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Text Part Number OL-23826-09
 Copyright 2011-2013, Cisco Systems, Inc
 N T E N T S
Iii
 Related Documents Standards MIBs
 Standards MIBs
 Searching and Filtering Output of show and more Commands
 Split-Horizon8-6
Vii
 Restrictions
Viii
 Manually Configuring an IP SLA CFM Probe or Jitter Operation
 Restrictions
 Overview
 Setting up Manual Preemption for Vlan Load Balancing
Xii
 Configuring Mpls VPNs
Xiii
 Xiv
19-6
 Verifying Local Switching
 Verifying the Synchronous Ethernet configuration
Xvi
 Cisco IOS IP SLA
Xvii
 Marking
Xviii
 Xix
 Technical Assistance
 Configuring Hsrp
Xxi
 Configuring Link Layer Discovery Protocol
Xxii
 How to Configure Bert
Xxiii
 Xxiv
32-2
 Configuring IPv6 Duplicate Address Detection
Xxv
 Troubleshooting Tips
 BFD
Xxvii
 Verifying Layer 2 Tunneling
Xxviii
 Configuring Unspecified Bit Rate
Xxix
 Creating IPv6 VRFs on PE Routers
Xxx
 Technical Assistance
Xxxi
 Finding Feature Information
Xxxii
 Igmp
Xxxiii
 IPv6 Multicast Groups
Xxxiv
 Span Traffic
Xxxv
 Xxxvi
 About This Guide
Document Revision History
Document Number Date Change Summary
 Xxxviii
 Xxxix
 OL-23826-09
 Xli
 Xlii
 Xliii
 Xliv
 Xlv
 Xlvi
 Organization
Objectives
Audience
Xlvii
 Mpls OAM
Xlviii
 SLA
Xlix
 Convention Description
Conventions
Chapter Description
Boldface font
 To access the related documentation on Cisco.com, go to
Related Documentation
Release Notes
 Lii
 Cisco ASR 901 Router Overview
 Introduction
Features
Performance Features
This section contains the following topics
 Manageability Features
Management Options
 Security Features
Quality of Service and Class of Service Features
 Layer 3 Features
Layer 3 VPN Services
Monitoring Features
 OL-23826-09
 Finding Feature Information
Contents
Licensing
 Following licenses are supported
Feature Overview
Licenses Supported on Cisco ASR 901 Router
License Sl.No Chassis PID License PID Description
 Licensing Licenses Supported on Cisco ASR 901 Router
 License Features
Feature Based License
Features Supported
License Types
 1588BC License
Port or Interface Behavior
Port Based/Mode License
Port Number Port Type Chassis PID License Required
 Port Based License
Example When Port Based License is not Installed
Example When Port Based License is Installed
Router# show ip interface brief
 Routerconfig# interface gig 0/0
10gigUpgrade License
Example When 10gigUpgrade License is not Installed
Router# show interface Ten0/1
 Following is a sample output from the show license command
Example When 10gigUpgrade License is Installed
Example When Flexi License is not Installed
Flexi License
 Example When 1588BC License is Installed
Example When Flexi License is Installed
Example When 1588BC License is not Installed
Following example shows how to install the 1588BC license
 Removing the 1588BC License
Use the license clear command to remove the 1588BC license
Routerconfig-ptp-clk#no ptp clock boundary domain
Router# license clear 1588BC
 License install license-file-name
Installing the License
Enable License install Copy tftp flash Show flash
Generating the License
 Command Purpose
Changing the License
Example
 Example RMA Process
Return Materials Authorization License Process
Router# license install ?
Router# copy tftp flash
 Where to Go Next
To verify the new license, use the show license command
 RFCs
Standards
MIBs
Standard
 Technical Assistance
Description Link
 Feature Information for Licensing
Feature Name Releases Feature Information
 OL-23826-09
 First-Time Configuration
Setup Mode
Before Starting Your Router
 Using Setup Mode
Configuring Global Parameters
 Enter a hostname for the router this example uses
 Completing the Configuration
 Configuring the Hostname and Password
Password prompt appears. Enter your password
Verifying the Cisco IOS Software Version
 Router# configure terminal
Verifying the Hostname and Password
Exit back to global configuration mode
Router# show config
 Managing and Monitoring Network Management Features
 Network Management Features for the ASR
This section contains the following procedures
 Enter your password if prompted
Configuring Snmp Support
Enables privileged Exec mode
Enters global configuration mode
 Protocol
Form of this command removes the specified community string
String-Community string is the password to access the Snmp
View view-name-Optional Previously defined view. The view
 Envmon voltage shutdown supply fan temperature -When
Command
Notification-type -snmp authentication -Enables RFC
Temperature
 Snmp-server host command
 Command Purpose
 Enable Configure terminal
Configuring Remote Network Management
Exits global configuration mode
Interface loopback number
 Command or Action Purpose
 Zero-Touch Deployment
 Image Download
Zero-touch Deployment
 Specifies to exclude IP address of the Dhcp server
Configuring a Dhcp Server
Network ip-address subnet-mask
Ip dhcp
 Configuring a Tftp Server
Creating a Bootstrap Configuration
 Configuring the Cisco Configuration Engine
Enabling a Tftp Server on the Edge Router
 Example Configuring Remote Network Management
Configuration Examples
Example Configuring Snmp Support
Example Configuring a Dhcp Server
 Related Documents
Additional References
Example Zero-touch Deployment
Related Topic Document Title
 MIBs
 Network Management Features for the ASR
 Using the Command-Line Interface
Understanding Command Modes
 Exit, or logout
Entered. Use a password
User Exec Log
Use the interface
 Ctrl-Z or enter end
Understanding the Help System
Line console
Help
 Understanding CLI Error Messages
Understanding Abbreviated Commands
Understanding no and default Forms of Commands
Router# show conf
 Error Message Meaning How to Get Help
Using Command History
Changing the Command History Buffer Size
Range is from 0 to
 Disabling the Command History Feature
Using Editing Features
Recalling Commands
Enabling and Disabling Editing Features
 Press Ctrl-Y
Editing Commands through Keystrokes
Capability Keystroke1 Purpose
Backspace key
 Return and Space bar
Editing Command Lines that Wrap
Press Ctrl-V or Esc Q
Press Ctrl-L or Ctrl-R
 Accessing the CLI
Command begin include exclude regular-expression
Router# show interfaces include protocol
 Saving Configuration Changes
 Software Upgrade
Selecting a Cisco IOS Image
Upgrading the Cisco IOS image
 Copy the IOS Image from the Tftp server
If the right steps are not followed properly
Router# show file system
 Verify the Cisco IOS image in the file system
Save the configuration and reload the router
Verify the Cisco IOS upgrade
Router# verify flashasr901-universalk9-mz.151-2.SNG
 Auto Upgrading the MCU
Router# show version
 Manually Upgrading the Rommon
 Auto Upgrade of Rommon
Rommon AUTOUPGRADEROMMON=TRUE False
Router# upgrade rom-monitor internal
 To configure the GE interface, complete the following steps
Configuring Gigabit Ethernet Interfaces
Configuring the Interface
Enters enable mode
 Setting the Speed and Duplex Mode
Cdp enable
Gigabitethernet 0/1
 Enabling the Interface
Modifying MTU Size on the Interface
Mtu bytes
 No mtu or default mtu command
Verifying the MTU Size
 MAC Flap Control
Configuring MAC FLap Control
Complete the following steps to configure MAC Flap control
Restrictions and Limitations
 Mac-flap-ctrl on per-mac mac-movement
