3com DUA1750-2BAA01 Manual De Usuario

3Com Switch 8800 Configuration Guide 

Chapter 37  BGP/MPLS VPN Configuration

 

37-25 

 

 

Remove to advertise default route 
to the peer (group) 

undo peer  {  peer-address | group-name } 
default-route-advertise 

[ 

vpn-instance 

vpn-instancename] 

 

Step 7: Configure BGP neighbor as the UPE of BGP/MPLS VPN 

This command is only used for UPE (user port function) of BGP/MPLS VPN. 

Configuring the following commands in the VPNv4 sub-address family view. 

Table 37-33 Configure BGP neighbor as the UPE of BGP/MPLS VPN 

 

 

Configure BGP neighbor as the 
UPE of BGP/MPLS VPN 

peer peer-address upe 

Disable the configuration 

undo peer peer-address upe 

 

P router does not maintain VPN routes, but do keep connection with public network and 

coordinate with PE in creating LSPs. These configurations are required on P router: 

Step 1: Configure MPLS basic capacity and enable LDP on the interfaces connecting P 

router to PE router, for forwarding MPLS packets. See Chapter 36  MPLS Basic 

Step 2: Enable OSPF protocol at the interfaces connecting P router to PE router and 

import direct-connect routes. See “OSPF” part in “Routing Protocol” for details. 

After the above configuration, execute display command in any view to display the 

running of the VPNv4 information in BGP database configuration, and to verify the 

effect of the configuration. 

Table 37-34 Display VPN address information from BGP table 

 

 

Display VPN address information from 
BGP table 

display 

bgp 

vpnv4 { all | 

route-distinguisher 

rd-value | 

vpn-instance 

vpn-instance-name } 

{ 

routing-table }