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iBGP Last modified: Wednesday, March 28, 2007
Short for Internal BGP (Border Gateway Protocol), iBGP is the protocol used between the routers in the same autonomous system (AS). IBGP is used to provide information to your internal routers. See also BGP.
Internal BGP is a mechanism to provide more information to your internal routers. The Border Gateway Protocol is the routing protocol of the Internet. BGP itself isn.t too complex, but the concepts behind autonomous-system-based routing can be strange to newcomers. Networking 101: Understanding iBGP Internal BGP is a mechanism to provide more information to your internal routers. Sample Configuration for iBGP and eBGP With or Without a Loopback Address BGP is an exterior gateway protocol (EGP), used to perform interdomain routing in TCP/IP networks. A BGP router needs to establish a connection (on TCP port 179) to each of it's BGP peers before BGP updates can be exchanged.	Related Categories Network Protocols Networks Related Terms BGP eBGP EGP hot potato routing IGP routing routing protocol virtual router VRRP