Cisco ASR 903 Manual page 11

Layer 2 Solution
encapsulation dot1q 10
!
service instance 11 ethernet
encapsulation dot1q 11
!
interface GigabitEthernet0/1/2
no ip address
negotiation auto
service instance 10 ethernet
encapsulation dot1q 10
!
service instance 11 ethernet
encapsulation dot1q 20 second-dot1q 11
rewrite ingress tag pop 1 symmetric
ASR903-PE2 Configuration
bridge-domain 10
member GigabitEthernet0/1/0 service-instance 10
member GigabitEthernet0/1/2 service-instance 10
!
bridge-domain 11
member GigabitEthernet0/1/0 service-instance 11
member GigabitEthernet0/1/2 service-instance 11
!
interface GigabitEthernet0/1/0
! description interface to CE2
no ip address
negotiation auto
service instance 10 ethernet
encapsulation dot1q 15
rewrite ingress tag pop 1 symmetric
!
service instance 11 ethernet
encapsulation dot1q 16
rewrite ingress tag pop 1 symmetric
interface GigabitEthernet0/1/2
no ip address
negotiation auto
service instance 10 ethernet
encapsulation dot1q 10
rewrite ingress tag pop 1 symmetric
!
service instance 11 ethernet
encapsulation dot1q 20 second-dot1q 11
rewrite ingress tag pop 2 symmetric
OL-30526-01
Ethernet Virtual Circuit using Regular EFPs ▀
! Simply bridging the traffic
! add S-tag 20 on top of 11
! vlan tag 15 facing CE2
! vlan tag 10 with PE
! vlan tag 16 facing CE2
! vlan tag 20 & 11 with PE
! vlan tag 15 for CE subnet A
! vlan tag 16 for CE subnet B
! vlan tag 20 & 11
Cisco ASR 903 Router Design and Deployment Guide▄
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