4000 Router Series Layer 3 - IP Routing Command Reference

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• In BGP VPNv4 address family view, the command enables the capability to exchange VPNv4

routing information. In an MPLS L3VPN network, execute the command on PE devices in BGP

VPNv4 address family view.

• In BGP-VPN VPNv4 address family view, the command enables the capability to exchange VPNv4

routing information. In a nested VPN network, execute this command on ISP PE devices in BGP-VPN

VPNv4 address family view to enable the PE devices to exchange BGP VPNv4 routing information

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