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16-11
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 16 Configuring MPLS Layer 2 VPNs
Virtual Private LAN Services
Example: Configuring an R-L2GP
The following example shows how to configure an R-L2GP in a network comprising two nPEs.
Configuration example on nPE1:
enable
configure terminal
spanning-tree pseudo-information transmit 46
remote-id 53
mst 0 root 32768 0000.0000.0001
mst 1 root 32768 0000.0000.0002
mst 1 cost 1
mst 2 root 32768 0000.0000.0003
exit
interface gigabitEthernet 2/1/0
spanning-tree pseudo-information transmit 46
Configuration example on nPE2:
spanning-tree pseudo-information transmit 53
remote-id 46
mst 0 root 32768 0000.0000.0001
mst 1 root 32768 0000.0000.0002
mst 1 cost 1
mst 2 root 32768 0000.0000.0003
interface gigabitEthernet 0/0/1
spanning-tree pseudo-information transmit 53
Configuring the Layer 2 Protocol Forwarding Virtual Private LAN Services Pseudowire Between
Two Redundant NPES
SUMMARY STEPS
1. enable
2. configure terminal
3. l2 vfi vfi-name manual
4. vpn id vpn_id
5. bridge-domain bridge_id
Step 3
interface gigabitethernet slot/port
or
interface tengigabitethernet slot/port
Example:
Router(config)# interface gigabitethernet 4/1
Specifies Gigabit Ethernet or the 10 Gigabit Ethernet
interface on the access side of the nPE to configure.
Here:
• slot/port—Specifies the location of the interface.
Step 4
spanning-tree pseudo-information transmit
identifier
Example:
Router(config-if)# spanning-tree
pseudo-information transmit 46
Configures the Reverse-L2GP configuration on the
interface.
Note The identifier should be the same as the one
configured on the nPE.
Command Purpose