Per VPN Routing for Layer 3 PPVPNs

Document Type Expired Internet-Draft (individual)
Author Girish Bhat 
Last updated 2004-08-03
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a method to do Per VPN routing for L3 PPVPNs. The solution uses BGP for auto-discovery of VPN membership, but uses Per VPN RIP instances and dynamic MPLS tunnel interfaces to exchange customer routes. The document proposes modifications to the RIP protocol to the make the solution scalable. The framework presented also supports deployment of multicast routing and forwarding for L3 PPVPNs without enabling multicast in the core.


Girish Bhat (

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