Cisco OL-21636-01 - Manual (Page 368)

D-6
Cisco IP Solution Center L2VPN and Carrier Ethernet User Guide, 6.0
OL-21636-01
Appendix D Terminating an Access Ring on Two N-PEs
Additional Network Configurations and Sample Configlets
PE1
vlan <S-Vlan>
!
interface <UNI-to-R1>
switchport
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan add <S-Vlan>
!
interface vlan <S-Vlan>
xconnect <PE3 loopback> <PrimaryVcId> encapsulation mpls
backup peer <PE4 loopback> <BackupVcId>
PE2
vlan <S-Vlan>
!
interface <UNI-to-R3>
switchport
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan add <S-Vlan>
!
interface vlan <S-Vlan>
xconnect <PE4 loopback> <PrimaryVcId> encapsulation mpls
backup peer <PE3 loopback> <BackupVcId>
PE3
vlan <S-Vlan>
!
interface <UNI-to-R4>
switchport
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan add <S-Vlan>
!
interface vlan <S-Vlan>
xconnect <PE1 loopback> <PrimaryVcId> encapsulation mpls
backup peer <PE2 loopback> <BackupVcId>
PE4
vlan <S-Vlan>
!
interface <UNI-to-R5>
switchport
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan add <S-Vlan>
!
interface vlan <S-Vlan>
xconnect <PE2 loopback> <PrimaryVcId> encapsulation mpls
backup peer <PE1 loopback> <BackupVcId>
Example 2: Pseudowire Connectivity (B)
Figure D-6 illustrates a network configuration using pseudowire connectivity, with dual-homed N-PEs
on both sides of the network without pseudowire redundancy.