1-38undo peer ip-address group group-nameViewIPv4 MBGP address family viewDefault Level2: System levelParametersgroup-name: Name of an IPv4 MBGP peer group, a string of 1 to 47 characters.ip-address: IP address of an IPv4 MBGP peer.DescriptionUse the peer group command to add an IPv4 MBGP peer to an IPv4 MBGP peer group.Use the undo peer group command to delete a specified peer from a peer group.By default, no peer is added into a peer group.Examples# In IPv4 MBGP address family view, add the peer 10.1.1.1 to the multicast EBGP peer group test. system-view[Sysname] bgp 100[Sysname-bgp]group test external[Sysname-bgp]peer test as-number 200[Sysname-bgp] peer 10.1.1.1 group test[Sysname-bgp]ipv4-family multicast[Sysname-bgp-af-mul] peer test enable[Sysname-bgp-af-mul] peer 10.1.1.1 group testpeer ip-prefix (MBGP family view)Syntaxpeer { group-name | ip-address } ip-prefix ip-prefix-name { export | import }undo peer { group-name | ip-address } ip-prefix { export | import }ViewIPv4 MBGP address family viewDefault Level2: System levelParametersgroup-name: Name of an IPv4 MBGP peer group, a string of 1 to 47 characters.ip-address: IP address of an IPv4 MBGP peer.ip-prefix-name: IP prefix list name, a string of 1 to 19 characters.export: Applies the filter to routes outgoing to the specified peer/peer group.