Oct 10, 2025 · Border Gateway Protocol ( BGP ) is an Exterior Gateway Protocol (EGP) used to connect autonomous systems (AS) in any topology. Each AS must have at least one BGP -enabled router connected to another AS’s BGP router. Its primary function is to exchange network reachability information between BGP systems. It is a path-vector routing protocol (unlike distance-vector or link-state protocols). Note ...
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Border Gateway Protocol (BGP ) is an Internet Engineering Task Force (IETF) standard, and the most scalable of all routing protocols. BGP is the routing protocol of the global Internet, as well as for Service Provider private networks.
