BGP Neighbor State BGP Neighbor State Type BGP Peer는 6가지 상태 중 하나에 존재함 Phase 상태 설명 TCP IDLE - BGP가 시작되었으나 세션이 맺어지지 않고 대기 중인 상태 - TCP가 시작되고 연결이 시도됨 TCP CONNECT - TCP 연결(Session)이 완료되기를 기다리는 상태 1. 연결이 맺어질 경우 OPEN Message를 보냄 2.
연결이 실패하면 ACTIVE State로 변경됨 TCP ACTIVE - TCP 연결 실패로 BGP 세션이 맺어지지 않아 다시 시도하는 상태 - 계속 실패하는 경우 IDLE → CONNECT → ACTIVE를 순환함 BGP OPEN Sent - KeepAlive 및 Hold Timer가 모두 시작됨 - OPEN Message를 보내고 수신을 기다리는 상태 1. 오류 검출 시 Notification Message를 보냄 2.
오류가 발견되지 않으면 Keepalive Message를 보냄 B...
![[BGP] BGP Neighbor State](https://mblogthumb-phinf.pstatic.net/MjAyMjA5MTNfMTgw/MDAxNjYzMDAzODA2MTQy.68XDPFUPFER_7adJIkhRx24li7_3Sx76t181Op84vMMg.NtoYnm3sMc5eLJd0WvfjMJRK3kw-4DpW45526fhXO58g.PNG.choiyoonjun111/image.png?type=w2)
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Active
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BPGTCP
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Connect
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ConnectRetry
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ConnectState
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Established
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EstablishedState
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HoldTime
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IDLE
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IDLEState
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KeepAlive
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OpenConfirm
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OpenConfirmState
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OpenSent
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BorderGatewayProtocolv4
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BorderGatewayProtocol
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ActiveState
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BGP
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BGPConnectRetry
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BGPHoldTime
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BGPKeepAlive
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BGPNeighborState
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BGPState
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BGPTimer
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BGPv4
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BGP개념
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BGP기본
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BGP기초
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BGP설명
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OpenSentState
원문 링크 : [BGP] BGP Neighbor State
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