This is an old revision of the document!
This is for bgp (note address-family ipv4 unicast is needed after each neighbor (and commit) for it to work: router bgp 20000
bgp router-id 10.255.255.20 address-family ipv4 unicast network 10.255.255.20/32 ! neighbor 10.255.255.20 remote-as 20000 update-source Loopback0 address-family ipv4 unicast ! ! neighbor 10.255.255.21 remote-as 20000 update-source Loopback0 address-family ipv4 unicast ! !