Bug ID 476683: Suspended DNS_RESPONSE events are not resumed

Last Modified: Apr 10, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP GTM(all modules)

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 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, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.2

Opened: Aug 25, 2014
Severity: 2-Critical
Related AskF5 Article:


iRules that cause the DNS_RESPONSE event to suspend will not be resumed.


DNS_RESPONSE event does not complete execution.


DNS_RESPONSE event with command that causes it to be suspended.


Do not use iRule commands in DNS_RESPONSE event that result in suspension.

Fix Information

DNS_RESPONSE events are now resumed after suspension.

Behavior Change