PE1(config)# router bgp 65500
PE1(config-bgp)# neighbor 10.10.0.4
PE2(config-bgp)# router-id 10.10.0.1
PE1(config-bgp-neighbor)# remote-as 65500
PE1(config-bgp-neighbor)# update-source 10.10.0.1
PE1(config-bgp-neighbor)# address-family l2vpn vpls
PE1(config-bgp-neighbor-af)# send-community extended
PE1(config-bgp-neighbor-af)# enable
PE1(config-bgp-neighbor-af)# exit
PE1(config-bgp-neighbor)# enable
PE1(config-bgp-neighbor)# exit
PE1(config-bgp)# enable
PE1(config-bgp)# exit
PE1# sh ip bgp neighbors
BGP neighbor is 10.10.0.4
BGP state: Established
Neighbor address: 10.10.0.4
Neighbor AS: 65500
Neighbor ID: 10.10.0.4
Neighbor caps: refresh enhanced-refresh restart-aware AS4
Session: internal multihop AS4
Source address: 10.10.0.1
Weight: 0
Hold timer: 110/180
Keepalive timer: 21/60
Uptime: 7375 s