> Welcome to BGP. Thank you. > > A BGP speaker is only going to advertise its best external paths via > iBGP. If it has selected your other BGP speaker as its best path, it > will not (currently) advertise the externals that are not the best path. So there is some sort of withdrawal mechanism: first both speakers announce via iBGP all their 238k routes to each other, and then they send a 'withdraw' message for the routes that they find out to be better from the peer.
This withdrawal thing is basically what I was missing. Thanks to all off-list and on-list Vincent _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
