Bug ID 928553: LSN64 with hairpinning can lead to a tmm core in rare circumstances

Last Modified: Sep 13, 2023

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

Known Affected Versions:
14.1.2,,,,,,,,, 14.1.3,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 16.0.0,, 16.0.1

Fixed In:
16.1.0,, 15.1.3, 14.1.4

Opened: Jul 19, 2020

Severity: 2-Critical


LSN64 with hairpinning configured can lead to a tmm core in rare circumstances.


Tmm cores. Traffic disrupted while tmm restarts.


- LSN64 virtual server. - Hairpinning enabled. - FLOW_INIT iRule. - Full proxy config.


Disable full proxy config of hairpinning.

Fix Information

Tmm does not crash anymore.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips