35-12
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 35 Layer 2 Control Protocol Peering, Forwarding, and Tunneling
Configuration Examples
Note The configuration given below applies to only one router. Similar configuration has to be applied on two
Cisco ASR 901 routers.
Building configuration...
Current configuration : 153 bytes
!
interface GigabitEthernet0/11
negotiation auto
service instance 10 ethernet
encapsulation dot1q 100
l2protocol tunnel
bridge-domain 50
!
!
interface GigabitEthernet0/1
negotiation auto
service instance 10 ethernet
encapsulation dot1q 100
bridge-domain 50
!
end
The following is a sample configuration of layer 2 protocol tunneling for receiving untagged LLDP
packets from customer nodes and tunneling them tagged over provider network.
Router 1
Building configuration...
Current configuration : 151 bytes
!
interface GigabitEthernet0/1
negotiation auto
service instance 10 ethernet
encapsulation untagged
l2protocol tunnel lldp
bridge-domain 20
!
!
interface GigabitEthernet0/7
negotiation auto
service instance 10 ethernet
encapsulation dot1q 100
rewrite ingress tag pop 1 symmetric
bridge-domain 20
!
end
Router 2
Current configuration : 170 bytes
!
interface GigabitEthernet0/7
negotiation auto
service instance 20 ethernet
encapsulation dot1q 100
rewrite ingress tag pop 1 symmetric
bridge-domain 30