BGP Neighbor FSM

Events

There are 28 events total.

Administrative Events

Things the operator can set.

Event 1: ManualStart
Event 2: ManualStop
Event 3: AutomaticStart
Event 4: ManualStart_with_PassiveTcpEstablishment
Event 5: AutomaticStart_with_PassiveTcpEstablishment
Event 6: AutomaticStart_with_DampPeerOscillations
Event 7: AutomaticStart_with_DampPeerOscillations_and_PassiveTcpEstablishment
Event 8: AutomaticStop

Timer Events

Event 9: ConnectRetryTimer_Expires
Event 10 HoldTimer_Expires
Event 11 KeepaliveTimer_Expires
Event 12 DelayOpenTimer_Expires
Event 13 IdleHoldTimer_Expires

TCP connection based events

Packet based, not necessarily the BGP app, but the underlying transport.

Event 14: TcpConnection_Valid
Event 15: Tcp_CR_Invalid
Event 16: Tcp_CR_Acked
Event 17: TcpConnectionConfirmed
Event 18: TcpConnectionFails

BGP message based events

Sent or received over TCP.

Event 19: BGPOpen
Event 20: BGPOpen with DelayOpenTimer running
Event 21: BGPHeaderErr
Event 22: BGPOpenMsgErr
Event 23: OpenCollisionDump
Event 24: NotifMsgVerErr
Event 25: NotifMsg
Event 26: KeepAliveMsg
Event 27: UpdateMsg
Event 28: UpdateMsgErr