vyos@edge2# set protocols bgp 65020 peer-group AS65020_PEERS 
Possible completions:
 > address-family
                BGP peer-group address-family parameters
 > capability   Advertise capabilities to this peer-group
   description  Description for this peer-group
   disable-capability-negotiation
                Disable capability negotiation with this peer-group
   disable-connected-check
                Disable check to see if EBGP peer's address is a connected route
   ebgp-multihop
                Allow this EBGP peer-group to not be on a directly connected network
+> local-as     Local AS number [REQUIRED]
   override-capability
                Ignore capability negotiation with specified peer-group
   passive      Don not intiate a session with this peer-group
   password     BGP MD5 password
   remote-as    Peer-group BGP AS number [REQUIRED]
   shutdown     Administratively shut down peer-group
 > ttl-security Ttl security mechanism
   update-source
                Source IP of routing updates