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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 16 Configuring MPLS Layer 2 VPNs
Virtual Private LAN Services
Note To configure an R-L2GP on the Cisco ASR 1000 Series Aggregation Services Router, the remote-id
configured on nPE1 must be the transmit identifier configured on nPE2, and vice versa, as show in
Example: Configuring an R-L2GP.
Attaching an R-L2GP Instance to a Port
SUMMARY STEPS
1. enable
2. configure terminal
3. interface gigabitethernet slot/port or interface tengigabitethernet slot/port
4. spanning-tree pseudo-information transmit indentifier
DETAILED STEPS
Step 5
mst region-id root mac-address
Example:
Router(config-pseudo)# mst 0 root 32768
0000.0000.0001
Adds MST instances to R-L2GP instances and configures
the MAC address and priority for MST instances.
Note MST 0 has all the VLANs that have not been
explicitly specified in other MST instances. MST
0 must be configured for each R-L2GP instance.
Step 6
mst region-id cost
Example:
Router(config-pseudo)# mst 1 cost 1
Adds the corresponding MST instance list to the R-L2GP
instance and configures the R-L2GP path cost for the
MST instance or multiple MST instances.
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.