Description | This article describes BGP Neighbor Adjacency States. |
Scope | FortiGate. |
Solution |
If an error occurs the BGP process will transition to Idle state. From there the router will set a Connect timer, where it will not try to establish a BGP relationship with the declared offline member until the timer expires. Default Connect Timer FOS value 120.
When it is sending a keepalive it is set to hold on time, then moved to open confirm.
When a Keepalive or an Update message is received the Hold timer will reset.If a Notification message is received the connection will close and BGP will move to the Idle state. |