Taqdir, That is not a typical MPLS VPN topology. There is usually P routers involved that connect the PE routers, and there is usually more than one path between respective PE loopbacks.
Also, MPBGP is just like normal BGP. You need some a full mesh among peers, route reflection or confederations to satisfy the reachability issues you mention. Even if PE1 link to PE3 failed, are their loopbacks not in OSPF? Can you not set up an MP-BGP session between them? On Tue, Jan 19, 2010 at 10:03 PM, Taqdir Singh <[email protected]>wrote: > Hi Friends > > I have a scenario here for MPLS VPNS, please see attached diagram > > Suppose we have so many customers connected on PE1 with RT of 1:1, 2:2, 3:3 > ..... each RT related to separated customer. > > Now on my PE2 router only one customer is connected with RT of 1:1., > Remaining all other remote customer sites are connected on PE3 with RT 2:2, > 3:3....etc > > So now when MPBGP on PE1 will send updates, it will send updates of all > customers routes to PE2 and PE2 will ignore those routes not matching its > RT. > > So question, here is why PE1 would send all updates to PE2 at first place, > why would I waste my bandwidth ? > > 2nd Question > > If link between PE1 and PE3 fails, then I want all the updates that PE3 was > getting to come via PE2' > > is this possible ? > > hope my question is a valid question > > -- > TAQDIR SINGH > Network Engineering Professional > (+91) 991.170.9496 | (+91) 801.041.5988 > > One who asks is a fool for a moment, one who doesn't ask remains fool for > ever > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > -- Bryan Bartik CCIE #23707 (R&S, SP), CCNP Sr. Support Engineer - IPexpert, Inc. URL: http://www.IPexpert.com
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