Reference Guide

182 | Border Gateway Protocol IPv4 (BGPv4)
www.dell.com | support.dell.com
The number of BGP speakers each BGP peer must maintain increases exponentially. Network
management quickly becomes impossible.
Sessions and Peers
When two routers communicate using the BGP protocol, a BGP session is started. The two end-points of
that session are Peers. A Peer is also called a Neighbor.
Establishing a session
Information exchange between peers is driven by events and timers. The focus in BGP is on the traffic
routing policies.
4 Routers
6 Routers
8 Routers