Bug ID 1096317: SIP msg alg zombie flows

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 17.1.0,,,

Fixed In:
17.1.1, 15.1.10

Opened: Apr 07, 2022

Severity: 3-Major


The SIP msg alg can disrupt the expiration of a connflow in a way that it stays alive forever.


Zombie flow, which cannot be expired anymore.


SIPGmsg alg with suspending iRule commands attached.


Restart TMM.

Fix Information

Flows are now properly expired.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips