UDLD time delay

UDLD protocol informs the link partner simultaneously as it detects a state change from unidirectional to bidirectional traffic. Additional packet exchanges will be carried out by UDLD in addition to the existing UDLD exchanges whenever state changes from unidirectional to bidirectional.

Interval 1

5 seconds

With triggered updates: State=blockedPeer; State=blocked

Without triggered updates: State=blockedPeer; State=blocked

Interval 1 + delta

5+(<5) seconds (delta is the time when the unblock event occurs on local side)

With triggered updates: Inform PeerState=unblockedPeer; State=unblocked

Without triggered updates: State=unblockedPeer; State=blocked

Interval 2

10 seconds

With triggered updates: Regular UDLD TX

Without triggered updates: Inform PeerState=unblocked; Peer State=unblocked

Interval 3

15 seconds

With triggered updates: Regular UDLD TX

Without triggered updates: Regular UDLD TX