Configuring a Combo Port
Restrictions
Time-interval
 Auto-select-Specifies dynamic selection
Configures the media type
Exits interface configuration mode and enters
Physical connection
 Verifying the Media Type
Router# show interface gigabitethernet 0/1
Router# show interface gigabitethernet 0/7
 Configuring Ethernet Virtual Connections
 Supported EVC Features
 Understanding EVC Features
Service Instances and EFPs
Ethernet Virtual Connections
 Encapsulation
 Configures default encapsulation
Bridge Domains
To the appropriate EFP
 Dhcp Client on Switch Virtual Interface
Split-Horizon
Rewrite Operations
 Configuring EFPs
Default EVC Configuration
Configuration Guidelines
 Creating Service Instances
 Show ethernet service instance
Service instance number ethernet name
Default
Copy running-config startup-config
 Example Encapsulation Using a Vlan Range
Configuration Examples of Supported Features
Example Configuring a Service Instance
Example Bridge Domains and Vlan Encapsulation
 Example Rewrite
Router config-if-srv#rewrite ingress tag pop 1 symmetric
Router config-if-srv#rewrite ingress pop 1 symmetric
Example Split Horizon
 Configuration Examples of Unsupported Features
Example Filtering
Example Overlapping Encapsulation
 How to Configure EVC Default Encapsulation
Configuring EVC Default Encapsulation with Bridge-Domain
Interface type number
 Configuring EVC Default Encapsulation with Xconnect
Configures the default service instance
An identifier
 Verifying EVC Default Encapsulation with Bridge-Domain
 Configuration Examples for EVC Default Encapsulation
Configuring Other Features on EFPs
Verifying EVC Default Encapsulation with Xconnect
Example Configuring EVC Default Encapsulation with Xconnect
 EFPs and EtherChannels
MAC Address Forwarding, Learning and Aging on EFPs
 No mac-address-table learning vlan vlan-id
Interface type slot/port
 Addresses learned on a particular VLAN/BD
End Return to privileged Exec mode
Routerconfig# no mac-address-table learning vlan
Router# show mac-address-table
 Router# show mac-address-table interface 0/9
Configuring Ieee 802.1Q Tunneling using EFPs
802.1Q Tunneling QinQ
Router# show mac-address-table interface port-channel
 1shows the tag structures of the double-tagged packets
 Configuration Examples
You can use EFPs to configure 802.1Q tunneling in two ways
 Configuration Example
Cisco ASR 901 router supports pop 2 configuration
Routed QinQ
 Example Configuring Bridge-Domain Routing
Bridge Domain Routing
 Configures the Vlan interface and enters interface
How to Configure Dhcp Client on SVI
Configuring Dhcp Client on SVI
Interface type-number
 Configuration Example for Dhcp Client on SVI
Verifying Dhcp Client on SVI
 EFPs and Switchport MAC Addresses
EFPs and Mstp
 Command Description
Monitoring EVC
 Sample 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 Overview
Understanding How EtherChannels Work
 Understanding Manual EtherChannel Configuration
Understanding How EtherChannels Are Configured
EtherChannel Configuration Overview
Understanding Ieee 802.3ad Lacp EtherChannel Configuration
 Active mode Passive mode
Passive mode
Passive mode Active mode
Router a Router B Result
 EtherChannel Configuration Guidelines and Restrictions
Understanding Port-Channel Interfaces
Understanding Load Balancing
 Configuring Etherchannels
Configuring Channel Groups
 Configuring the Lacp System Priority and System ID
Configuration examples for Lacp system priority
 Configuring the Lacp Transmit Rate
Lacp rate fast normal End
 Configuring EtherChannel Load Balancing
Configuration Examples
Verifying the Lacp Transmit Rate
 Enable Configure terminal Interface port-channel number
Modifying MTU Size on Port-Channel
Verifying the MTU Size on Port-Channel
 EVC On Port-Channel
Restrictions for EVC EtherChannel
 Router# show ethernet service evc id evc-idinterface
Configuring EVC on Port-Channel
Verifying the Configuration
Router# show ethernet service instance interface
 Troubleshooting
Problem Solution
 Configuring Ethernet OAM
Contents
 IP SLA Support for CFM
Configuring Ethernet CFM
Understanding Ethernet CFM
10-2
 Configuring the CFM Domain
Default Ethernet CFM Configuration
Ethernet CFM Configuration Restrictions and Guidelines
Configure terminal Enter global configuration mode
 10-4
 Is 2 to 255 the default is
Second, 10 seconds, 1 minute and 10 minutes. The default
We do not recommend configuring a large number
Optional Configure the maximum number of MEPs
 Example for Basic CFM configuration
10-6
 Exit
Configuring Multi-UNI CFM MEPs in the Same VPN
Restrictions
10-7
 Cfm mep domain domain-name mpid identifier
10-8
 Alias alias-short-ma-name icc icc-code meg-id
Number ma-number vlan-id vlan-id vpn-id vpn-id
10-9
 10-10
 10-11
 Configuring Ethernet CFM Crosscheck
10-12
 Static
Configuring Static Remote MEP
Continuity-check static rmep
10-13
 Configuring a Port MEP
Service ma-name ma-number vpn-id port
10-14
 Configuring Snmp Traps
10-15
 Ethernet jitter mpid identifier domain domain-name
Configuring IP SLA CFM Operation
Ethernet echo mpid identifier domain domain-name
10-16
 Seconds to keep the operation in memory when it is not
Repeats. The range is from 1 to 604800 seconds the default
Allowed by the protocol being used the default is 66 bytes
Seconds. The default is 0 seconds
 10-18
 Configuring CFM over EFP with Cross Connect
Show the configured IP SLA operation
10-19
 Configuring CFM over EFP Interface with Cross Connect
10-20
 Example for untagged Encapsulation
10-21
 Example for single tag Encapsulation
10-22
 10-23
 Configuring CFM with EVC Default Encapsulation
Cfm mep domain domain-name mpid mpid-value
10-24
 Verifying CFM with EVC Default Encapsulation
10-25
 Default Y.1731 Configuration
Configuring Y.1731 Fault Management
Example Configuring CFM with EVC Default Encapsulation
10-26
 Configuring ETH-AIS
10-27
 Show ethernet cfm smep interface interface-id
Configuring ETH-LCK
Show ethernet cfm error
Ethernet cfm lck link-status global
 10-29
 Managing and Displaying Ethernet CFM Information
 10-31
 Understanding the Ethernet OAM Protocol
10-32
 Benefits of Ethernet OAM
OAM Features
Following OAM features are defined by Ieee 802.3ah
10-33
 Link Monitoring
10-34
 Setting Up and Configuring Ethernet OAM
This section includes the following topics
10-35
 Enabling Ethernet OAM on an Interface
Default Ethernet OAM Configuration
Restrictions and Guidelines
Ethernet oam
 Show ethernet oam status interface interface-id
Ms mode active passive timeout seconds
Ethernet oam max-rate oampdus min-rate seconds
10-37
 Configuring Ethernet OAM Link Monitoring
Enabling Ethernet OAM Remote Loopback
10-38
 10-39
 Ethernet oam link-monitor frame-seconds
Ethernet oam link-monitor frame-period
Threshold high high-frames none low
10-40
 No ethernet link-monitor on
Configuring Ethernet OAM Remote Failure Indications
Ethernet oam link-monitor receive-crc threshold
10-41
 Error-disable-interface
Configuring Ethernet OAM Templates
Dying-gasp link-fault action
Ethernet oam remote-failure critical-event
 10-43
 Ethernet oam link-monitor high threshold action
Threshold high high-seconds none low
Low-seconds window milliseconds
Source-template template-name
 Show ethernet oam statistics interface interface-id
Displaying Ethernet OAM Protocol Information
