Hi,
Thanks a lot the advice. I have a few more doubts, Kindly help me out.
They are -
1. Even if I use multiple instances of a routing protocol per VPN, How
will I be able to control what routing information will flow to which PE
router. Also how will I be able to indcate which address space is
associated with which VPN, when routing information exchange happens.
2. I personally feel that the "route target import/export" command defined
while creating the VRF, restricts what information is exported & imported
& to which RD. This information is further considered by MBGP &only
appropriate information is exchanged with peers. This co-ordination is
unavailable with the use of IGP for doing the job. Kindly correct me if
wrong.
3. Are RD's locally significant, or is an identifier assigned to all
connected sites of a VPN.
4. In the cases, wherein we peer with other service providers, do the RD's
need to be unique across the network.
5. Now the routing information of VPN's are only exchange between the Edge
routers (PE), How will the Provider core routers be aware of it, & how
does forwarding happen at the Core. Do lables play a role here, If so can
you pls explain how it happens.
Kindly advice.
With kind regards,
Vinod.
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