Bug ID 557434: After setting a Last Resort Pool on a Wide IP, cannot reset back to None

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Nov 10, 2015
Severity: 3-Major


After configuring a wide IP with a Last Resort Pool set to something other than None, you can no longer change the Last Resort Pool back to None.


There is no None option in TMSH or GUI.


Last Resort Pool is set to something other than None.


Setting the Pool Name to an empty string via tmsh will set it to None. For example modify gtm wideip a wip.f5.com last-resort-pool a

Fix Information

None options added to tmsh and GUI.

Behavior Change