Show ethernet oam discovery interface interface-id
Show ethernet oam summary
 Verifying an OAM Session
Verifying Ethernet OAM Configuration
Verifying Information Oampdu and Fault Statistics
Verifying OAM Discovery Status
 Verifying Link Monitoring Configuration and Status
10-47
 10-48
Understanding E-LMI
Verifying Status of the Remote OAM Client
Active
 Restrictions
Configuring E-LMI
Default E-LMI Configuration
10-49
 Enabling E-LMI
10-50
 Displaying E-LMI Information
Configuring Ethernet Loopback
Understanding Ethernet Loopback
10-51
 Enabling Ethernet Loopback
10-52
 10-53
 10-54
 10-55
 Configuring Y.1564 to Generate Ethernet Traffic
10-56
 Internal Mode
10-57
 Specify the SLA ID to start the IP SLA session
Configuring IP SLA for Traffic Generation
Routerconfig# ip sla
10-58
 Measurement-type direction -Specifies the statistics
10-59
 10-60
 Example Two-Way Measurement
10-61
 10-62
 ITU-T Y.1731 Performance Monitoring
Prerequisites for ITU-T Y.1731 Performance Monitoring
11-1
 Restrictions for ITU-T Y.1731 Performance Monitoring
Information About ITU-T Y.1731 Performance Monitoring
11-2
 Frame Delay and Frame-Delay Variation
Two-way Delay Measurement
11-3
 Single-ended ETH-SLM
Frame Loss Ratio
On-Demand and Concurrent Operations
11-4
 Supported interfaces
How to Configure ITU-T Y.1731 Performance Monitoring
Benefits of ITU-T Y.1731 Performance Monitoring
11-5
 Configuring Two-Way Delay Measurement
Max-delaymilliseconds Owner owner-id
11-6
 Mac-address target-address -Specifies
Mac-address source-address -Specifies
11-7
 Boundary ,...,boundary -Lists upper
11-8
 Configuring Single-Ended Synthetic Loss Measurement
Enable Configure terminal Asr901-platf-multi-nni-cfm
11-9
 11-10
 Mac-addresstarget-address-Specifies
Mac-addresssource-address-Specifies
11-11
 Exits IP SLA configuration mode and enters global
Exits IP SLA Y.1731 loss configuration mode
Enters IP SLA configuration mode
Owner-id-Specified the name of the Snmp
 Number-of-measurements argument. The range is
Threshold-type average
Number-of-measurements -Optional When
Threshold-type consecutive
 Prerequisites
Threshold-type immediate -Optional When a
Scheduling IP SLAs Operations
Threshold-value upper-threshold
 Range of operation numbers to be scheduled for a
Individual IP SLAs operation
Specifies an IP SLAs operation group number
Multi-operation scheduler
 Router# show ip sla configuration
11-16
Router-1#show running interface gigabitethernet0/0
 Router# show ethernet cfm pm session summary
Example Verifying Ethernet CFM Performance Monitoring
11-17
Router# show ethernet cfm pm session detail
 Example Verifying History for IP SLAs Operations
11-18
Router# show ip sla history interval-statistics
 Configuring Direct On-Demand Operation on a Sender MEP
11-19
 Configuring Referenced On-Demand Operation on a Sender MEP
11-20
 Example On-Demand Operation in Direct Mode
11-21
 Example On-Demand Operation in Referenced Mode
11-22
Router# ip sla on-demand ethernet slm 2002 duration
 Following URL
Releases, and feature sets, use Cisco MIB Locator found at
Ieee 802.1ag ITU-T Y.1731 MEF
11-23
 11-24
 Feature Name Releases Feature Information
11-25
 11-26
 Overview
Configuring Resilient Ethernet Protocol
Understanding Resilient Ethernet Protocol REP
12-1
 12-2
REP Open Segments
 12-3
No-neighbor Topology
 Vlan Load Balancing VLB
Link Integrity
Fast Convergence
12-4
 12-5
Neighbor Offset Numbers in a Segment
 REP Ports
12-6
 REP Configuration Guidelines
Configuring Resilient Ethernet Protocol REP
Default REP Configuration
12-7
 12-8
 Configuring the REP Administrative Vlan
12-9
 Configuring REP Interfaces
12-10
 Enter the physical Layer 2 interface or port channel ID.
Routerconfig# interface Gigabitethernet0/1
Service instance instance-id
Port-channel range is 1 to
 12-12
 12-13
 Verifies the REP interface configuration
File
12-14
 Configuring REP as Dual Edge No-Neighbor Port
12-15
 12-16
 Rep segment segment-id edge no-neighbor
Primary preferred
12-17
 Cisco ASR 901 Dual Rep Edge No-Neighbor Topology Example
76001
12-18
 76002
12-19
 Setting up Manual Preemption for Vlan Load Balancing
12-20
 Configuring Snmp Traps for REP
12-21
 Trap-rate command
Monitoring REP
12-22
 12-23
 Configuring a REP Interface Example
Configuration Examples for REP
Configuring the REP Administrative Vlan Example
This section contains the following examples
 Monitoring the REP Configuration Example
Setting up the Preemption for Vlan Load Balancing Example
Configuring Snmp Traps for REP Example
12-25
 Cisco ASR 901 Topology Example
12-26
 ASR2
12-27
 12-28
 12-29
 12-30
 Configuring MST on EVC Bridge Domain
Overview of MST and STP
13-1
 Overview of MST on EVC Bridge Domain
Restrictions and Guidelines
13-2
 13-3
MST0
 Configuring MST on EVC Bridge Domain
13-4
 Specifies the gigabit ethernet interface to configure
Slot/port-Specifies the location of the interface
13-5
 Configuration Example for MST on EVC Bridge Domain
Verification
13-6
 13-7
Router# show spanning-tree vlan
 This example shows MST on port channels
13-8
Router# show spanning-tree mst
 Troubleshooting Tips
13-9
 13-10
 Configuring Multiprotocol Label Switching
14-1
 14-2
 Configuring EoMPLS
Understanding EoMPLS
15-1
 Configuring EoMPLS
15-2
 EoMPLS Configuration Example
15-3
 Specifies an interface to configure
Configuring Pseudowire Redundancy
Configuration Commands
Configures encapsulation type for the service instance
 Show mpls l2t vc id
Configure terminal Enters global configuration mode Example
Port Based EoMPLS
15-5
 Routerconfig# xconnect Encapsulation mpls
15-6
 Configuring Mpls VPNs
Understanding Mpls VPNs
16-1
 PE1 Configuration
Configuring Mpls VPNs
Configuration Examples for Mpls VPN
16-2
 Configuring Mpls VPNs Configuration Examples for Mpls VPN
16-3
 16-4
 Provider Configuration
16-5
 PE2 Configuration
Interface details
16-6
 Ospf and BGP details
16-7
 Loop Back details
16-8
 16-9
 16-10
 LSP Ping
Configuring Mpls OAM
Understanding Mpls OAM
17-1
 LSP Traceroute
Configuring Mpls OAM
LSP Ping over Pseudowire
17-2
 Using LSP Ping for Pseudowire
Using LSP Ping for LDP IPv4 FEC
Using LSP Traceroute for LDP IPv4 FEC
Ping mpls ipv4
 Show mpls l2transport binding vcid
Using LSP Traceroute over Pseudowire
Displaying AToM Vccv capabilities
Vc-id-value
 Asr901-ecmp-hash-config global-type
Configuring Routing Protocols
Changing Default Hashing Algorithm for Ecmp
18-1
 18-2
 Configuring BFD
Understanding BFD
19-1
 Configuring BFD for Ospf on One of More Interfaces
BFD Configuration Guidelines and Restrictions
Configuring BFD for Ospf
Enables BFD for Ospf on the interface
 Specifies the BFD session parameters
Configuring BFD for Ospf on All Interfaces
Creates a configuration for an Ospf process
Process
 Configuring BFD for IS-IS on a Single Interface
Configuring BFD for BGP
Configuring BFD for IS-IS
19-4
 Configuring BFD for IS-IS for All Interfaces
19-5
 Configuring BFD for Static Routes
19-6
 BFD with Ospf on Individual Interfaces
Configuration Examples for BFD
BFD with Ospf on All Interfaces
19-7
 BFD with IS-IS on Individual Interfaces
BFD with BGP
BFD with IS-IS on All Interfaces
19-8
 BFD with Static Routes
19-9
 19-10
 Configuring T1/E1 Controllers
Configuring the Card Type
20-1
 Configuring E1 Controllers
Subslot
20-2
 Channel-group channel-no timeslots timeslot-list 64 command
20-3
 Configuring T1 Controllers
20-4
 Troubleshooting Controllers
Troubleshooting E1 Controllers
20-5
 Receiver
Troubleshooting T1 Controllers
Payload loopback mode of the framer. The framer re-clocks
Incoming traffic
 Path to the receiver path
20-7
Local line
 20-8
 Configuring Pseudowire
21-1
 Understanding Pseudowires
Structure-Agnostic TDM over Packet
21-2
 Limitations
Hot Standby Pseudowire Support for ATM/IMA
Transportation of Service Using Ethernet over Mpls
21-3
 Xconnect ip pw-class pseudowire-class
Configuring Pseudowire
Configuring Pseudowire Classes
Cem group-number
 21-5
 Cem group-number Cem class cem-class-name
Configuring CEM Classes
Class cem cem-class-name
Xconnect ip-addressencapsulation mpls
 21-7
 Specifies the CEM class name
Configuring a Backup Peer
Enable Configure terminal Interface cemslot/port
Xconnect peer-loopback-ip-addressencapsulation mpls
 Configuring Structure-Agnostic TDM over Packet
Xconnect ip-addressencapsulation mpls Exit
21-9
 30.30.30.2 255.255.255.255
21-10
 Xconnect peer-router-id vcid pseudowire-class name
Configuring a SAToP Pseudowire with UDP Encapsulation
Pseudowire-classpseudowire-class-name
Udp port local-udp-port remote remote-udp-port
 21-12
 Remote peer
Values for SAToP pseudowires using UDP are from
Exits the configuration mode
Exits the CEM interface
 Exit Interface CEMslot/port
Enable Configure terminal Controller e1 t1 slot/port
Cem-groupgroup-number timeslots timeslot
Xconnect ip-addressencapsulation mpls Exit End
 Defines a CEM channel
Configuring a CESoPSN Pseudowire with UDP Encapsulation
Exits configuration mode
Recommend that you build a route from the xconnect address
 Exits pseudowire-class configuration mode
Udp port local localudpport remote remoteudpport
21-16
 21-17
 QoS for CESoPSN over UDP and SAToP over UDP
21-18
 21-19
Service instance instance-number
Although the symmetric keyword appears to be optional, you
Xconnect ip-addressencapsulation
 Creates a CEM interface and assigns it a CEM group number
Configuring L2VPN Pseudowire Redundancy
Selects an E1 or T1 controller
21-20
 21-21
 Backup peer peer-router-ip-addr vcid
Configuring ATM/IMA Pseudowire Redundancy in PVC Mode
Example Pseudowire Redundancy
Interface interface-name
 21-23
 Vpi-ATM network virtual path identifier VPI of the VC to
Configuring ATM/IMA Pseudowire Redundancy in PVP Mode
Or more virtual circuits VCs
Multiplex on the permanent virtual path
 Configuring ATM/IMA Pseudowire Redundancy in Port Mode
Transport over Mpls AToM static pseudowire
21-25
 21-26
Verifying Hot Standby Pseudowire Support for ATM/IMA
Peer-router-ip-addr-IP address of the remote peer router
Router# show mpls l2transport vc
 TDM Local Switching
21-27
 Configuring TDM Local Switching on a T1/E1 Mode
21-28
 Configuration Example for Local Switching
Verifying Local Switching
21-29
 ATM/IMA
21-30
 Configuration Examples for Pseudowire
Example TDM over Mpls Configuration-Example
21-31
 21-32
 Asrb
21-33
 Following configuration uses CESoSPN with UDP encapsulation
Example CESoPSN with UDP
21-34
 Example Ethernet over Mpls
21-35
 21-36
 Feature Information for Configuring Pseudowire
21-37
 21-38
 Configuring Clocking
Restrictions
22-1
 Configuring Network Clock for Cisco ASR 901 Router
22-2
 Configuring Network Clock in Global Configuration Mode
22-3
 22-4
 Example for GPS interface
22-5
 Configuring Network Clock in Interface Configuration Mode
22-6
 Ethernet Synchronization Messaging Channel
Understanding SSM and Esmc
Synchronization Status Message
Clock Selection Algorithm
 Esmc behavior for Port Channels
Configuring Esmc in Global Configuration Mode
QL-disabled mode
Esmc behavior for STP Blocked Ports
 Configuring Esmc in Interface Configuration Mode
22-9
 Verifying Esmc Configuration
Show esmc
22-10
 22-11
Managing Synchronization
Show network-clock synchronization
Router#show esmc interface gigabitEthernet 0/10
 Synchronization Example
22-12
 Configures synchronous ethernet copper port as slave
Configuring Synchronous Ethernet for Copper Ports
Verifying the Synchronous Ethernet configuration
Configures synchronous ethernet copper port as master
 22-14
 22-15
 Shown in this example
Troubleshooting Tips
Synchronization detail RP command to confirm
22-16
 Troubleshooting Esmc Configuration
22-17
 Configuring PTP for the Cisco ASR 901 Router
22-18
 Configuring Master Ordinary Clock
Setting System Time to Current Time
Configuring PTP Ordinary Clock
22-19
 Priority1 priority-value Priority2 priority-value
22-20
 Configuring Slave Ordinary Clock
22-21
 Clock source source-address
22-22
 22-23
 22-24
 Port Name
Configuring PTP in Unicast Mode
Configuring PTP in Unicast Negotiation Mode
Port Role
 PTP Boundary Clock
Configures Cisco ASR 901 router on unicast
Configured with this command
Negotiation mode. The following options can be
 Configuring PTP Boundary Clock
Clock-port port-namemaster
22-27
 22-28
 Ordinary Clock
Exits clock port configuration mode
Verifying PTP modes
22-29
 22-30
Router# show ptp clock dataset default
Boundary Clock
Router# show ptp clock dataset time-properties domain
 Verifying PTP Configuration on the 1588V2 Slave
22-31
Router# show ptp clock runn dom
 22-32
Verifying PTP Configuration on the 1588V2 Master
Typical configuration on a 1588V2 master is
Router# show ptp clock running domain
 22-33
 Configuring a Hybrid Ordinary Clock
PTP Hybrid Clock
22-34
 That the output of the clock is transmitted to the remote
Hybrid-Optional Enables the PTP boundary clock
To work in hybrid mode. Enables the hybrid clock such
Slaves
 22-36
 Configuring a Hybrid Boundary Clock
22-37
 Router# show running-config section ptp
Verifying Hybrid modes
22-38
 SSM and PTP Interaction
22-39
Router#show platform ptp channelstatus
 Telecom Profiles
ClockClass Mapping
PTP Redundancy
22-40
 End
Configuring Telecom Profile in Slave Ordinary Clock
Clock source source-address priority
22-41
 22-42
 Configuring Telecom Profile in Master Ordinary Clock
22-43
 22-44
Verifying Telecom profile
Timing packets with a PTP slave devices
Router#show ptp port running detail
 22-45
Router#show ptp clock running domain
 ASR901 Negotiation Mechanism
Setting the TimeProperties
Static Unicast Mode
22-46
 Configuring ToD on 1588V2 Slave
22-47
 22-48
 Configuring Ipsla Path Discovery
Cisco IOS IP SLA
23-1
 Configuration Parameters
23-2
 Example for Ipsla Path Discovery
23-3
 This example shows the LPD parameter values configured
23-4
Router#show ip sla mpls-lsp-monitor neighbors
 Two-Way Active Measurement Protocol
23-5
 Configuring Twamp
23-6
 Port port-number
Configuring the Twamp Server
Enable Configure terminal Ip sla server twamp
23-7
 Configures the switch as a Twamp responder, and enter Twamp
Configuring the Twamp Reflector
Configuration Examples for Twamp
23-8
 Routerconfig# ip sla server twamp
Example Configuring the Router as an IP SLA Twamp server
Example Configuring the Router as an IP SLA Twamp Reflector
Routerconfig# ip sla responder twamp
 23-10
 Configuring QoS
24-1
 Understanding QoS
24-2
 Default QoS for Traffic from External Ethernet Ports
Default QoS for Traffic from Internal Ports
24-3
 Modular QoS CLI
24-4
 Input and Output Policies
Input Policy Maps
24-5
 Access Control Lists
Output Policy Maps
