Bug ID 473139: IMAP monitor works for LTM fails for BIG-IP DNS

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
10.2.3, 10.2.4, 11.0.0, 11.1.0, 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 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, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4

Fixed In:
12.0.0, 11.5.2, 11.4.1 HF6, 10.2.4 HF12

Opened: Jul 25, 2014
Severity: 3-Major
Related AskF5 Article:
K16071

Symptoms

BIG-IP DNS marks down a virtual server configured with an IMAP monitor even though IMAP is working

Impact

Login is not attempted by BIG-IP DNS monitor, so the system is unable to determine IMAP server status.

Conditions

Configure IMAP monitor for BIG-IP DNS virtual server. Note: IMAP monitor works for LTM. Failure occurs only on GTM.

Workaround

None.

Fix Information

BIG-IP DNS IMAP monitor now marks a working IMAP server up.

Behavior Change