Bug ID 584374: iRule cmd: RESOLV::lookup causes tmm crash when resolving an IP address.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2 HF1, 11.6.3

Opened: Mar 31, 2016

Severity: 2-Critical

Related Article: K67622400

Symptoms

iRule command RESOLV::lookup causes tmm crash when resolving an IP address.

Impact

Traffic disrupted while tmm restarts.

Conditions

Using the RESOLV::lookup iRule command to resolve an IP address.

Workaround

Do not use the RESOLV::lookup command to resolve an IP address.

Fix Information

TMM no longer crashes when the iRule command RESOLV::lookup is used.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips