Bug ID 1019641: SCTP INIT_ACK not forwarded

Last Modified: Oct 10, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Opened: May 19, 2021
Severity: 3-Major

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