table learning vlan End Return to privileged Exec modeAddresses learned on a particular VLAN/BD Router# show mac-address-table802.1Q Tunneling QinQ Configuring Ieee 802.1Q Tunneling using EFPsRouter# show mac-address-table interface 0/9 Router# show mac-address-table interface port-channel1shows the tag structures of the double-tagged packets You can use EFPs to configure 802.1Q tunneling in two ways Configuration ExamplesConfiguration Example Cisco ASR 901 router supports pop 2 configurationRouted QinQ Bridge Domain Routing Example Configuring Bridge-Domain RoutingConfiguring Dhcp Client on SVI How to Configure Dhcp Client on SVIConfigures the Vlan interface and enters interface Interface type-numberVerifying Dhcp Client on SVI Configuration Example for Dhcp Client on SVIEFPs and Mstp EFPs and Switchport MAC AddressesMonitoring EVC Command DescriptionSample Configuration with Switchport to EVC Mapping Configuration Example Line vty 0 4 login Additional References Supported EVC Features OL-23826-09 Configuring EtherChannels EtherChannel Feature OverviewUnderstanding How EtherChannels Work EtherChannel Configuration Overview Understanding How EtherChannels Are ConfiguredUnderstanding Manual EtherChannel Configuration Understanding Ieee 802.3ad Lacp EtherChannel ConfigurationPassive mode Active mode Passive modeActive mode Passive mode Router a Router B ResultEtherChannel Configuration Guidelines and Restrictions Understanding Port-Channel InterfacesUnderstanding Load Balancing Configuring Channel Groups Configuring EtherchannelsConfiguration examples for Lacp system priority Configuring the Lacp System Priority and System IDLacp rate fast normal End Configuring the Lacp Transmit RateConfiguring EtherChannel Load Balancing Configuration ExamplesVerifying the Lacp Transmit Rate Enable Configure terminal Interface port-channel number Modifying MTU Size on Port-ChannelVerifying the MTU Size on Port-Channel Restrictions for EVC EtherChannel EVC On Port-ChannelVerifying the Configuration Configuring EVC on Port-ChannelRouter# show ethernet service evc id evc-idinterface Router# show ethernet service instance interfaceProblem Solution TroubleshootingContents Configuring Ethernet OAMUnderstanding Ethernet CFM Configuring Ethernet CFMIP SLA Support for CFM 10-2Ethernet CFM Configuration Restrictions and Guidelines Default Ethernet CFM ConfigurationConfiguring the CFM Domain Configure terminal Enter global configuration mode10-4 We do not recommend configuring a large number Second, 10 seconds, 1 minute and 10 minutes. The defaultIs 2 to 255 the default is Optional Configure the maximum number of MEPs10-6 Example for Basic CFM configurationRestrictions Configuring Multi-UNI CFM MEPs in the Same VPNExit 10-710-8 Cfm mep domain domain-name mpid identifierAlias alias-short-ma-name icc icc-code meg-id Number ma-number vlan-id vlan-id vpn-id vpn-id10-9 10-10 10-11 10-12 Configuring Ethernet CFM CrosscheckContinuity-check static rmep Configuring Static Remote MEPStatic 10-13Configuring a Port MEP Service ma-name ma-number vpn-id port10-14 10-15 Configuring Snmp TrapsEthernet echo mpid identifier domain domain-name Configuring IP SLA CFM OperationEthernet jitter mpid identifier domain domain-name 10-16Allowed by the protocol being used the default is 66 bytes Repeats. The range is from 1 to 604800 seconds the defaultSeconds to keep the operation in memory when it is not Seconds. The default is 0 seconds10-18 Configuring CFM over EFP with Cross Connect Show the configured IP SLA operation10-19 10-20 Configuring CFM over EFP Interface with Cross Connect10-21 Example for untagged Encapsulation10-22 Example for single tag Encapsulation10-23 Configuring CFM with EVC Default Encapsulation Cfm mep domain domain-name mpid mpid-value10-24 10-25 Verifying CFM with EVC Default EncapsulationExample Configuring CFM with EVC Default Encapsulation Configuring Y.1731 Fault ManagementDefault Y.1731 Configuration 10-2610-27 Configuring ETH-AISShow ethernet cfm error Configuring ETH-LCKShow ethernet cfm smep interface interface-id Ethernet cfm lck link-status global10-29 Managing and Displaying Ethernet CFM Information 10-31 10-32 Understanding the Ethernet OAM ProtocolFollowing OAM features are defined by Ieee 802.3ah OAM FeaturesBenefits of Ethernet OAM 10-3310-34 Link MonitoringSetting Up and Configuring Ethernet OAM This section includes the following topics10-35 Restrictions and Guidelines Default Ethernet OAM ConfigurationEnabling Ethernet OAM on an Interface Ethernet oamEthernet oam max-rate oampdus min-rate seconds Ms mode active passive timeout secondsShow ethernet oam status interface interface-id 10-37Configuring Ethernet OAM Link Monitoring Enabling Ethernet OAM Remote Loopback10-38 10-39 Threshold high high-frames none low Ethernet oam link-monitor frame-periodEthernet oam link-monitor frame-seconds 10-40Ethernet oam link-monitor receive-crc threshold Configuring Ethernet OAM Remote Failure IndicationsNo ethernet link-monitor on 10-41Dying-gasp link-fault action Configuring Ethernet OAM TemplatesError-disable-interface Ethernet oam remote-failure critical-event10-43 Low-seconds window milliseconds Threshold high high-seconds none lowEthernet oam link-monitor high threshold action Source-template template-nameShow ethernet oam discovery interface interface-id Displaying Ethernet OAM Protocol InformationShow ethernet oam statistics interface interface-id Show ethernet oam summaryVerifying Information Oampdu and Fault Statistics Verifying Ethernet OAM ConfigurationVerifying an OAM Session Verifying OAM Discovery Status10-47 Verifying Link Monitoring Configuration and StatusVerifying Status of the Remote OAM Client Understanding E-LMI10-48 ActiveDefault E-LMI Configuration Configuring E-LMIRestrictions 10-4910-50 Enabling E-LMIUnderstanding Ethernet Loopback Configuring Ethernet LoopbackDisplaying E-LMI Information 10-5110-52 Enabling Ethernet Loopback10-53 10-54 10-55 10-56 Configuring Y.1564 to Generate Ethernet Traffic10-57 Internal ModeRouterconfig# ip sla Configuring IP SLA for Traffic GenerationSpecify the SLA ID to start the IP SLA session 10-5810-59 Measurement-type direction -Specifies the statistics10-60 10-61 Example Two-Way Measurement10-62 ITU-T Y.1731 Performance Monitoring Prerequisites for ITU-T Y.1731 Performance Monitoring11-1 Restrictions for ITU-T Y.1731 Performance Monitoring Information About ITU-T Y.1731 Performance Monitoring11-2 Frame Delay and Frame-Delay Variation Two-way Delay Measurement11-3 On-Demand and Concurrent Operations Frame Loss RatioSingle-ended ETH-SLM 11-4Benefits of ITU-T Y.1731 Performance Monitoring How to Configure ITU-T Y.1731 Performance MonitoringSupported interfaces 11-5Configuring Two-Way Delay Measurement Max-delaymilliseconds Owner owner-id11-6 Mac-address target-address -Specifies Mac-address source-address -Specifies11-7 11-8 Boundary ,...,boundary -Lists upperConfiguring Single-Ended Synthetic Loss Measurement Enable Configure terminal Asr901-platf-multi-nni-cfm11-9 11-10 Mac-addresstarget-address-Specifies Mac-addresssource-address-Specifies11-11 Enters IP SLA configuration mode Exits IP SLA Y.1731 loss configuration modeExits IP SLA configuration mode and enters global Owner-id-Specified the name of the SnmpNumber-of-measurements -Optional When Threshold-type averageNumber-of-measurements argument. The range is Threshold-type consecutiveScheduling IP SLAs Operations Threshold-type immediate -Optional When aPrerequisites Threshold-value upper-thresholdSpecifies an IP SLAs operation group number Individual IP SLAs operationRange of operation numbers to be scheduled for a Multi-operation schedulerRouter# show ip sla configuration 11-16Router-1#show running interface gigabitethernet0/0 11-17 Example Verifying Ethernet CFM Performance MonitoringRouter# show ethernet cfm pm session summary Router# show ethernet cfm pm session detailExample Verifying History for IP SLAs Operations 11-18Router# show ip sla history interval-statistics 11-19 Configuring Direct On-Demand Operation on a Sender MEP11-20 Configuring Referenced On-Demand Operation on a Sender MEP11-21 Example On-Demand Operation in Direct ModeExample On-Demand Operation in Referenced Mode 11-22Router# ip sla on-demand ethernet slm 2002 duration Ieee 802.1ag ITU-T Y.1731 MEF Releases, and feature sets, use Cisco MIB Locator found atFollowing URL 11-2311-24 11-25 Feature Name Releases Feature Information11-26 Understanding Resilient Ethernet Protocol REP Configuring Resilient Ethernet ProtocolOverview 12-1REP Open Segments 12-2No-neighbor Topology 12-3Fast Convergence Link IntegrityVlan Load Balancing VLB 12-4Neighbor Offset Numbers in a Segment 12-512-6 REP PortsDefault REP Configuration Configuring Resilient Ethernet Protocol REPREP Configuration Guidelines 12-712-8 12-9 Configuring the REP Administrative Vlan12-10 Configuring REP InterfacesService instance instance-id Routerconfig# interface Gigabitethernet0/1Enter the physical Layer 2 interface or port channel ID. Port-channel range is 1 to12-12 12-13 Verifies the REP interface configuration File12-14 12-15 Configuring REP as Dual Edge No-Neighbor Port12-16 Rep segment segment-id edge no-neighbor Primary preferred12-17 Cisco ASR 901 Dual Rep Edge No-Neighbor Topology Example 7600112-18 12-19 7600212-20 Setting up Manual Preemption for Vlan Load Balancing12-21 Configuring Snmp Traps for REPTrap-rate command Monitoring REP12-22 12-23 Configuring the REP Administrative Vlan Example Configuration Examples for REPConfiguring a REP Interface Example This section contains the following examplesConfiguring Snmp Traps for REP Example Setting up the Preemption for Vlan Load Balancing ExampleMonitoring the REP Configuration Example 12-2512-26 Cisco ASR 901 Topology Example12-27 ASR212-28 12-29 12-30 Configuring MST on EVC Bridge Domain Overview of MST and STP13-1 Overview of MST on EVC Bridge Domain Restrictions and Guidelines13-2 MST0 13-313-4 Configuring MST on EVC Bridge DomainSpecifies the gigabit ethernet interface to configure Slot/port-Specifies the location of the interface13-5 Configuration Example for MST on EVC Bridge Domain Verification13-6 Router# show spanning-tree vlan 13-7This example shows MST on port channels 13-8Router# show spanning-tree mst 13-9 Troubleshooting Tips13-10 14-1 Configuring Multiprotocol Label Switching14-2 Configuring EoMPLS Understanding EoMPLS15-1 15-2 Configuring EoMPLS15-3 EoMPLS Configuration ExampleConfiguration Commands Configuring Pseudowire RedundancySpecifies an interface to configure Configures encapsulation type for the service instancePort Based EoMPLS Configure terminal Enters global configuration mode ExampleShow mpls l2t vc id 15-515-6 Routerconfig# xconnect Encapsulation mplsConfiguring Mpls VPNs Understanding Mpls VPNs16-1 Configuration Examples for Mpls VPN Configuring Mpls VPNsPE1 Configuration 16-216-3 Configuring Mpls VPNs Configuration Examples for Mpls VPN16-4 16-5 Provider ConfigurationPE2 Configuration Interface details16-6 16-7 Ospf and BGP details16-8 Loop Back details16-9 16-10 Understanding Mpls OAM Configuring Mpls OAMLSP Ping 17-1LSP Ping over Pseudowire Configuring Mpls OAMLSP Traceroute 17-2Using LSP Traceroute for LDP IPv4 FEC Using LSP Ping for LDP IPv4 FECUsing LSP Ping for Pseudowire Ping mpls ipv4Displaying AToM Vccv capabilities Using LSP Traceroute over PseudowireShow mpls l2transport binding vcid Vc-id-valueChanging Default Hashing Algorithm for Ecmp Configuring Routing ProtocolsAsr901-ecmp-hash-config global-type 18-118-2 Configuring BFD Understanding BFD19-1 Configuring BFD for Ospf BFD Configuration Guidelines and RestrictionsConfiguring BFD for Ospf on One of More Interfaces Enables BFD for Ospf on the interfaceCreates a configuration for an Ospf process Configuring BFD for Ospf on All InterfacesSpecifies the BFD session parameters ProcessConfiguring BFD for IS-IS Configuring BFD for BGPConfiguring BFD for IS-IS on a Single Interface 19-419-5 Configuring BFD for IS-IS for All Interfaces19-6 Configuring BFD for Static RoutesBFD with Ospf on All Interfaces Configuration Examples for BFDBFD with Ospf on Individual Interfaces 19-7BFD with IS-IS on All Interfaces BFD with BGPBFD with IS-IS on Individual Interfaces 19-819-9 BFD with Static Routes19-10 Configuring T1/E1 Controllers Configuring the Card Type20-1 Configuring E1 Controllers Subslot20-2 20-3 Channel-group channel-no timeslots timeslot-list 64 command20-4 Configuring T1 ControllersTroubleshooting Controllers Troubleshooting E1 Controllers20-5 Payload loopback mode of the framer. The framer re-clocks Troubleshooting T1 ControllersReceiver Incoming trafficPath to the receiver path 20-7Local line 20-8 21-1 Configuring PseudowireUnderstanding Pseudowires Structure-Agnostic TDM over Packet21-2 Transportation of Service Using Ethernet over Mpls Hot Standby Pseudowire Support for ATM/IMALimitations 21-3Configuring Pseudowire Classes Configuring PseudowireXconnect ip pw-class pseudowire-class Cem group-number21-5 Class cem cem-class-name Configuring CEM ClassesCem group-number Cem class cem-class-name Xconnect ip-addressencapsulation mpls21-7 Enable Configure terminal Interface cemslot/port Configuring a Backup PeerSpecifies the CEM class name Xconnect peer-loopback-ip-addressencapsulation mplsConfiguring Structure-Agnostic TDM over Packet Xconnect ip-addressencapsulation mpls Exit21-9 21-10 30.30.30.2 255.255.255.255Pseudowire-classpseudowire-class-name Configuring a SAToP Pseudowire with UDP EncapsulationXconnect peer-router-id vcid pseudowire-class name Udp port local-udp-port remote remote-udp-port21-12 Exits the configuration mode Values for SAToP pseudowires using UDP are fromRemote peer Exits the CEM interfaceCem-groupgroup-number timeslots timeslot Enable Configure terminal Controller e1 t1 slot/portExit Interface CEMslot/port Xconnect ip-addressencapsulation mpls Exit EndExits configuration mode Configuring a CESoPSN Pseudowire with UDP EncapsulationDefines a CEM channel Recommend that you build a route from the xconnect addressExits pseudowire-class configuration mode Udp port local localudpport remote remoteudpport21-16 21-17 21-18 QoS for CESoPSN over UDP and SAToP over UDPAlthough the symmetric keyword appears to be optional, you Service instance instance-number21-19 Xconnect ip-addressencapsulationSelects an E1 or T1 controller Configuring L2VPN Pseudowire RedundancyCreates a CEM interface and assigns it a CEM group number 21-2021-21 Example Pseudowire Redundancy Configuring ATM/IMA Pseudowire Redundancy in PVC ModeBackup peer peer-router-ip-addr vcid Interface interface-name21-23 Or more virtual circuits VCs Configuring ATM/IMA Pseudowire Redundancy in PVP ModeVpi-ATM network virtual path identifier VPI of the VC to Multiplex on the permanent virtual pathConfiguring ATM/IMA Pseudowire Redundancy in Port Mode Transport over Mpls AToM static pseudowire21-25 Peer-router-ip-addr-IP address of the remote peer router Verifying Hot Standby Pseudowire Support for ATM/IMA21-26 Router# show mpls l2transport vc21-27 TDM Local Switching21-28 Configuring TDM Local Switching on a T1/E1 ModeConfiguration Example for Local Switching Verifying Local Switching21-29 21-30 ATM/IMAConfiguration Examples for Pseudowire Example TDM over Mpls Configuration-Example21-31 21-32 21-33 AsrbFollowing configuration uses CESoSPN with UDP encapsulation Example CESoPSN with UDP21-34 21-35 Example Ethernet over Mpls21-36 21-37 Feature Information for Configuring Pseudowire21-38 Configuring Clocking Restrictions22-1 22-2 Configuring Network Clock for Cisco ASR 901 Router22-3 Configuring Network Clock in Global Configuration Mode22-4 22-5 Example for GPS interface22-6 Configuring Network Clock in Interface Configuration ModeSynchronization Status Message Understanding SSM and EsmcEthernet Synchronization Messaging Channel Clock Selection AlgorithmQL-disabled mode Configuring Esmc in Global Configuration ModeEsmc behavior for Port Channels Esmc behavior for STP Blocked Ports22-9 Configuring Esmc in Interface Configuration ModeVerifying Esmc Configuration Show esmc22-10 Show network-clock synchronization Managing Synchronization22-11 Router#show esmc interface gigabitEthernet 0/1022-12 Synchronization ExampleVerifying the Synchronous Ethernet configuration Configuring Synchronous Ethernet for Copper PortsConfigures synchronous ethernet copper port as slave Configures synchronous ethernet copper port as master22-14 22-15 Synchronization detail RP command to confirm Troubleshooting TipsShown in this example 22-1622-17 Troubleshooting Esmc Configuration22-18 Configuring PTP for the Cisco ASR 901 RouterConfiguring PTP Ordinary Clock Setting System Time to Current TimeConfiguring Master Ordinary Clock 22-1922-20 Priority1 priority-value Priority2 priority-value22-21 Configuring Slave Ordinary Clock22-22 Clock source source-address22-23 22-24 Configuring PTP in Unicast Negotiation Mode Configuring PTP in Unicast ModePort Name Port RoleConfigured with this command Configures Cisco ASR 901 router on unicastPTP Boundary Clock Negotiation mode. The following options can beConfiguring PTP Boundary Clock Clock-port port-namemaster22-27 22-28 Verifying PTP modes Exits clock port configuration modeOrdinary Clock 22-29Boundary Clock Router# show ptp clock dataset default22-30 Router# show ptp clock dataset time-properties domainVerifying PTP Configuration on the 1588V2 Slave 22-31Router# show ptp clock runn dom Typical configuration on a 1588V2 master is Verifying PTP Configuration on the 1588V2 Master22-32 Router# show ptp clock running domain22-33 Configuring a Hybrid Ordinary Clock PTP Hybrid Clock22-34 To work in hybrid mode. Enables the hybrid clock such Hybrid-Optional Enables the PTP boundary clockThat the output of the clock is transmitted to the remote Slaves22-36 22-37 Configuring a Hybrid Boundary ClockRouter# show running-config section ptp Verifying Hybrid modes22-38 SSM and PTP Interaction 22-39Router#show platform ptp channelstatus PTP Redundancy ClockClass MappingTelecom Profiles 22-40Clock source source-address priority Configuring Telecom Profile in Slave Ordinary ClockEnd 22-4122-42 22-43 Configuring Telecom Profile in Master Ordinary ClockTiming packets with a PTP slave devices Verifying Telecom profile22-44 Router#show ptp port running detailRouter#show ptp clock running domain 22-45Static Unicast Mode Setting the TimePropertiesASR901 Negotiation Mechanism 22-4622-47 Configuring ToD on 1588V2 Slave22-48 Configuring Ipsla Path Discovery Cisco IOS IP SLA23-1 23-2 Configuration Parameters23-3 Example for Ipsla Path DiscoveryThis example shows the LPD parameter values configured 23-4Router#show ip sla mpls-lsp-monitor neighbors 23-5 Two-Way Active Measurement Protocol23-6 Configuring TwampEnable Configure terminal Ip sla server twamp Configuring the Twamp ServerPort port-number 23-7Configuration Examples for Twamp Configuring the Twamp ReflectorConfigures the switch as a Twamp responder, and enter Twamp 23-8Example Configuring the Router as an IP SLA Twamp Reflector Example Configuring the Router as an IP SLA Twamp serverRouterconfig# ip sla server twamp Routerconfig# ip sla responder twamp23-10 24-1 Configuring QoS24-2 Understanding QoSDefault QoS for Traffic from External Ethernet Ports Default QoS for Traffic from Internal Ports24-3 24-4 Modular QoS CLIInput and Output Policies Input Policy Maps24-5 Access Control Lists Output Policy Maps24-6 24-7 ClassificationMatch Command Class Maps24-8 Classification Based on IP Precedence Classification Based on Layer 2 CoSClassification Based on IP Dscp 24-9This display shows the available classification options Classification ComparisonsPer-hop Decimal Precedence CoS 24-10Classification Based on QoS Groups Traffic Type Per-hop Decimal Precedence CoS24-11 24-12 Classification Based on Vlan IDs24-13 Table Maps24-14 PolicingIndividual Policing Gigabitethernet port24-15 24-16 Unconditional Priority PolicingRouterconfig# policy-map policy1 Configuration ExampleEgress Policing 24-17Routerconfig# policy-map Example Marking24-18 Congestion Management and Scheduling Traffic Shaping24-19 Routerconfig# policy-map out-policy-parent Routerconfig# policy-map out-policyRouterconfig-pmap-c#service-policy out-policy 24-20This is an example of a parent-child configuration Class-Based Weighted Fair QueuingRouterconfig# policy-map parent 24-2124-22 Routerconfig-pmap-c#bandwidth remaining percent24-23 Priority QueuingIngress and Egress QoS Functions Routerconfig# policy-map pmapbckboneIngress QoS Functions 24-24QoS Limitations Configuring Quality of Service QoSEgress QoS Functions 24-25General QoS Limitations Statistics Limitations24-26 Classification Limitations Propagation LimitationsGigabitEthernet Value24-28 Marking LimitationsPrecedence Prec-transmit Qos-group Congestion Management LimitationsQueuing Limitations Rate Limiting LimitationsPolicing with ACL-based QoS RestrictionsShaping Limitations 24-30QoS for MPLS/IP over Mlppp Improving Feature ScalabilityTcam with QoS QoS for CPU Generated Traffic24-32 QoS Configuration Guidelines24-33 Sample QoS ConfigurationEnter the password Configuring ClassificationCreating a Class Map for Classifying Network Traffic 24-3424-35 24-36 Attaching the Policy Map to an Interface24-37 Attaching Policy Map to Cross Connect EVC24-38 Configuring Marking24-39 Creating a Class Map for Marking Network TrafficSet cos Traffic Attributes Network Layer ProtocolSet dscp Set qos-groupSpecify an EVC Configuring Mpls Exp Bit Marking using a PseudowireSpecify an encapsulation type for the EVC 24-41Configuring Low Latency Queueing LLQ Configuring Congestion ManagementUse the policy-mapcommand to define a policy map 24-42Configuring Multiple Priority Queueing Policy-map interface commands to verify your configuration24-43 24-44 Use the exit command to exit class map configuration Configuring Class-Based Weighted Fair Queuing CbfqUse the exit command to exit the policy map configuration 24-45Amount of bandwidth Weighted Random Early Detection WredThis step is optional 24-46No random-detect discard-class-based Configuring ShapingNo random-detect discard-class value 24-4724-48 Configuring the Secondary-Level Child Policy MapConfiguring Ethernet Trusted Mode Creating IP Extended ACLs24-49 Class-map match-all match-any Using Class Maps to Define a Traffic ClassClass-map-name 24-50Ip precedence ip-precedence-list Match cos cos-list ip dscp dscp-listQos-group value vlan vlan-list Show class-mapMatch access-group name access-group-name Creating a Named Access ListPermit source source-wildcard any log Class-mapclass-map-name24-53 What to do NextTcam with ACL Router# show ip access-lists tcam124-54 Router# show run int gig 0/1Router# show access-lists tes456 Verifying Named Access List24-55 Router# show policy-map interface gigabitethernet 0/0Configuration Example for Named Access List Router# show running-config24-56 Class-map match-any test 24-5724-58 24-59 24-60 24-61 Cisco IP-SLAs QoS Treatment for Performance-Monitoring ProtocolsQoS Treatment for IP-SLA Probes QoS Marking for CPU-Generated Traffic24-63 QoS Queuing for CPU-Generated TrafficTo enter QoS class-map configuration mode Configuring Class-map for Matching Mpls EXP BitsExtending QoS for Mlppp Class in the policy mapConfiguring Class-map for Matching IP Dscp Value Match ip dscp dscp-value...dscp-value24-65 Dscp-value-The Dscp value used to identify a Dscp value This configuration packets with IP Dscp of value af11 are24-66 Match ip dscp24-67 Configuring a Policy-mapBandwidth percent bandwidth-percent Exit Class class-defaultExampleclass 24-68Bits defined by the policy map Value in the type of service ToS byteDscp-value-The Dscp value used to identify a Dscp 24-69Attaching the Policy-map to Mlppp Interface Enable Configure terminal Interface multilink group-numberIp address address subnet mask 24-7024-71 24-72 Re-marking IP Dscp Values of CPU Generated TrafficGenerated traffic Re-marking Mpls EXP Values of CPU Generated TrafficAre 0 to 24-73Class and enters QoS class-map configuration mode Configuring a Policy-map to Match on CS5 and EXP4Bandwidth percent bandwidth-percent Set ip dscp dscp-value Class-map-name-The name used for class mapAs a match criterion Value in the type of service ToS byteCs-value-The Class SelectorCS value Class-map-name-Name of the class for the class mapConfiguring Class-map for Matching Mpls EXP Bits Exits QoS policy-map class configuration mode24-76 Configuring a Policy-map Configuring Class-map for Matching IP Dscp ValueFollowing example shows a configuration of a policy-map 24-77Configuring a Policy-map to Match on CS5 and EXP Attaching the Policy-map to Mlppp Interface24-78 24-79 Verifying Mpls over Mlppp Configuration24-80 24-81 Troubleshooting Tips24-82 24-83 Example Tcam troubleshooting related errorRouterconfig-if-srv#service-policy input policy2 24-84Entries used 256/256 no free entries available Routerconfig-if-srv#no service-policy input policy1 We now have enough free entries to configure policy2Entries used 195/256 after unconfiguring policy1 24-8524-86 Entries used 220/256 after configuring policy224-87 Related Topic Document Title24-88 Feature Information for Configuring QoS25-1 Configuring MlpppPrerequisites Mlppp Optimization FeaturesDistributed Multilink Point-to-Point Protocol Offload Mpls label protocol ldpMulticlass Mlppp Mpls over Mlppp25-3 25-4 Mpls Label imposition LER Mpls Label switching LSRMpls over Mlppp on Core Links Mpls over Mlppp on CE to PE Links25-5 Configuring the Card Type, E1 and T1 Controllers Configuring Mlppp BackhaulConfiguring a Multilink Backhaul Interface Creating a Multilink BundleExample configures an IP address and subnet mask Configuring MrruExample creates a multilink bundle 25-7Configuring PFC and Acfc Remote apply, pfc local request, and pfc remote apply25-8 25-9 Requests. The syntax is as follows Configuration requestsAcfc option are not accepted 25-10Enabling Multilink and Identifying the Multilink Interface Keepalive period retries25-11 25-12 Ppp multilink group group-numberMlppp Offload Ppp multilink idle-link Ppp multilink queue depth25-13 Configuring Additional Mlppp Settings Configuring Mpls over the Mlppp on a Serial InterfacePpp multilink Ppp multilink group group-number Exit 25-1425-15 Number, and enters the interface configuration mode Configuring Mpls over Mlppp for Ospf25-16 Interface multilink group-number25-17 25-18 Configuration Examples for Mpls over Mlppp25-19 Verifying Mpls over Mlppp ConfigurationRouter# ping mpls ipv4 6.6.6.6/32 Router# show mpls ldp bindings 6.6.6.625-20 25-21 25-22 Feature Information for MlpppUnderstanding Obfl Onboard Failure LoggingRetrieval of the Obfl message Recording Obfl MessagesConfiguring Obfl Verifying Obfl Configuration26-2 Clilog summary 26-326-4 27-1 Information About Hsrp and Vrrp Text AuthenticationOverview of Hsrp and Vrrp PreemptionConfiguring Hsrp How to Configure HsrpComplete the following steps to configure Hsrp Standby group-numberauthentication text string27-4 Example Configuring Hsrp Active Router Configuration Examples for HsrpExample Configuring Hsrp Backup Router 27-5Example Hsrp Text Authentication How to Configure VrrpConfiguring Vrrp Interface type number Ip ip-address maskVrrp group-numberauthentication text string Vrrp group-numberpriority level27-7 Example Configuring a Vrrp Master Router Configuration Examples for VrrpExample Configuring a Vrrp Backup Router 27-827-9 Example Vrrp Text Authentication27-10 27-11 Feature Information for Hsrp and Vrrp27-12 28-1 Configuring Link Layer Discovery ProtocolConfiguring Lldp How to Configure LldpRestrictions for Lldp Overview of Lldp28-3 Example Configuring Hold Time Configuration Example for LldpVerifying Lldp Example Enabling Lldp GloballyExample Configuring Delay Time Example Configuring Intervals28-5 28-6 28-7 28-8 Feature Information for Lldp29-1 Configuring Multihop Bidirectional Forwarding DetectionConfiguring Multihop BFD Template How to Configure Multihop BFDRestrictions for Multihop BFD Information About Multihop BFD29-3 Configuring a Multihop BFD Map Configuration Examples for Multihop BFDExample Configuring Multihop BFD Configuration for Router a29-5 Configuration for Router BInterface Fast Ethernet 0/1 Interface Fast Ethernet 6/029-6 29-7 Feature Information for Multihop BFD29-8 Bit Error Rate Testing Prerequisites30-1 How to Configure Bert Bert Pattern Description30-2 Performing Bert on a T1/E1 Line Enable Configure terminal Controller t1 e1 slot/portTerminating Bert on a T1/E1 Controller 30-3Verifying Bert on a T1/E1 Controller Routerconfig-controller# no bert patternNo bert pattern pattern interval time 30-430-5 Following is a sample configuration of the Bert feature30-6 Feature Information for Bit Error Rate Testing30-7 30-8 31-1 Microwave ACM Signaling and EEM Integration31-2 IGP Metric Adjustment QoS Policy AdjustmentBenefits Link RemovalConfiguring Connectivity Fault Management Bridge-domainbridge-domain-id31-4 31-5 31-6 31-7 Configuring EEP Applet Using CLIs31-8 Exits applet configuration mode Configuring Event HandlerAn EEM applet is triggered 31-931-10 Example Configuring EEP Applet Example Configuring CFMFollowing is a sample configuration of CFM 31-11Action 104 set n $ringnodes 31-1231-13 31-14 Action 442 cli command isis metric $dlcExample Configuring Event Handler Following is a sample configuration of Event Handler31-15 CFM Support for Microwave Adaptive Cisco ASR 901 Router CommandsBandwidth Transport Integration with Microwave ACM 31-1631-17 31-18 32-1 IPv6 Support on the Cisco ASR 901 Router32-2 Prerequisites for IPv6 Support on the Cisco ASR 901 RouterOverview of IPv6 BenefitsIPv6 Address Formats 32-3IPv6 Addressing and Discovery Static ConfigurationIPv6 Address Type Preferred Format Compressed Format 32-4Stateless Autoconfiguration ICMPv632-5 IPv6 Neighbor Discovery IPv6 Duplicate Address DetectionIPv4 and IPv6 Dual-Stack on an Interface 32-6Bidirectional Forwarding Detection for IPv6 Routing ProtocolsIS-IS Enhancements for IPv6 OSPFv3 for IPv6Configuring IPv6 Addressing and Enabling IPv6 Routing QoS for IPv632-8 32-9 Global configuration mode Configuring a Static IPv6 RouteEnables the forwarding of IPv6 unicast datagrams Enables Cisco Express Forwarding CEF globally onAdministrative-multicast-distance -Optional Enabling Stateless Auto-ConfigurationIpv6 address autoconfig 32-11Ipv6 enable or Implementing IPv6 on Vlan Interfaces32-12 32-13 Implementing IPv6 Addressing on Loopback InterfacesConfiguring ICMPv6 Rate Limiting Enable Configure terminal Ipv6 icmp error-interval interval32-14 Configuring IPv6 Duplicate Address Detection Ipv6 nd dad attempts value32-15 32-16 Configuring IPv6 Neighbor Discovery32-17 Configuring IPv6 and IPv4 Dual-Stack on the Same VlanConfigures an IPv4 address on the interface Configuring OSPFv3 for IPv6Configures IPv6 address on the interface Enables IPv6 address on the interfaceEnable Configure terminal Router isis area-tag Configuring IS-IS for IPv6Net network-entity-tag Ipv6 router isis area-name32-20 32-21 Configuring Multiprotocol-BGP for IPv6Configuring BFD for IPv6 Specifying a Static BFDv6 Neighbor32-22 Associating an IPv6 Static Route with a BFDv6 Neighbor Interface-number -SVI name32-23 32-24 32-25 Configuring BFDv6 and OSPFv332-26 Configuring BFDv6 for BGPExec mode Exits global configuration mode and enters privilegedImplementing QoS for IPv6 Verifying IPv6 Addressing RoutingVerifying a Static IPv6 Route 32-28Router# show ipv6 route Verifying IPv6 Implementation on Vlan Interfaces Verifying a Stateless Auto-Configuration32-29 Router# show ipv6 interface loopbackVerifying IPv6 Implementation on Loopback Interfaces Verifying ICMPv6 Configuration32-30 Router# show ipv6 interface loopback0Router# show ipv6 traffic 32-3132-32 Verifying IPv6 Duplicate Address Detection ConfigurationVerifying IPv6 and IPv4 Dual-Stack Configuration Verifying IPv6 Neighbor Discovery Configuration32-33 Router# show ipv6 neighbors detailAs shown in the example Verifying OSPFv3 for IPv6 Configuration32-34 Router# show ipv6 ospfVerifying Multiprotocol-BGP for IPv6 Configuration Verifying IS-IS for IPv6 Configuration32-35 Router# show isis ipv6 ribBGP 32-36Verifying BFD for IPv6 Configuration 32-37Router# show bfd neighbors 32-38 Verifying BFDv6 and OSPFv3 Configuration32-39 Verifying BFDv6 for BGP ConfigurationExample IPv6 Addressing on Vlan Interfaces Example Configuring IPv6 Duplicate Address DetectionExample IPv6 Addressing on Loopback Interfaces Example Customizing ICMPv6Example Enabling IPv6 Stateless Address Autoconfiguration Example Configuring IPv6 Neighborhood DiscoveryExample Configuring the IPv4 and IPv6 Dual-Stack Example Configuring IPv6 Static RoutingExample Configuring OSPFv3 for IPv6 Example Configuring BFD and Static Routing for IPv6Example Configuring BFD and OSPFv3 for IPv6 Following is a sample configuration of OSPFv3 for IPv6Example Configuring IS-IS for IPv6 Following is a sample configuration of IS-IS for IPv632-43 32-44 Example Configuring Multiprotocol-BGP for IPv632-45 Example Configuring BFD and Multiprotocol-BGP for IPv6Debug Commands Show Commands Platform Hardware Commands No ipv6 nd suppress-ra command to enableRoute advertisement messages. Also, define a Valid prefix pool for IPv632-47 32-48 32-49 32-50 Chapter of the IPv6 Configuration Guide provideBGP for IPv6 chapter of the IPv6 Configuration Guide Aggregation Services Router Software Configuration Guide32-51 32-52 33-1 Labeled BGP SupportOverview of Labeled BGP Support How to Configure Labeled BGP SupportVPN/VRF over RFC 33-2Configuration Example for Labeled Support Send-label option33-3 33-4 Verifying Labeled BGP SupportRouter# show bgp ipv4 unicast labels LabelsVpnv4 all label 33-5Vpnv4 vrf LTE12 label Router# show ip cef vrf LTE12 113.22.12.0 internal33-6 RFC-3107 Carrying Label Information in BGP-433-7 33-8 Feature Information for Labeled BGP Support34-1 Mpls Traffic Engineering Fast Reroute Link Protection34-2 BFD-triggered Fast Reroute R2 R334-3 Fast Reroute Link Protection34-4 Enabling Mpls TE-FRR on an SVI Interface Enables Mpls TE tunnel signaling on the specified interfaceEnabling Mpls TE-FRR for EoMPLS on a Global Interface Mpls traffic-eng tunnels34-6 Pseudowire-class pw-class-nameEnabling Mpls TE-FRR for EoMPLS on an Interface Xconnect peer-ip-address vc-id pw-classpw-class-name34-7 34-8 34-9 Enabling Mpls TE-FRR for IS-IS34-10 34-11 Configuring Primary One-hop Auto-Tunnels34-12 34-13 Configuring Backup Auto-Tunnels34-14 Mpls ldp discovery targeted-hello accept commandEnabling BFD Triggered FRR on an SVI Interface Ip rsvp signalling hello bfdMessages from all neighbors 34-15Enable Configure terminal Ip rsvp signalling hello bfd Configuration modeEnabling BFD Triggered FRR on a Router 34-16Verification Examples Verifying Mpls TE-FRR Configuration34-17 Router# show mpls traffic-eng tunnels briefRouter# show mpls traffic-eng tunnels backup Use the following command to verify the reservation detail34-18 Router# show mpls traffic-eng fast-reroute databaseVerifying Primary One-hop Auto-Tunnels Verifying Backup Auto-Tunnels34-19 Router# show ip rsvp fast-reroute34-20 Verifying BFD Triggered FRR ConfigurationDatabase 34-21Router# show ip rsvp hello 34-22Router# show ip rsvp interface detail 34-23Router# show ip rsvp hello bfd nbr Router# show ip rsvp hello bfd nbr detailExample Configuring Primary One-hop Auto-Tunnels Example Configuring Mpls TE-FRRExample Configuring Backup Auto-Tunnels Example Configuring BFD Triggered FRR34-25 Mpls TE FRR34-26 34-27 34-28 35-1 Layer 2 Control Protocol Peering, Forwarding, and TunnelingLayer 2 Control Protocol Forwarding Layer 2 Control Protocol Tunneling35-2 35-3 Default Action Configuration Option Configuring Layer 2 PeeringL2protocol peer protocol 35-435-5 Configuring Layer 2 ForwardingRouterconfig-if# service instance Ethernet Routerconfig-if# l2proto-forward tagged CdpProtocol-Specifies the protocol to be forwarded 35-635-7 Configuring Layer 2 Tunneling35-8 L2protocol tunnel protocol Bridge-domain bridge-idVerifying Layer 2 Forwarding Verifying Layer 2 PeeringVerifying Layer 2 Tunneling 35-9Example Configuring Layer 2 Forwarding Example Configuring Layer 2 PeeringFollowing is a sample configuration of layer 2 peering 35-1035-11 Example Configuring Layer 2 Tunneling35-12 Router35-13 35-14 Commands Cisco IOS LAN Switching Commands35-15 Following command was introduced l2proto-forward35-16 36-1 Configuring Inverse Muliplexing over ATM36-2 How to Configure IMAIma-groupima-group-number Configuring ATM IMA on T1/E1 InterfaceInterface ATMslot-number/IMAima-group-number No ip address Atm bandwidth dynamic No atm ilmi-keepaliveConfiguring ATM IMA over Mpls Configuring the T1/E1 Controller36-4 Clock source internal Configuring an ATM IMA InterfaceIma-groupgroup-number 36-5Disables the Ilmi keepalive parameters Configuring ATM over Mpls Pseudowire InterfaceYou can configure ATM over Mpls in the following modes 36-6Configuring an N-to-1 VCC Cell Mode Configuring a Port Mode PseudowireConfigures the ATM interface 36-7Enable Configure terminal Interface ATMslot/IMAgroup-number Configuring an N-to-1 vPC Cell ModeXconnect ip-addressport-numberencapsulation mpls one-to-one 36-836-9 ATM AAL5 SDU VCC TransportSets the encapsulation type to AAL5. AAL5 is the default Verifying IMA ConfigurationsL2transport encapsulation for the VCC mode 36-10Configuring Constant Bit Rate How to Configure ATM Class of ServiceEnters the global configuration mode 36-11Configuring Unspecified Bit Rate Mode36-12 ATM class of service with the rate equal to the bandwidth Configuring Unspecified Bit Rate PlusIMA links and the bandwidth of each link Ubr+ pcr-rate mcr-rateCircuit and specifies the bandwidth Configures the UBR+ QoS class for an ATM permanent virtualPcr-rate-Peak cell rate in Kbps Mcr-rate-Peak cell rate in MbpsExample Configuring a Port Mode Pseudowire Configuration ExamplesExample Creating an IMA Interface 36-15Example Configuring an N-to-1 VPC Cell Mode Example Configuring an N-to-1 VCC Cell ModeExample Configuring CBR Example Configuring UBRExample Configuring UBR Plus Configuring Marking Mpls Experimental BitsExample Configuring VBR for Real Time Traffic Example Configuring VBR for Non-Real Time TrafficApplying the Policy-map Applying a Policy map on PVC and PVP36-18 Sets the PVC encapsulation type to AAL0 Disables the Ilmi trap parametersAttaches a policy map to the input interface 36-1936-20 Applying a Policy map on ATM IMA InterfaceTable-maptable-map-name Creating a Table-map36-21 Interface ATM slot/IMA group-numberCreating a Policy-map for SVI Interface Default copyMap from from-value to to-value 36-22Applying a Service Policy on SVI Interface Mpls ip Service-policy output policy-map-name36-23 36-24 36-25 36-26 Feature Information for Inverse Multiplexing over ATM37-1 IPv6 over Mpls 6PE and 6VPE37-2 Benefits of 6PE and 6VPE IPv6 on Provider Edge Routers37-3 Components of MPLS-based 6VPE Network IPv6 on VPN Provider Edge RoutersIPv6 router on the customer PE equipment, connected to CEs and entry37-5 Supported FeaturesConfiguring 6PE How to Configure IPv6 over Mpls 6PE and 6VPEScalability Numbers Interface NumbersAddress-family ipv6 Exit-address-family37-7 37-8 Configuring 6VPE Setting up IPv6 Connectivity from PE to CE Routers37-9 VRF table for an IPv6 address Setting up MP-BGP Peering to the Neighboring PEVrf-name-Optional a specific VRF table for an IPv6 37-10Enable the exchange of information with a BGP neighbor Places the router in address family configuration mode forAddress prefixes Extended-Specifies that only extended communities will be37-12 Setting up MPLS/IPv4 Connectivity with LDP37-13 Creating IPv6 VRFs on PE RoutersSessions that use standard IPv4 address prefixes To configure dual-stack VRF, complete the following steps37-14 Address-family ipv437-15 Verifying IPv6 over Mpls 6PE and 6VPE ConfigurationRouter# show bgp vpnv6 unicast all Router# show ipv6 protocols vrf vpe1Router# show ipv6 cef vrf cisco1 37-1637-17 Router# show ipv6 route vrfRouter# show mpls forwarding-table vrf vpe1 Following is a sample configuration of 6PE Example Configuring 6PE37-18 Router# show bgp ipv6 200133/64Example Configuring 6VPE Following is a sample configuration of 6VPE37-19 37-20 37-21 Feature Information for IPv6 over Mpls 6PE and 6VPE37-22 38-1 Storm Control38-2 Configuring Storm Control38-3 38-4 Verifying Storm ControlErrdisable recovery cause Configuring Error Disable Recovery38-5 Storm-controlSeconds-Specifies the time to recover from a specified Monitoring Error Disable RecoveryError-disable cause CauseConfiguration Example for Storm Control 38-7Router# debug platform hardware ether SC 38-8 38-9 Feature Information for Storm Control38-10 39-1 Remote Loop-Free Alternate Fast Reroute39-2 Remote LFA-FRR Link Protection 39-3Benefits of Remote LFA-FRR Pseudowire Redundancy over FRRAvoiding Traffic Drops 39-4Conditions for Switchover CESoPSN, SAToP, and ATM/IMA39-5 39-6 Configuring Remote LFA-FRR for IS-ISSpecifies an IP address for the specified interface Switch Virtual Interface SVI39-7 Ip router isis39-8 39-9 Configuring Remote LFA-FRR for OspfEnables the Ospf routing protocol and enters the router 39-10Router ospf Configuring Remote LFA-FRR for Ethernet and TDM Pseudowires Enables Mpls LDP synchronization on interfaces for an Ospf39-11 Accept-Configures the router to respond to requests for Configuring Remote LFA-FRR on a Global InterfaceTargeted hello messages from all neighbors 39-1239-13 Configuring Remote LFA-FRR on a GigabitEthernet Interface39-14 Configuring Remote LFA-FRR