Bug ID 665056: Removing Self IP in use by DNS Resolver may cause tmm crash

Last Modified: May 29, 2024

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

Known Affected Versions:
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, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 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, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0, 12.1.3, 11.6.4

Opened: May 16, 2017

Severity: 3-Major

Symptoms

If a Self IP is removed that has an outstanding DNS request, the tmm may crash if no response is received.

Impact

Traffic disrupted while tmm restarts.

Conditions

This will only occur if both: - A self IP is removed that was the source of an outstanding DNS request - No response is received to that request.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips