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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 21 Configuring Pseudowire
Configuring Pseudowire
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-address encapsulation mpls
6. backup peer peer-router-ip-address vcid [pw-class pw-class-name]
7. backup delay enable-delay [disable-delay | never]
DETAILED STEPS
Step 11
cem class
cem-class-name
Example:
Router(config-if-cem)# cem class
mycemclass
Specifies the CEM class name.
Step 12
xconnect
ip-address
encapsulation
mpls
Example:
Router(config-if-cem)# xconnect
10.10.10.10 200 encapsulation mpls
Binds an attachment circuit to the CEM interface to create a pseudowire
Command Purpose
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
interface cem
slot/port
Example:
Router(config)# interface cem0/0
Configures the pseudowire interface to use for the new pseudowire class.