Bug ID 1143985: TMUI options to configure Nameserver Minimum RTT are unavailable in DNS Cache and Net Resolver

Last Modified: Mar 26, 2023

Affected Product(s):
BIG-IP GTM(all modules)

Fixed In:

Opened: Aug 29, 2022

Severity: 4-Minor


The webUI field to configure the option NameServer Minimum RTT in DNS Cache and/or Net resolver is unavailable.


The features provided by the option NameServer Minimum RTT cannot be managed through TMUI.


- The DNS Cache is configured and used in a DNS profile associated with a GTM listener. or - A DNS Resolver is used.


Use TMSH to configure the options.

Fix Information

The cache option can now be managed through TMUI.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips