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with ISP CEs, and add the VPNv4 routes learned by the PE devices to the routing table of the
specified VPN instance.
• In BGP IPv6 unicast address family view, the command enables the capability to exchange IPv6
unicast routing information, and adds the learned routes to the IPv6 BGP routing table of the public
network.
• In BGP-VPN IPv6 unicast address family view, the command enables the capability to exchange
IPv6 unicast routing information, and adds the learned routes to the IPv6 BGP routing table of the
specified VPN instance.
• In BGP VPNv6 address family view, the command enables the capability to exchange VPNv6
routing information. In an IPv6 MPLS L3VPN network, execute the command on PE devices in BGP
VPNv6 address family view.
• In BGP L2VPN address family view, the command enables the capability to exchange L2VPN
information. In an MPLS L2VPN or a VPLS network, execute the command on PE devices in BGP
L2VPN address family view.
The undo peer enable command disables BGP to exchange routing information for the corresponding
address family with the peer.
Examples
# In BGP IPv4 unicast address family view, enable BGP to exchange IPv4 unicast routing information with
p e e r 1.1.1.1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] address-family ipv4 unicast
[Sysname-bgp-ipv4] peer 1.1.1.1 enable
# In BGP-VPN IPv4 unicast address family view, enable BGP to exchange IPv4 unicast routing
i n f or m a t io n wi t h p e e r 1.1.1.1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ip vpn-instance vpn1
[Sysname-bgp-vpn1] address-family ipv4 unicast
[Sysname-bgp-ipv4-vpn1] peer 1.1.1.1 enable
# In BGP IPv6 unicast address family view, enable BGP to exchange IPv6 unicast routing information with
p e e r 1.1.1.1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] address-family ipv6 unicast
[Sysname-bgp-ipv6] peer 1.1.1.1 enable
# In BGP-VPN IPv6 unicast address family view, enable BGP to exchange IPv6 unicast routing
information with peer 1::1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ip vpn-instance vpn1
[Sysname-bgp-vpn1] address-family ipv6 unicast
[Sysname-bgp-ipv6-vpn1] peer 1::1 enable
# In BGP L2VPN address family view, enable BGP to exchange L2VPN information with peer 1::1.
<Sysname> system-view
[Sysname] bgp 100
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