24-6
 Classification
24-7
 Match Command
Class Maps
24-8
 Classification Based on IP Dscp
Classification Based on Layer 2 CoS
Classification Based on IP Precedence
24-9
 Per-hop Decimal Precedence CoS
Classification Comparisons
This display shows the available classification options
24-10
 Classification Based on QoS Groups
Traffic Type Per-hop Decimal Precedence CoS
24-11
 Classification Based on Vlan IDs
24-12
 Table Maps
24-13
 Policing
24-14
 Individual Policing
Gigabitethernet port
24-15
 Unconditional Priority Policing
24-16
 Egress Policing
Configuration Example
Routerconfig# policy-map policy1
24-17
 Routerconfig# policy-map Example
Marking
24-18
 Congestion Management and Scheduling
Traffic Shaping
24-19
 Routerconfig-pmap-c#service-policy out-policy
Routerconfig# policy-map out-policy
Routerconfig# policy-map out-policy-parent
24-20
 Routerconfig# policy-map parent
Class-Based Weighted Fair Queuing
This is an example of a parent-child configuration
24-21
 Routerconfig-pmap-c#bandwidth remaining percent
24-22
 Priority Queuing
24-23
 Ingress QoS Functions
Routerconfig# policy-map pmapbckbone
Ingress and Egress QoS Functions
24-24
 Egress QoS Functions
Configuring Quality of Service QoS
QoS Limitations
24-25
 General QoS Limitations
Statistics Limitations
24-26
 GigabitEthernet
Propagation Limitations
Classification Limitations
Value
 Marking Limitations
24-28
 Queuing Limitations
Congestion Management Limitations
Precedence Prec-transmit Qos-group
Rate Limiting Limitations
 Shaping Limitations
ACL-based QoS Restrictions
Policing with
24-30
 Tcam with QoS
Improving Feature Scalability
QoS for MPLS/IP over Mlppp
QoS for CPU Generated Traffic
 QoS Configuration Guidelines
24-32
 Sample QoS Configuration
24-33
 Creating a Class Map for Classifying Network Traffic
Configuring Classification
Enter the password
24-34
 24-35
 Attaching the Policy Map to an Interface
24-36
 Attaching Policy Map to Cross Connect EVC
24-37
 Configuring Marking
24-38
 Creating a Class Map for Marking Network Traffic
24-39
 Set dscp
Traffic Attributes Network Layer Protocol
Set cos
Set qos-group
 Specify an encapsulation type for the EVC
Configuring Mpls Exp Bit Marking using a Pseudowire
Specify an EVC
24-41
 Use the policy-mapcommand to define a policy map
Configuring Congestion Management
Configuring Low Latency Queueing LLQ
24-42
 Configuring Multiple Priority Queueing
Policy-map interface commands to verify your configuration
24-43
 24-44
 Use the exit command to exit the policy map configuration
Configuring Class-Based Weighted Fair Queuing Cbfq
Use the exit command to exit class map configuration
24-45
 This step is optional
Weighted Random Early Detection Wred
Amount of bandwidth
24-46
 No random-detect discard-class value
Configuring Shaping
No random-detect discard-class-based
24-47
 Configuring the Secondary-Level Child Policy Map
24-48
 Configuring Ethernet Trusted Mode
Creating IP Extended ACLs
24-49
 Class-map-name
Using Class Maps to Define a Traffic Class
Class-map match-all match-any
24-50
 Qos-group value vlan vlan-list
Match cos cos-list ip dscp dscp-list
Ip precedence ip-precedence-list
Show class-map
 Permit source source-wildcard any log
Creating a Named Access List
Match access-group name access-group-name
Class-mapclass-map-name
 What to do Next
24-53
 24-54
Router# show ip access-lists tcam1
Tcam with ACL
Router# show run int gig 0/1
 24-55
Verifying Named Access List
Router# show access-lists tes456
Router# show policy-map interface gigabitethernet 0/0
 Configuration Example for Named Access List
Router# show running-config
24-56
 24-57
Class-map match-any test
 24-58
 24-59
 24-60
 24-61
 QoS Treatment for IP-SLA Probes
QoS Treatment for Performance-Monitoring Protocols
Cisco IP-SLAs
QoS Marking for CPU-Generated Traffic
 QoS Queuing for CPU-Generated Traffic
24-63
 Extending QoS for Mlppp
Configuring Class-map for Matching Mpls EXP Bits
To enter QoS class-map configuration mode
Class in the policy map
 Configuring Class-map for Matching IP Dscp Value
Match ip dscp dscp-value...dscp-value
24-65
 24-66
This configuration packets with IP Dscp of value af11 are
Dscp-value-The Dscp value used to identify a Dscp value
Match ip dscp
 Configuring a Policy-map
24-67
 Exampleclass
Class class-default
Bandwidth percent bandwidth-percent Exit
24-68
 Dscp-value-The Dscp value used to identify a Dscp
Value in the type of service ToS byte
Bits defined by the policy map
24-69
 Ip address address subnet mask
Enable Configure terminal Interface multilink group-number
Attaching the Policy-map to Mlppp Interface
24-70
 24-71
 Re-marking IP Dscp Values of CPU Generated Traffic
24-72
 Are 0 to
Re-marking Mpls EXP Values of CPU Generated Traffic
Generated traffic
24-73
 Bandwidth percent bandwidth-percent Set ip dscp dscp-value
Configuring a Policy-map to Match on CS5 and EXP4
Class and enters QoS class-map configuration mode
Class-map-name-The name used for class map
 Cs-value-The Class SelectorCS value
Value in the type of service ToS byte
As a match criterion
Class-map-name-Name of the class for the class map
 Configuring Class-map for Matching Mpls EXP Bits
Exits QoS policy-map class configuration mode
24-76
 Following example shows a configuration of a policy-map
Configuring Class-map for Matching IP Dscp Value
Configuring a Policy-map
24-77
 Configuring a Policy-map to Match on CS5 and EXP
Attaching the Policy-map to Mlppp Interface
24-78
 Verifying Mpls over Mlppp Configuration
24-79
 24-80
 Troubleshooting Tips
24-81
 24-82
 Example Tcam troubleshooting related error
24-83
 Routerconfig-if-srv#service-policy input policy2
24-84
Entries used 256/256 no free entries available
 Entries used 195/256 after unconfiguring policy1
We now have enough free entries to configure policy2
Routerconfig-if-srv#no service-policy input policy1
24-85
 Entries used 220/256 after configuring policy2
24-86
 Related Topic Document Title
24-87
 Feature Information for Configuring QoS
24-88
 Configuring Mlppp
25-1
 Distributed Multilink Point-to-Point Protocol Offload
Mlppp Optimization Features
Prerequisites
Mpls label protocol ldp
 Multiclass Mlppp
Mpls over Mlppp
25-3
 Mpls Label imposition LER Mpls Label switching LSR
25-4
 Mpls over Mlppp on Core Links
Mpls over Mlppp on CE to PE Links
25-5
 Configuring a Multilink Backhaul Interface
Configuring Mlppp Backhaul
Configuring the Card Type, E1 and T1 Controllers
Creating a Multilink Bundle
 Example creates a multilink bundle
Configuring Mrru
Example configures an IP address and subnet mask
25-7
 Configuring PFC and Acfc
Remote apply, pfc local request, and pfc remote apply
25-8
 25-9
 Acfc option are not accepted
Configuration requests
Requests. The syntax is as follows
25-10
 Enabling Multilink and Identifying the Multilink Interface
Keepalive period retries
25-11
 Ppp multilink group group-number
25-12
 Mlppp Offload
Ppp multilink idle-link Ppp multilink queue depth
25-13
 Ppp multilink Ppp multilink group group-number Exit
Configuring Mpls over the Mlppp on a Serial Interface
Configuring Additional Mlppp Settings
25-14
 25-15
 25-16
Configuring Mpls over Mlppp for Ospf
Number, and enters the interface configuration mode
Interface multilink group-number
 25-17
 Configuration Examples for Mpls over Mlppp
25-18
