3com 3031 Instruccion De Instalación

C

HAPTER

 54: BGP/MPLS VPN C

ONFIGURATION

Perform the following in the VPNv4 View. 

To achieve multi-role application with the site connected, configure these items on 
PE. 

Step 1: Configure VPN-instance.

In multi-role application, a site is connected to a PE through physical port, but it 
can access multiple VPNs. So you need to configure multiple VPN-instances on the 
PE and bind the site port with the desired VPNs. For details about VPN-instance 
configuration, see II. Defining MPLS VPN site. 

Step 2: Configure policy routing

If policy routing has been enabled and the route-policy conditions have been met, 
the command in the following table can be used to specify the system to forward 
the packets along the route found by looking up the configured vpn-name1, 
vpn-name2, vpn-name3, vpn-name4, vpn-name5, and vpn-name6.

Perform the following configuration in route-policy view.

Step 3: Configure a private static route

Configure a static route to specify an interface in another VPN as egress interface, 
so that the packets from PE to CE can be returned directly to the site. 

Table 811   Configuring BGP neighbour as the UPE of BGP/MPLS VPN

Configure BGP neighbour as the UPE of 
BGP/MPLS VPN

peer { peer-address } upe

Disable the configuration

undo peer { peer-address } upe

Table 812   Looking up private forwarding route and make the forwarding

Look up private forwarding route and make the 
forwarding

{ vpn-name1 vpn-name2 … }

Remove the lookup in the specified VPN instances

vpn-name2 … }