724 CHAPTER 40: BGP/MPLS VPN CONFIGURATION COMMANDSipv4-family SyntaxBGP view, VPN-instance sub-address family view or VPNv4 sub-address familyview:ipv4-family { vpn-instance vpn-instance-name | vpnv4 [ unicast ] }undo ipv4-family { vpn-instance vpn-instance-name | vpnv4 [ unicast ] }RIP view:ipv4-family [ unicast ] vpn-instance vpn-instance-nameundo ipv4-family [ unicast ] vpn-instance vpn-instance-nameViewBGP view, VPN-instance sub-address family view or VPNv4 sub-address familyview, and RIP view.Parametervpn-instance vpn-instance-name: Associates a specified VPN-instance with theMBGP address family. This parameter is used to enter MBGP VPN-instancesub-address family view.vpnv4: Enters MBGP VPNv4 address family view.unicast: Uses unicast sub-address family.DescriptionUse the ipv4-family vpn-instance command to enter MBGP VPN-instancesub-address family view.Use the undo ipv4-family vpn-instance command to delete the association of aVPN-instance with MBGP address family, and return to BGP unicast view.Use the ipv4-family vpnv4 command to enter MBGP VPNv4 sub-address familyview. Use the undo ipv4-family vpnv4 command to delete the configuration ofMBGP VPNv4 sub-address family view.By default, unicast address is used when VPNv4 address family is configured.By default, use the unicast address when configuring the MBGP address family.Use this command to enter address family view and configure parameters relatedto BGP address family in this view.Related command: peer enable.Example# Associate a specified VPN-instance with MBGP address family to enter MBGPVPN-instance sub-address family view. You must first configure VPN-instancebefore you perform that configuration.