 Router# ping mpls ipv4 6.6.6.6/32
Verifying Mpls over Mlppp Configuration
25-19
Router# show mpls ldp bindings 6.6.6.6
 25-20
 25-21
 Feature Information for Mlppp
25-22
 Retrieval of the Obfl message
Onboard Failure Logging
Understanding Obfl
Recording Obfl Messages
 Configuring Obfl
Verifying Obfl Configuration
26-2
 26-3
Clilog summary
 26-4
 27-1
 Overview of Hsrp and Vrrp
Text Authentication
Information About Hsrp and Vrrp
Preemption
 Complete the following steps to configure Hsrp
How to Configure Hsrp
Configuring Hsrp
Standby group-numberauthentication text string
 27-4
 Example Configuring Hsrp Backup Router
Configuration Examples for Hsrp
Example Configuring Hsrp Active Router
27-5
 Configuring Vrrp
How to Configure Vrrp
Example Hsrp Text Authentication
Interface type number Ip ip-address mask
 Vrrp group-numberauthentication text string
Vrrp group-numberpriority level
27-7
 Example Configuring a Vrrp Backup Router
Configuration Examples for Vrrp
Example Configuring a Vrrp Master Router
27-8
 Example Vrrp Text Authentication
27-9
 27-10
 Feature Information for Hsrp and Vrrp
27-11
 27-12
 Configuring Link Layer Discovery Protocol
28-1
 Restrictions for Lldp
How to Configure Lldp
Configuring Lldp
Overview of Lldp
 28-3
 Verifying Lldp
Configuration Example for Lldp
Example Configuring Hold Time
Example Enabling Lldp Globally
 Example Configuring Delay Time
Example Configuring Intervals
28-5
 28-6
 28-7
 Feature Information for Lldp
28-8
 Configuring Multihop Bidirectional Forwarding Detection
29-1
 Restrictions for Multihop BFD
How to Configure Multihop BFD
Configuring Multihop BFD Template
Information About Multihop BFD
 29-3
 Example Configuring Multihop BFD
Configuration Examples for Multihop BFD
Configuring a Multihop BFD Map
Configuration for Router a
 Interface Fast Ethernet 0/1
Configuration for Router B
29-5
Interface Fast Ethernet 6/0
 29-6
 Feature Information for Multihop BFD
29-7
 29-8
 Bit Error Rate Testing
Prerequisites
30-1
 How to Configure Bert
Bert Pattern Description
30-2
 Terminating Bert on a T1/E1 Controller
Enable Configure terminal Controller t1 e1 slot/port
Performing Bert on a T1/E1 Line
30-3
 No bert pattern pattern interval time
Routerconfig-controller# no bert pattern
Verifying Bert on a T1/E1 Controller
30-4
 Following is a sample configuration of the Bert feature
30-5
 Feature Information for Bit Error Rate Testing
30-6
 30-7
 30-8
 Microwave ACM Signaling and EEM Integration
31-1
 31-2
 Benefits
QoS Policy Adjustment
IGP Metric Adjustment
Link Removal
 Configuring Connectivity Fault Management
Bridge-domainbridge-domain-id
31-4
 31-5
 31-6
 Configuring EEP Applet Using CLIs
31-7
 31-8
 An EEM applet is triggered
Configuring Event Handler
Exits applet configuration mode
31-9
 31-10
 Following is a sample configuration of CFM
Example Configuring CFM
Example Configuring EEP Applet
31-11
 31-12
Action 104 set n $ringnodes
 31-13
 Action 442 cli command isis metric $dlc
31-14
 Example Configuring Event Handler
Following is a sample configuration of Event Handler
31-15
 Bandwidth Transport Integration with Microwave ACM
Cisco ASR 901 Router Commands
CFM Support for Microwave Adaptive
31-16
 31-17
 31-18
 IPv6 Support on the Cisco ASR 901 Router
32-1
 Prerequisites for IPv6 Support on the Cisco ASR 901 Router
32-2
 IPv6 Address Formats
Benefits
Overview of IPv6
32-3
 IPv6 Address Type Preferred Format Compressed Format
Static Configuration
IPv6 Addressing and Discovery
32-4
 Stateless Autoconfiguration
ICMPv6
32-5
 IPv4 and IPv6 Dual-Stack on an Interface
IPv6 Duplicate Address Detection
IPv6 Neighbor Discovery
32-6
 IS-IS Enhancements for IPv6
Routing Protocols
Bidirectional Forwarding Detection for IPv6
OSPFv3 for IPv6
 Configuring IPv6 Addressing and Enabling IPv6 Routing
QoS for IPv6
32-8
 32-9
 Enables the forwarding of IPv6 unicast datagrams
Configuring a Static IPv6 Route
Global configuration mode
Enables Cisco Express Forwarding CEF globally on
 Ipv6 address autoconfig
Enabling Stateless Auto-Configuration
Administrative-multicast-distance -Optional
32-11
 Ipv6 enable or
Implementing IPv6 on Vlan Interfaces
32-12
 Implementing IPv6 Addressing on Loopback Interfaces
32-13
 Configuring ICMPv6 Rate Limiting
Enable Configure terminal Ipv6 icmp error-interval interval
32-14
 Configuring IPv6 Duplicate Address Detection
Ipv6 nd dad attempts value
32-15
 Configuring IPv6 Neighbor Discovery
32-16
 Configuring IPv6 and IPv4 Dual-Stack on the Same Vlan
32-17
 Configures IPv6 address on the interface
Configuring OSPFv3 for IPv6
Configures an IPv4 address on the interface
Enables IPv6 address on the interface
 Net network-entity-tag
Configuring IS-IS for IPv6
Enable Configure terminal Router isis area-tag
Ipv6 router isis area-name
 32-20
 Configuring Multiprotocol-BGP for IPv6
32-21
 Configuring BFD for IPv6
Specifying a Static BFDv6 Neighbor
32-22
 Associating an IPv6 Static Route with a BFDv6 Neighbor
Interface-number -SVI name
32-23
 32-24
 Configuring BFDv6 and OSPFv3
32-25
 Configuring BFDv6 for BGP
32-26
 Implementing QoS for IPv6
Exits global configuration mode and enters privileged
Exec mode
Verifying IPv6 Addressing Routing
 Verifying a Static IPv6 Route
32-28
Router# show ipv6 route
 32-29
Verifying a Stateless Auto-Configuration
Verifying IPv6 Implementation on Vlan Interfaces
Router# show ipv6 interface loopback
 32-30
Verifying ICMPv6 Configuration
Verifying IPv6 Implementation on Loopback Interfaces
Router# show ipv6 interface loopback0
 32-31
Router# show ipv6 traffic
 Verifying IPv6 Duplicate Address Detection Configuration
32-32
 32-33
Verifying IPv6 Neighbor Discovery Configuration
Verifying IPv6 and IPv4 Dual-Stack Configuration
Router# show ipv6 neighbors detail
 32-34
Verifying OSPFv3 for IPv6 Configuration
As shown in the example
Router# show ipv6 ospf
 32-35
Verifying IS-IS for IPv6 Configuration
Verifying Multiprotocol-BGP for IPv6 Configuration
Router# show isis ipv6 rib
 32-36
BGP
 Verifying BFD for IPv6 Configuration
32-37
Router# show bfd neighbors
 Verifying BFDv6 and OSPFv3 Configuration
32-38
 Verifying BFDv6 for BGP Configuration
32-39
 Example IPv6 Addressing on Loopback Interfaces
Example Configuring IPv6 Duplicate Address Detection
Example IPv6 Addressing on Vlan Interfaces
Example Customizing ICMPv6
 Example Configuring the IPv4 and IPv6 Dual-Stack
Example Configuring IPv6 Neighborhood Discovery
Example Enabling IPv6 Stateless Address Autoconfiguration
Example Configuring IPv6 Static Routing
 Example Configuring BFD and OSPFv3 for IPv6
Example Configuring BFD and Static Routing for IPv6
Example Configuring OSPFv3 for IPv6
Following is a sample configuration of OSPFv3 for IPv6
 Example Configuring IS-IS for IPv6
Following is a sample configuration of IS-IS for IPv6
32-43
 Example Configuring Multiprotocol-BGP for IPv6
32-44
 Example Configuring BFD and Multiprotocol-BGP for IPv6
32-45
 Route advertisement messages. Also, define a
No ipv6 nd suppress-ra command to enable
Debug Commands Show Commands Platform Hardware Commands
Valid prefix pool for IPv6
 32-47
 32-48
 32-49
 Chapter of the IPv6 Configuration Guide provide
32-50
 BGP for IPv6 chapter of the IPv6 Configuration Guide
Aggregation Services Router Software Configuration Guide
32-51
 32-52
 Labeled BGP Support
33-1
 VPN/VRF over RFC
How to Configure Labeled BGP Support
Overview of Labeled BGP Support
33-2
 Configuration Example for Labeled Support
Send-label option
33-3
 Router# show bgp ipv4 unicast labels
Verifying Labeled BGP Support
33-4
Labels
 Vpnv4 vrf LTE12 label
33-5
Vpnv4 all label
Router# show ip cef vrf LTE12 113.22.12.0 internal
 33-6
 RFC-3107
Carrying Label Information in BGP-4
33-7
 Feature Information for Labeled BGP Support
33-8
 Mpls Traffic Engineering Fast Reroute Link Protection
34-1
 34-2
 BFD-triggered Fast Reroute
R2 R3
34-3
 Fast Reroute
Link Protection
34-4
 Enabling Mpls TE-FRR for EoMPLS on a Global Interface
Enables Mpls TE tunnel signaling on the specified interface
Enabling Mpls TE-FRR on an SVI Interface
Mpls traffic-eng tunnels
 Pseudowire-class pw-class-name
34-6
 Enabling Mpls TE-FRR for EoMPLS on an Interface
Xconnect peer-ip-address vc-id pw-classpw-class-name
34-7
 34-8
 Enabling Mpls TE-FRR for IS-IS
34-9
 34-10
 Configuring Primary One-hop Auto-Tunnels
34-11
 34-12
 Configuring Backup Auto-Tunnels
34-13
 Mpls ldp discovery targeted-hello accept command
34-14
 Messages from all neighbors
Ip rsvp signalling hello bfd
Enabling BFD Triggered FRR on an SVI Interface
34-15
 Enabling BFD Triggered FRR on a Router
Configuration mode
Enable Configure terminal Ip rsvp signalling hello bfd
34-16
 34-17
Verifying Mpls TE-FRR Configuration
Verification Examples
Router# show mpls traffic-eng tunnels brief
 34-18
Use the following command to verify the reservation detail
Router# show mpls traffic-eng tunnels backup
Router# show mpls traffic-eng fast-reroute database
 34-19
Verifying Backup Auto-Tunnels
Verifying Primary One-hop Auto-Tunnels
Router# show ip rsvp fast-reroute
 Verifying BFD Triggered FRR Configuration
34-20
 34-21
Database
 34-22
Router# show ip rsvp hello
 Router# show ip rsvp hello bfd nbr
34-23
Router# show ip rsvp interface detail
Router# show ip rsvp hello bfd nbr detail
 Example Configuring Backup Auto-Tunnels
Example Configuring Mpls TE-FRR
Example Configuring Primary One-hop Auto-Tunnels
Example Configuring BFD Triggered FRR
 Mpls TE FRR
34-25
 34-26
 34-27
 34-28
 Layer 2 Control Protocol Peering, Forwarding, and Tunneling
35-1
 Layer 2 Control Protocol Forwarding
Layer 2 Control Protocol Tunneling
35-2
 35-3
 L2protocol peer protocol
Configuring Layer 2 Peering
Default Action Configuration Option
35-4
 Configuring Layer 2 Forwarding
35-5
 Protocol-Specifies the protocol to be forwarded
Routerconfig-if# l2proto-forward tagged Cdp
Routerconfig-if# service instance Ethernet
35-6
 Configuring Layer 2 Tunneling
35-7
 L2protocol tunnel protocol Bridge-domain bridge-id
35-8
 Verifying Layer 2 Tunneling
Verifying Layer 2 Peering
Verifying Layer 2 Forwarding
35-9
 Following is a sample configuration of layer 2 peering
Example Configuring Layer 2 Peering
Example Configuring Layer 2 Forwarding
35-10
 Example Configuring Layer 2 Tunneling
35-11
 Router
35-12
 35-13
 Commands Cisco IOS LAN Switching Commands
35-14
 Following command was introduced l2proto-forward
35-15
 35-16
 Configuring Inverse Muliplexing over ATM
36-1
 How to Configure IMA
36-2
 Interface ATMslot-number/IMAima-group-number
Configuring ATM IMA on T1/E1 Interface
Ima-groupima-group-number
No ip address Atm bandwidth dynamic No atm ilmi-keepalive
 Configuring ATM IMA over Mpls
Configuring the T1/E1 Controller
36-4
 Ima-groupgroup-number
Configuring an ATM IMA Interface
Clock source internal
36-5
 You can configure ATM over Mpls in the following modes
Configuring ATM over Mpls Pseudowire Interface
Disables the Ilmi keepalive parameters
36-6
 Configures the ATM interface
Configuring a Port Mode Pseudowire
Configuring an N-to-1 VCC Cell Mode
36-7
 Xconnect ip-addressport-numberencapsulation mpls one-to-one
Configuring an N-to-1 vPC Cell Mode
Enable Configure terminal Interface ATMslot/IMAgroup-number
36-8
 ATM AAL5 SDU VCC Transport
36-9
 L2transport encapsulation for the VCC mode
Verifying IMA Configurations
Sets the encapsulation type to AAL5. AAL5 is the default
36-10
 Enters the global configuration mode
How to Configure ATM Class of Service
Configuring Constant Bit Rate
36-11
 Configuring Unspecified Bit Rate
Mode
36-12
 IMA links and the bandwidth of each link
Configuring Unspecified Bit Rate Plus
ATM class of service with the rate equal to the bandwidth
Ubr+ pcr-rate mcr-rate
 Pcr-rate-Peak cell rate in Kbps
Configures the UBR+ QoS class for an ATM permanent virtual
Circuit and specifies the bandwidth
Mcr-rate-Peak cell rate in Mbps
 Example Creating an IMA Interface
Configuration Examples
Example Configuring a Port Mode Pseudowire
36-15
 Example Configuring CBR
Example Configuring an N-to-1 VCC Cell Mode
Example Configuring an N-to-1 VPC Cell Mode
Example Configuring UBR
 Example Configuring VBR for Real Time Traffic
Configuring Marking Mpls Experimental Bits
Example Configuring UBR Plus
Example Configuring VBR for Non-Real Time Traffic
 Applying the Policy-map
Applying a Policy map on PVC and PVP
36-18
 Attaches a policy map to the input interface
Disables the Ilmi trap parameters
Sets the PVC encapsulation type to AAL0
36-19
 Applying a Policy map on ATM IMA Interface
36-20
 36-21
Creating a Table-map
Table-maptable-map-name
Interface ATM slot/IMA group-number
 Map from from-value to to-value
Default copy
Creating a Policy-map for SVI Interface
36-22
 Applying a Service Policy on SVI Interface
Mpls ip Service-policy output policy-map-name
36-23
 36-24
 36-25
 Feature Information for Inverse Multiplexing over ATM
36-26
 IPv6 over Mpls 6PE and 6VPE
37-1
 37-2
 Benefits of 6PE and 6VPE
IPv6 on Provider Edge Routers
37-3
 IPv6 router on the customer
IPv6 on VPN Provider Edge Routers
Components of MPLS-based 6VPE Network
PE equipment, connected to CEs and entry
 Supported Features
37-5
 Scalability Numbers
How to Configure IPv6 over Mpls 6PE and 6VPE
Configuring 6PE
Interface Numbers
 Address-family ipv6
Exit-address-family
37-7
 37-8
 Configuring 6VPE
Setting up IPv6 Connectivity from PE to CE Routers
37-9
 Vrf-name-Optional a specific VRF table for an IPv6
Setting up MP-BGP Peering to the Neighboring PE
VRF table for an IPv6 address
37-10
 Address prefixes
Places the router in address family configuration mode for
Enable the exchange of information with a BGP neighbor
Extended-Specifies that only extended communities will be
 Setting up MPLS/IPv4 Connectivity with LDP
37-12
 Creating IPv6 VRFs on PE Routers
37-13
 37-14
To configure dual-stack VRF, complete the following steps
Sessions that use standard IPv4 address prefixes
Address-family ipv4
 Router# show bgp vpnv6 unicast all
Verifying IPv6 over Mpls 6PE and 6VPE Configuration
37-15
Router# show ipv6 protocols vrf vpe1
 37-16
Router# show ipv6 cef vrf cisco1
 37-17
Router# show ipv6 route vrf
Router# show mpls forwarding-table vrf vpe1
 37-18
Example Configuring 6PE
Following is a sample configuration of 6PE
Router# show bgp ipv6 200133/64
 Example Configuring 6VPE
Following is a sample configuration of 6VPE
37-19
 37-20
 Feature Information for IPv6 over Mpls 6PE and 6VPE
37-21
 37-22
 Storm Control
38-1
 Configuring Storm Control
38-2
 38-3
 Verifying Storm Control
38-4
 38-5
Configuring Error Disable Recovery
Errdisable recovery cause
Storm-control
 Error-disable cause
Monitoring Error Disable Recovery
Seconds-Specifies the time to recover from a specified
Cause
 Configuration Example for Storm Control
38-7
Router# debug platform hardware ether SC
 38-8
 Feature Information for Storm Control
38-9
 38-10
 Remote Loop-Free Alternate Fast Reroute
39-1
 39-2
 39-3
Remote LFA-FRR Link Protection
 Avoiding Traffic Drops
Pseudowire Redundancy over FRR
Benefits of Remote LFA-FRR
39-4
 Conditions for Switchover
CESoPSN, SAToP, and ATM/IMA
39-5
 Configuring Remote LFA-FRR for IS-IS
39-6
 39-7
Switch Virtual Interface SVI
Specifies an IP address for the specified interface
Ip router isis
 39-8
 Configuring Remote LFA-FRR for Ospf
39-9
 Enables the Ospf routing protocol and enters the router
39-10
Router ospf
 Configuring Remote LFA-FRR for Ethernet and TDM Pseudowires
Enables Mpls LDP synchronization on interfaces for an Ospf
39-11
 Targeted hello messages from all neighbors
Configuring Remote LFA-FRR on a Global Interface
Accept-Configures the router to respond to requests for
39-12
 Configuring Remote LFA-FRR on a GigabitEthernet Interface
39-13
 Configuring Remote LFA-FRR on an SVI Interface
39-14
 Configuring Remote LFA-FRR on IS-IS
39-15
 Passive-interfaceinterface-type interface-number
39-16
 39-17
 39-18
 Backup peer peer-ip-address vc-id
Configuring LFA-FRR for EoMPLS
Disables sending routing updates on an interface
39-19
 39-20
Removes an IP address or disables IP processing
Enables automatic negotiation
Negotiation auto
 Configuring LFA-FRR for ATM/IMA
39-21
 39-22
 Exit Interface CEM slot/port No ip address
Configuring LFA-FRR for CESoPSN
Backup peer peer-ip-address
39-23
 39-24
 Configuring LFA-FRR for SAToP
Exit Interface CEM slot/port
39-25
 39-26
 Verification Examples for Remote LFA-FRR
39-27
 Router# show ip ospf fast-reroute remote-lfa tunnels
Verifying Remote LFA-FRR Configuration
39-28
Router# show ip cef 171.1.1.0 internal
 39-29
Router# show ip ospf rib
Router# show isis fast-reroute remote-lfa tunnels
 39-30
Router# show isis rib
Router# show mpls l2transport vc 1 detail
 39-31
 39-32
Router# show mpls l2transport vc 3001 detail
 39-33
Verifying Remote LFA-FRR Configuration on IS-IS
Verifying Remote LFA-FRR Configuration on ATM/IMA
Router# show mpls l2 vc 90 detail
 Verifying Remote LFA-FRR Configuration on CESoPSN
39-34
Router# show mpls l2 vc 111 detail
 Configuration Examples for Remote LFA-FRR
Verifying Remote LFA-FRR Configuration on SAToP
39-35
 Example Configuring Remote LFA-FRR Globally
Example Configuring Remote LFA-FRR for IS-IS
Example Configuring Remote LFA-FRR for Ospf
39-36
 Example Configuring LFA-FRR on ATM/IMA
Example Configuring Remote LFA-FRR on an SVI Interface
Example Configuring EoMPLS Pseudowire Redundancy over FRR
39-37
 Example Configuring LFA-FRR on CESoPSN
Example Configuring LFA-FRR on SAToP
39-38
 39-39
 Reroute,
39-40
 Digital Optical Monitoring
40-1
 Routerconfig# transceiver type all
How to Enable Transceiver Monitoring
Enters transceiver type configuration mode
40-2
 Example Displaying Transceiver Information
Show interfaces transceiver command
Examples
40-3
 Example Displaying Detailed Transceiver Information
40-4
Router# show interfaces transceiver detail
 Example Displaying List of Supported Transceivers
40-5
 Example Displaying Threshold Tables
40-6
 40-7
 40-8
 40-9
Example When Transceiver Monitoring is Disabled
Example Displaying Threshold Violations
Router# show interfaces transceiver threshold violations
 Example Displaying SPF Details
40-10
 40-11
SCP6G44-C1-BMH
 SFF-8472
40-12
 Feature Information for Digital Optical Monitoring
40-13
 40-14
 IPv4 Multicast
41-1
 41-2
 Source Specific Multicast
Supported Protocols
PIM SSM for IPv4
Protocol Independent Multicast
 IGMPv3
IGMPv1
IGMPv2
41-4
 Reverse Path Forwarding
Ip igmp static ssm-map command
PIM SSM Mapping
Static SSM Mapping
 Enabling IPv4 Multicast Routing
Configuring IPv4 Multicast
Enables multicast routing
Ip pim sparse-mode Asr901-multicast source
 Ip pim sparse-mode Ip igmp version
Configuring PIM SSM
Enable Configure terminal Ip pim ssm default
41-7
 Configuring PIM SSM Mapping
Ip igmp ssm-map static access-list source-address
41-8
 Verifying IPv4 Multicast Routing
Verifying PIM SSM
41-9
 Router# show ip mroute
Verifying PIM SSM Mapping
41-10
Router# show ip igmp ssm-mapping
 Show ip igmp groups interface-type interface-number
Configuration Examples for IPv4 Multicast
Show ip igmp groups group-address
Show ip igmp groups interface-type detail
 Example IPv4 Multicast Routing
Example Configuring PIM SSM
Example Configuring PIM SSM Mapping
41-12
 Example Configuring Rendezvous Point
41-13
Router# debug ip igmp
 41-14
 41-15
 Feature Information for IPv4 Multicast
41-16
 IGMPv2,
41-17
 41-18
 IPv6 Multicast
42-1
 42-2
 Multicast Listener Discovery Protocol for IPv6
IPv6 Multicast Groups
IPv6 Multicast Routing Implementation
42-3
 Protocol Independent Multicast
42-4
 Source Specific Multicast Mapping for IPv6
PIM-Sparse Mode
PIM Source Specific Multicast
42-5
 Rendezvous Point
Configuring IPv6 Multicast
Enabling IPv6 Multicast Routing
42-6
 Enable Configure terminal No ipv6 mfib
Disabling IPv6 Multicast Forwarding
42-7
 No ipv6 mld router
Disables IPv6 multicast forwarding on the router
Disabling MLD Device-Side Processing
42-8
 Configuring MLD Protocol on an Interface
42-9
No ipv6 mld router
 Configuring a Rendezvous Point
42-10
 Configuring PIM SSM Options
Enable Configure terminal Ipv6 pim
42-11
 Disabling PIM SSM Multicast on an Interface
Configuring IPv6 SSM Mapping
Disables PIM on the specified interface
No ipv6 pim
 No ipv6 mld vrf vrf-namessm-map query dns
Configure terminal Ipv6 mld vrf vrf-namessm-map enable
Verifying IPv6 Multicast
42-13
 Router# show ipv6 mld traffic
42-14
Router# show ipv6 mld interface gigabitethernet 0/1
Router# show ipv6 pim interface
 42-15
Router# show ipv6 mld groups summary
Router# show ipv6 pim neighbor count
 Router# show ipv6 mroute
42-16
Router# show ipv6 pim neighbor
Router# show ipv6 pim topology
 Router# show ipv6 pim group-map FF0EE0111
42-17
Router# show ipv6 pim topology route-count
Router# show ipv6 pim range-list
 42-18
Router# show ipv6 pim traffic
Router# show ipv6 pim join-prune statistic
 Following example
42-19
 Router# show ipv6 mfib summary
42-20
Router# show ipv6 mfib status
Router# show ipv6 mfib interface
 Example Enabling IPv6 Multicast Routing
Configuration Examples for IPv6 Multicast
Example Configuring IPv6 SSM Mapping
42-21
 Command Name Description
42-22
 42-23
 Feature Information for IPv6 Multicast
Chapter of the IP Multicast PIM Configuration Guide
42-24
 Chapter of the IP Multicast LSM Configuration Guide
42-25
 42-26
 Configuring Switched Port Analyzer
Span Limitations and Configuration Guidelines
43-1
 Understanding Span
Following sections describe Span
43-2
 Span Session
Source Interface
43-3
 Traffic Types
Configuring Span
Destination Interface
Span Traffic
 Removing Sources or Destination from a Span Session
43-5
 Clears existing Span configuration for a session
Configuration Examples for Span
Enable Configure terminal No monitor session sessionnumber
Verifying Local Span
 43-7
Rspan Vlan
 43-8
 Feature Information for Switched Port Analyzer
43-9
 43-10
 See BSC
IN-1
 IN-2
 IN-3
 IN-4
 IN-5
 See MSC
IN-6
 IN-7
 IN-8
 IN-9
 IN-10