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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 21 Configuring Pseudowire
Configuring Pseudowire
DETAILED STEPS
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 GigabitEthernet
slot/port
Example:
Router(config)# interface
GigabitEthernet0/2
Specifies an interface to configure.
Step 4
service instance
instance-number
ethernet
Example:
Router(config-if)# service instance
101 ethernet
Configures a service instance and enters the service instance
configuration mode.
Step 5
encapsulation dot1q
encapsulation-type
Example:
Router(config-if-srv)#
encapsulation dot1q 101
Configures encapsulation type for the service instance.
Step 6
rewrite ingress tag pop 1 symmetric
Example:
Router(config-if-srv)# rewrite
ingress tag pop 1 symmetric
Specifies the encapsulation modification to occur on packets at ingress as
follows:
• pop 1—Pop (remove) the outermost tag.
• symmetric—Configure the packet to undergo the reverse of the
ingress action at egress. If a tag is popped at ingress, it is pushed
(added) at egress.
Note Although the symmetric keyword appears to be optional, you
must enter it for rewrite to function correctly.
Step 7
xconnect
ip-address
encapsulation
mpls
Example:
Router(config-if-srv)# xconnect
11.205.1.1 141 encapsulation mpls
Binds the VLAN attachment circuit to an Any Transport over MPLS
(AToM) pseudowire for EoMPLS.
Step 8
end
Example:
Router(config-if-srv)# end
Returns to privileged EXEC mode.