Friday, May 1, 2015

BGP Wedgies - Demystified

Usually when we configure BGP we expect the network to converge correctly after all the peerings come up, however under rare circumstances this is not the case. In this blogtorial, we will explore one such corner case scenario in which depending on the order of operation, the BGP topology can end up in a unpredictable topology or a BGP Wedgie.

Here is the topology.

As usual let's go ahead and get the routers configured and give this topology a wedgie.