>> Even if the exchange does not advertise the exchange LAN, it's >> probably the case that it is in the IGP (or at least IBGP) of >> everyone connected to it,
yikes! this is quite ill-advised and i don't know anyone who does this, but i think all my competitors should. > I have experience of several networks where that is not the case. IGP > carries routes for loopback and internal-facing interfaces; i have seen some carry external because, for some reason, they do not want to re-write next-hop at the border. randy