on an SVI Interface39-15 Configuring Remote LFA-FRR on IS-IS39-16 Passive-interfaceinterface-type interface-number39-17 39-18 Disables sending routing updates on an interface Configuring LFA-FRR for EoMPLSBackup peer peer-ip-address vc-id 39-19Enables automatic negotiation Removes an IP address or disables IP processing39-20 Negotiation auto39-21 Configuring LFA-FRR for ATM/IMA39-22 Backup peer peer-ip-address Configuring LFA-FRR for CESoPSNExit Interface CEM slot/port No ip address 39-2339-24 Configuring LFA-FRR for SAToP Exit Interface CEM slot/port39-25 39-26 39-27 Verification Examples for Remote LFA-FRR39-28 Verifying Remote LFA-FRR ConfigurationRouter# show ip ospf fast-reroute remote-lfa tunnels Router# show ip cef 171.1.1.0 internal39-29 Router# show ip ospf ribRouter# show isis fast-reroute remote-lfa tunnels 39-30 Router# show isis ribRouter# show mpls l2transport vc 1 detail 39-31 Router# show mpls l2transport vc 3001 detail 39-32Verifying Remote LFA-FRR Configuration on ATM/IMA Verifying Remote LFA-FRR Configuration on IS-IS39-33 Router# show mpls l2 vc 90 detailVerifying Remote LFA-FRR Configuration on CESoPSN 39-34Router# show mpls l2 vc 111 detail Configuration Examples for Remote LFA-FRR Verifying Remote LFA-FRR Configuration on SAToP39-35 Example Configuring Remote LFA-FRR for Ospf Example Configuring Remote LFA-FRR for IS-ISExample Configuring Remote LFA-FRR Globally 39-36Example Configuring EoMPLS Pseudowire Redundancy over FRR Example Configuring Remote LFA-FRR on an SVI InterfaceExample Configuring LFA-FRR on ATM/IMA 39-37Example Configuring LFA-FRR on CESoPSN Example Configuring LFA-FRR on SAToP39-38 39-39 39-40 Reroute,40-1 Digital Optical MonitoringEnters transceiver type configuration mode How to Enable Transceiver MonitoringRouterconfig# transceiver type all 40-2Examples Show interfaces transceiver commandExample Displaying Transceiver Information 40-3Example Displaying Detailed Transceiver Information 40-4Router# show interfaces transceiver detail 40-5 Example Displaying List of Supported Transceivers40-6 Example Displaying Threshold Tables40-7 40-8 Example Displaying Threshold Violations Example When Transceiver Monitoring is Disabled40-9 Router# show interfaces transceiver threshold violations40-10 Example Displaying SPF DetailsSCP6G44-C1-BMH 40-1140-12 SFF-847240-13 Feature Information for Digital Optical Monitoring40-14 41-1 IPv4 Multicast41-2 PIM SSM for IPv4 Supported ProtocolsSource Specific Multicast Protocol Independent MulticastIGMPv2 IGMPv1IGMPv3 41-4PIM SSM Mapping Ip igmp static ssm-map commandReverse Path Forwarding Static SSM MappingEnables multicast routing Configuring IPv4 MulticastEnabling IPv4 Multicast Routing Ip pim sparse-mode Asr901-multicast sourceEnable Configure terminal Ip pim ssm default Configuring PIM SSMIp pim sparse-mode Ip igmp version 41-7Configuring PIM SSM Mapping Ip igmp ssm-map static access-list source-address41-8 Verifying IPv4 Multicast Routing Verifying PIM SSM41-9 41-10 Verifying PIM SSM MappingRouter# show ip mroute Router# show ip igmp ssm-mappingShow ip igmp groups group-address Configuration Examples for IPv4 MulticastShow ip igmp groups interface-type interface-number Show ip igmp groups interface-type detailExample Configuring PIM SSM Mapping Example Configuring PIM SSMExample IPv4 Multicast Routing 41-12Example Configuring Rendezvous Point 41-13Router# debug ip igmp 41-14 41-15 41-16 Feature Information for IPv4 Multicast41-17 IGMPv2,41-18 42-1 IPv6 Multicast42-2 IPv6 Multicast Routing Implementation IPv6 Multicast GroupsMulticast Listener Discovery Protocol for IPv6 42-342-4 Protocol Independent MulticastPIM Source Specific Multicast PIM-Sparse ModeSource Specific Multicast Mapping for IPv6 42-5Enabling IPv6 Multicast Routing Configuring IPv6 MulticastRendezvous Point 42-6Enable Configure terminal No ipv6 mfib Disabling IPv6 Multicast Forwarding42-7 Disabling MLD Device-Side Processing Disables IPv6 multicast forwarding on the routerNo ipv6 mld router 42-8Configuring MLD Protocol on an Interface 42-9No ipv6 mld router 42-10 Configuring a Rendezvous PointConfiguring PIM SSM Options Enable Configure terminal Ipv6 pim42-11 Disables PIM on the specified interface Configuring IPv6 SSM MappingDisabling PIM SSM Multicast on an Interface No ipv6 pimVerifying IPv6 Multicast Configure terminal Ipv6 mld vrf vrf-namessm-map enableNo ipv6 mld vrf vrf-namessm-map query dns 42-13Router# show ipv6 mld interface gigabitethernet 0/1 42-14Router# show ipv6 mld traffic Router# show ipv6 pim interface42-15 Router# show ipv6 mld groups summaryRouter# show ipv6 pim neighbor count Router# show ipv6 pim neighbor 42-16Router# show ipv6 mroute Router# show ipv6 pim topologyRouter# show ipv6 pim topology route-count 42-17Router# show ipv6 pim group-map FF0EE0111 Router# show ipv6 pim range-list42-18 Router# show ipv6 pim trafficRouter# show ipv6 pim join-prune statistic 42-19 Following exampleRouter# show ipv6 mfib status 42-20Router# show ipv6 mfib summary Router# show ipv6 mfib interfaceExample Configuring IPv6 SSM Mapping Configuration Examples for IPv6 MulticastExample Enabling IPv6 Multicast Routing 42-2142-22 Command Name Description42-23 Feature Information for IPv6 Multicast Chapter of the IP Multicast PIM Configuration Guide42-24 42-25 Chapter of the IP Multicast LSM Configuration Guide42-26 Configuring Switched Port Analyzer Span Limitations and Configuration Guidelines43-1 Understanding Span Following sections describe Span43-2 Span Session Source Interface43-3 Destination Interface Configuring SpanTraffic Types Span Traffic43-5 Removing Sources or Destination from a Span SessionEnable Configure terminal No monitor session sessionnumber Configuration Examples for SpanClears existing Span configuration for a session Verifying Local SpanRspan Vlan 43-743-8 43-9 Feature Information for Switched Port Analyzer43-10 IN-1 See BSCIN-2 IN-3 IN-4 IN-5 IN-6 See MSCIN-7 IN-8 IN-9 IN-10