Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4
Fixed In:
12.0.0, 11.6.5.3, 11.6.0 HF5, 11.5.3, 11.4.1 HF9
Opened: Aug 16, 2013 Severity: 3-Major Related Article:
K16523
Removing a DNS cache from the configuration with outstanding packets on the server side can cause a TMM crash if those responses time out after the resolver removed.
Traffic disrupted while tmm restarts.
This occurs with DNS traffic in progress when removing a configured DNS cache from the configuration.
This occurs with DNS traffic in progress. Disabling the listener using that cache and waiting 60 seconds before removing the cache prevents this from occurring.
Deleting a cache resolver no longer results in outstanding packet issues.