Re: iBGP full mesh ? [7:40741] posted 04/08/2002
- Subject: Re: iBGP full mesh ? [7:40741]
- From: "MADMAN" <dmadlan@xxxxxxxxx>
- Date: Mon, 8 Apr 2002 10:44:09 -0400
I can think one one good reason why you would disable sync, you can't
redistribute 100K routes into ANY IGP. Why are you so concerned about
disabling sync?? It should be default.
> BGP Rules of thumb:
> BGP advertised prefix must also exist in local IGP table.
> iBGP learned prefix must also exist in local IGP table
> -or use #no sync on iBGP learning router, but if you do, you'd sure as
> hell better know why you disabled it.
> On Sun, 2002-04-07 at 09:22, Phil Barker wrote:
> > Hi Group,
> > Hope someone can help out with this as I don4t have
> > access to my kit at the moment.
> > I tried to set up my first BGP lab last week.
> > I configured a full iBGP mesh, three routers connected
> > in a triangle via serial lines.
> > I set up (neighbour( statements on each router (Hope
> > Radia can forgive the extra vowel !!!) and advertised
> > the networks.
> > I got the BGP table working but nothing was promoted
> > to the main routing table, and therefore could4nt ping
> > non directly connected interfaces. I tried various
> > approaches like putting a default route in and running
> > an IGP but still no promotion to the main table.
> > Should this be possible with iBGP ? or is it a matter
> > of loop avoidance i.e the AS Numbers won4t be
> > prepended for the case of iBGP peers.
> > Phil.
> > __________________________________________________
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Sr. Network Engineer
Qwest Communications Int. Inc.
"Emotion should reflect reason not guide it"
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