3com 3031 Instruccion De Instalación

If you select RIP mode for CE-PE route switching, you should then configure RIP on 
CE. For details about RIP configuration, see RIP configuration section in Routing 
Protocol of this manual. 

If you select OSPF mode for CE-PE route switching, you should then configure 
OSPF on CE. For details about OSPF configuration, see Part VI “Routing Protocol” 
in this manual.

You may also configure OSPF multi-instance to isolate services of different VPNs. 
You can bind OSPF procedures with VPN with the following command. 

If you select BGP mode for CE-PE route switching, you should then configure EBGP 
peer, import direct-connect route, static route and other IGP routes, for BGP to 
advertise VPN routes to PE. 

It includes configuring MPLS LSR ID, enable global MPLS and enable MPLS in the 
interface view. 

See MPLS Basic Capacity Configure for details. 

1 Establish and enter vpn-instance view

The VPN instance is associated with the site. The VPN membership and routing 
rules of a site is configured in the corresponding VPN instance. 

This command is used to establish a new vpn-instance or enter the existing 
vpn-instance view. To delete a certain vpn-instance, use the undo form of this 
command. 

If this vpn-instance already exists, then directly enter the view of this vpn-instance 
to perform the corresponding configurations. 

Table 788   Configuring a router as multi-VPN-instance CE

Configure a router as multi-VPN-instance 
CE

Remove the configuration