Virtual Private LAN Service - VPLS
VPLS – BGP Auto-discovery and LDP Signaling ▀
Cisco ASR 903 Router Design and Deployment Guide▄
VPLS – BGP Auto-discovery and LDP Signaling
VPLS can rely on BGP protocol for discovering and provisioning PEs, which reduces VPN configuration and
errors associated with configuration.
PE-1 configuration
l2 vfi VPLS35 autodiscovery ! use legacy commands
vpn id 35
bridge-domain 35
interface GigabitEthernet0/1/0
no ip address
negotiation auto
no keepalive
service instance 35 ethernet
encapsulation dot1q 35
bridge-domain 35
router bgp 100
bgp log-neighbor-changes
neighbor 10.10.2.2 remote-as 100
neighbor 10.10.2.2 update-source Loopback10
neighbor 10.10.3.3 remote-as 100
neighbor 10.10.3.3 update-source Loopback10
!
address-family l2vpn vpls
neighbor 10.10.2.2 activate
neighbor 10.10.2.2 send-community extended
neighbor 10.10.3.3 activate
neighbor 10.10.3.3 send-community extended
PE-2 Configuration
l2vpn vfi context VPLS35 ! use new l2vpn commands
vpn id 35
autodiscovery bgp signaling ldp ! use bgp to discover VPLS neighbor and LDP to
negotiate
! inner VC label
bridge-domain 35 ! associate Attachement circuit with VPLS VFI
member GigabitEthernet0/1/0 service-instance 35
member vfi VPLS35
interface GigabitEthernet0/1/0
no ip address
negotiation auto
no keepalive
service instance 35 ethernet
encapsulation dot1q 35