Symptoms

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

Impact

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

Conditions

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

Workaround

Use TMSH to configure the options.

Fix Information

The cache option can now be managed through TMUI.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips