You are correct on the VRF and RD information.... I don't know about the
concept of virtual routers, although it would seem to be ok from the
standpoint of running a separate instance of IGRP, EIGRP or OSPF for each
VPN. That would not be the efficient way of doing it though (IMHO).
Scott Morris, MCSE, CNE(3.x), CCDP (R&S), CCIE (R&S) #4713, Security
Specialization, CCNA - WAN Switching
CCSI #21903
smorris@mentortech.com
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Formerly Chesapeake Network Solutions http://www.ccci.com
Cell Phone: 941-350-8590 e-mail:smorris@mentortech.com
Fax: 859-225-8403
-----Original Message-----
From: Vinod Anthony Joseph Cherunni [mailto:vac@dsqworld.com]
Sent: Thursday, October 05, 2000 7:38 AM
To: cisco-nsp@puck.nether.net
Subject: [nsp] REG: MPLS VPN route exchange
Hi All,
Once again thanks a lot for all the advice. I have read that VPN routing
information needs to be exchanged between Provider - Edge (PE) routers by
means of Multiprotocol extensions in BGP. Now I have also heard that another
alternative is the use of Virtual routers, wherein the same information
could be distributed by means of an IGP. Kindly advice on what the
difference between the two is?
Also which is the right way to go. My understanding is that while VPN
routes are exchanged between PE routers, information on Route distinguishers
(RD), & other information on the VPN needs to be also passed on between
PE's, & this is only possible using MBGP. Kindly correct me if I am wrong.
Thanks in advance..
With warm regards,
Vinod.
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