Chapter 21 Configuring Pseudowire

Configuring Pseudowire

 

Command

Purpose

Step 11

 

 

cem class cem-class-name

Specifies the CEM class name.

 

Example:

 

 

Router(config-if-cem)# cem class

 

 

mycemclass

 

Step 12

 

 

xconnect ip-addressencapsulation

Binds an attachment circuit to the CEM interface to create a pseudowire

 

mpls

 

 

Example:

 

 

Router(config-if-cem)# xconnect

 

 

10.10.10.10 200 encapsulation mpls

 

 

 

 

Configuring a Backup Peer

A backup peer provides a redundant pseudowire (PW) connection in the case that the primary PW loses connection; if the primary PW goes down, the Cisco ASR 901 diverts traffic to the backup PW.

Complete the following steps to configure a backup peer:

SUMMARY STEPS

1.enable

2.configure terminal

3.interface cemslot/port

4.cem group-number

5.xconnect peer-loopback-ip-addressencapsulation mpls

6.backup peer peer-router-ip-address vcid [pw-class pw-class-name]

7.backup delay enable-delay [disable-delay never]

DETAILED STEPS

 

 

Command

Purpose

 

 

 

 

 

Step 1

enable

Enables privileged EXEC mode.

 

 

 

 

Enter your password if prompted.

 

 

Example:

 

 

 

 

Router> enable

 

 

 

 

 

 

 

Step 2

configure terminal

Enters global configuration mode.

 

 

Example:

 

 

 

 

Router# configure terminal

 

 

 

 

 

 

 

Step 3

interface cemslot/port

Configures the pseudowire interface to use for the new pseudowire class.

 

 

Example:

 

 

 

 

Router(config)# interface cem0/0

 

 

 

 

 

 

 

 

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

21-8

 

 

OL-23826-09

 

 

 

 

 

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Cisco Systems A9014CFD manual Configuring a Backup Peer, Specifies the CEM class name, 21-8