Layer 3 VPN Configuration Overview
  
  
    To configure VR and VRF support for a Layer 3 VPN, do the following:
    
      - 
        Configure the PE to PE interfaces as
follows:
        
          - 
            Select the VR that to which the MPLS (Multiprotocol Label Switching) protocol will be added.
          
 
          - 
            Assign PE facing VLANs and ports to the VR.
          
 
        
       
      - 
        Configure the PE to CE interface as follows:
        
          - 
            Create a VPN VRF as described in Creating and Deleting VRFs.
          
 
          - 
            Assign a VPN ID to the VPN VRF as described in Configuring a VPN ID.
          
 
          - 
            Assign an RD to the VPN VRF as described in Configuring the Route Distinquisher.
          
 
          - 
            Configure RTs for the VPN VRF as described in Configuring Route Targets.
          
 
          - 
            Assign CE facing VLANs and ports to the VRF.
          
 
          - 
            Configure BGP (Border Gateway Protocol) as
              described in Configuration Overview.