Bug ID 449903: TMM restart when under heavy DNS cache traffic

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.6.2 HF1, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.6.0, 11.5.1 HF3, 11.5.0 HF4, 11.4.1 HF6

Opened: Feb 22, 2014

Severity: 1-Blocking

Symptoms

TMM might restart when handling heavy loads of DNS cache traffic.

Impact

Traffic disruption.

Conditions

Heavy DNS traffic. DNS caching resolver or validating resolver in use.

Workaround

None.

Fix Information

Resolved an intermittent issue under heavy DNS cache traffic for a timing issue that could cause a crash.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips