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Training Camp • Cybersecurity Glossary
iBGP (Internal Border Gateway Protocol) is an advanced routing protocol used within an autonomous system to exchange routing and reachability information between different routers to maintain a stable and efficient network.
iBGP Definition: iBGP (Internal Border Gateway Protocol) is an advanced routing protocol used within an autonomous system to exchange routing and reachability information between different routers to maintain a stable and efficient network.
iBGP, or Internal Border Gateway Protocol, is a routing protocol used within an autonomous system (AS) to exchange routing information between routers belonging to the same AS. Unlike eBGP (External BGP), which is used to exchange routing information between different ASs, iBGP is used to ensure that all routers within the same AS have consistent routing information. iBGP peers must be fully meshed or use route reflectors or confederations to ensure routing information is efficiently propagated within the AS.
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