[j-nsp] MVPN Interoperability Issue

Stefan Fouant sfouant at gmail.com
Fri Oct 16 15:37:49 EDT 2009

On Fri, Oct 16, 2009 at 3:17 PM, John Frame <jframe at juniper.net> wrote:

> Actually it is possible to support BGP-MVPNs over a non-P2MP capable
> core by using GRE tunnels.  Each PE would require a Tunnel PIC to
> support both the GRE requirement and the vt interface must be used in
> the routing instance - however if you are using MXs then it is built
> in already on the DPCs.  If Inclusive trees are used, then P2MP
> branches are built statically, but automatic trees can be built if
> using a Selective tree.

In the GRE approach, do we have the ability to aggregate multiple MVPNs into
a single Inter-PE GRE tunnel?


Stefan Fouant

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