Which BGP state is the one where BGP waits for a KEEPALIVE or NOTIFICATION message from a neighbor so that the BGP session can be moved to Established?
- Init
- Attempt
- Down
- OpenConfirm
| Explanation & Hint:
The BGP state where BGP waits for a KEEPALIVE or NOTIFICATION message from a neighbor so that the BGP session can be moved to Established is OpenConfirm. In the OpenConfirm state, the router has received an Open message from its peer and has sent back a KEEPALIVE message. It now awaits a KEEPALIVE or NOTIFICATION message in response. If a KEEPALIVE message is received, the state transitions to Established. If a NOTIFICATION message is received, the session is terminated due to an error. |