BGP attempts to initiate a TCP connection with its peer. Open-Sent: An Open message has been sent to the peer.
The Border Gateway Protocol (BGP) is an inter-autonomous system (AS) routing protocol designed for exchange of reachability information among ASs on the Internet. Unlike Interior Gateway Protocols (IGPs) such as OSPF, BGP functions as an exterior gateway protocol (EGP) that emphasizes policy-driven routing and stability over simple metric calculation. It uses to ensure reliable delivery of routing updates. 2. BGP Operational Fundamentals
BGP waits for a Keepalive or Notification message. BGP attempts to initiate a TCP connection with its peer
Initial state where BGP denies all connection requests. Connect: BGP waits for a successful TCP connection.
This paper provides a structured overview of the as taught in Huawei’s technical curriculum, including its fundamental operations, message types, and path selection attributes. 1. Introduction to BGP Unlike Interior Gateway Protocols (IGPs) such as OSPF,
Huawei’s curriculum details the precise lifecycle of a BGP peering session through six distinct states:
The connection is successful, and peers exchange routing data via Update and Keepalive messages. 3. BGP Message Types BGP Operational Fundamentals BGP waits for a Keepalive
To maintain and update the routing table, BGP uses four primary message types: Basic BGP Configuration in Huawei | PDF - Scribd
