Example 4: vpls connectivity – Cisco OL-21636-01 User Manual

Page 371

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D-9

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

Sample configlets for the devices are provided below.

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 <PE2 loopback> <PrimaryVcId> encapsulation mpls

backup peer <PE3 loopback> <BackupVcId>

PE2

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

PE3

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 <PE1 loopback> <BackupVcId> encapsulation mpls

Example 4: VPLS Connectivity

Figure D-8

illustrates a network configuration using VPLS connectivity with dual-homed N-PEs on both

sides of the network.

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