[c-nsp] mpls route target export question

Pshem Kowalczyk pshem.k at gmail.com
Thu Aug 5 04:24:57 EDT 2010


On 5 August 2010 15:48, Kenny Sallee <kenny.sallee at gmail.com> wrote:

> I believe the route-target exported needs to be unique across the entire
> routing domain (else you could have one customer import other customers
> routes).  RD can be different per PE router - but I'm not sure why anyone
> would want to do that.  If if someone does - can you share thoughts on that?

We use unique RDs per PE. In addition to all the reasons Olivier
already stated you can use them for one more thing - identification of
the device that originated the route (we use vrf+site+device for all
our PEs).

kind regards

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