Command Reference Guide

3Com Router 3000 Ethernet Family

Chapter 2 BGP/MPLS VPN Configuration

Commands

3Com Corporation

2-18

The peer next-hop-invariable command is applicable to the networking application

that adopts Multihop MP-BGP multi-AS VPN mode and uses Route Reflector (RR) to

advertise VPNv4 routes. The invariable next hop is configured when VPNv4 routes are

advertised between multi-AS RRs.

Example

# Configure the invariable next hop when sending VPNv4 routes to EBGP peers.

[3Com -bgp] group ebgp external

[3Com -bgp] ipv4-family vpnv4

[3Com -bgp-af-vpn] peer ebgp enable

[3Com -bgp-af-vpn] peer ebgp next-hop-invariable

2.1.21 peer upe

Syntax

peer peer-address upe

undo peer peer-address} upe

View

BGP view

Parameter

peer-address: IP address of a peer.

Description

Use the peer upe command to configure BGP peer as the UPE of hierarchical

BGP/MPLS VPN.

Use the undo peer upe command to delete this configuration.

Example

# Configure BGP peer as the UPE of hierarchical BGP/MPLS VPN.

[3Com -bgp] ipv4-family vpnv4

[3Com -bgp-af-vpn] peer 1.1.1.1 upe

2.1.22 policy vpn-target

Syntax

policy vpn-target

undo policy vpn-target

View