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15-5
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 15 Configuring EoMPLS
Port Based EoMPLS
Port Based EoMPLS
Port mode allows a frame coming into an interface to be packed into an MPLS packet and transported
over the MPLS backbone to an egress interface. The entire ethernet frame without the preamble or frame
check sequence (FCS) is transported as a single packet. To configure port mode, use the xconnect
command in the main interface mode and specify the destination address and the VC ID. The syntax and
semantics of the xconnect command are the same as for all other transport types. Each interface is
associated with one unique pseudowire VC label.
Step 10
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 11
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 12
Router(cfg-if-ether-vc-xconn)#
backup peer 13.205.3.3 1141
Specifies a backup peer for redundancy.
Step 13
end Returns to privileged EXEC mode.
Step 14
•
show mpls l2t vc id
• show mpls l2t vc detail
• show mpls infrastructure lfd
pseudowire internal
Use these commands to display pseudowire information.
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.