Bug ID 751718: Connection tear down takes longer when using FastL4 profiles and connection mirroring.

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1

Opened: Dec 03, 2018

Severity: 3-Major

Symptoms

Connection tear down takes longer when using FastL4 profiles and connection mirroring.

Impact

Delay during TCP connection tear down.

Conditions

FastL4 profile with connection mirroring.

Workaround

There is no workaround other than disabling the db variable tm.fastl4_ack_mirror to disable mirroring when using FastL4.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips