Peer-groups
neighbor 1.1.1.1 remote-as 100
neighbor 1.1.1.1 update-source Loopback 0
neighbor 1.1.1.1 send-community
neighbor 1.1.1.1 version 4
neighbor 1.1.1.2 remote-as 100
neighbor 1.1.1.2 update-source Loopback 0
neighbor 1.1.1.2 send-community
neighbor 1.1.1.2 version 4
neighbor iBGP remote-as 100
neighbor iBGP update-source Loopback 0
neighbor iBGP send-community
! Assign peers to the peer-group
neighbor 1.1.1.1 peer-group iBGP
neighbor 1.1.1.2 peer-group iBGP