The MPLS-OPS Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Re: Advertising Routes learnt from PE to PE
On 5/14/03 10:06 AM, "Sugar, Sylvia" <truesylvia@yahoo.co.uk> wrote: > Hi, > WIll a PE router ever advertise a route it learns from another PE router to > some other PE router. > I dont think it will ever do that as all the PE routers are IBGP peers and > would generally be in > full mesh. You're correct. The exception would a route-reflector / confederation. But as you know by default, these bgp nodes don't change the next-hop. > > Is there any case when this might happen .. i.e. a PE router advertises a > Route learnt from one PE > to another PE. How can one do that .. because IMHO the label that will be > advertised by the former > PE router will be for the PE router to which he sends the UPDATE. How can this > PE router advertise > another PE router the same label? > > Moreover, if for some reason he has to .. does he assign a new label and then > advertise? A RR will allocate a label (locally) if the next-hop changes. Of course this doens't mean much unless the next-hop is the RR itself. ;-) > > ANy comments on this would be very helpful! > > Silviya Sugar > > __________________________________________________ > Yahoo! Plus > For a better Internet experience > http://www.yahoo.co.uk/btoffer > > ------- > The MPLS-OPS Mailing List > Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml > Archive: http://www.mplsrc.com/mpls-ops_archive.shtml -- Aamer Akhter / aa@cisco.com NSITE - cisco Systems ------- The MPLS-OPS Mailing List Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml Archive: http://www.mplsrc.com/mpls-ops_archive.shtml
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