A new BGP session has been configured. Upon monitoring the session state, you notice that the session has just transitioned from connect state to active state.
What does the active state indicate for this BGP session?
A.
Something is wrong with your configuration. You must check your configuration and try again.
B.
This is the expected behavior. You should wait longer for the BGP session to establish.
C.
The OPEN messages collided. One BGP peer must be configured with the passive option.
D.
No route exists to the neighbors peering address. Check the IGP for reachability.
Explanation:
Current state of the BGP session:* ActiveBGP is initiating a transport protocol connection in an attempt to connect to a peer. If the connection is successful, BGP sends an open message.
* ConnectBGP is waiting for the transport protocol connection to complete.
* EstablishedThe BGP session has been established, and the peers are exchanging update messages.
* IdleEither the BGP license checkfailed, or this is the first stage of a connection and BGP is waiting for a Start event.
* OpenConfirmBGP has acknowledged receipt of an open message from the peer and is waiting to receive a keepalive or notification message.
* OpenSentBGP has sent an open message and is waiting to receive an open message from the peer.Useful links:
http://www.juniper.net/techpubs/software/junos-security/junos-security95/junos-security-swconfig-interfaces-and-routing/section-bgp-overview.html