BGP Peering

What are the mechanics of one BGP speaker peering with another speaker? What substrate protocols does BGP use to transport routing information? This section describes various aspects of BGP peering.

While BGP is most often run on routers, which are also responsible for forwarding traffic, in some cases other devices may run BGP as well, whether to simply gather information about the routing tables being carried in BGP or to carry routing information between routers. Since this is the case, we will sometimes refer to devices that are running BGP rather than routers specifically. A device that is running BGP is called a BGP speaker, and two BGP speakers that form a BGP connection for the purpose of exchanging routing information are ...

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