Symptoms

After SCTP link down/up (not physical IF link down up), SCTP session can't be established.

Impact

Flow state can become out of sync between TMMs

Conditions

-- CMP forwarding enabled (source-port preserve-strict) -- The BIG-IP system is encountering heavy traffic load -- A connection is deleted from the connection table

Workaround

Once the problem occurs, execute "tmsh delete sys connection", and the SCTP session will be re-established.

Fix Information

None

Behavior Change