Bug ID 1068353: Unexpected event sequence may cause HTTP/2 flow stall during shutdown

Last Modified: Aug 04, 2022

Bug Tracker

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

Known Affected Versions:
16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 17.0.0, 17.0.0.1

Fixed In:
16.1.2.2

Opened: Dec 15, 2021
Severity: 3-Major

Symptoms

HTTP/2 flows may stall during shutdown, eventually being freed by expiration or reset from the TCP peer.

Impact

Flows may be retained longer than expected and continue to consume system resources until expired or reset by the TCP peer.

Conditions

HTTP/2 configured

Workaround

None

Fix Information

Shutdown events are now handled correctly for HTTP/2 flows.

Behavior Change