BGP: Difference between revisions

*Full Internet BGP routing table is more than 300K routes and a BGP router can receive multiple copies of that routing table from multiple providers, router has to compare those multiple entries and select only the best route for the routing table.

*It uses the BGP Best Path Selection Algorithm to do this.

*Routes installed by different BGP instances are compared by the general algorithm, i.e. route distances are compared and the route with lower distance is preferred.

|Origin || Prefer Internal(advertised by network cmd - 'i') over External(advertised by redistribe cmd)<br /> External over Unknown(-'?')