Ensure that at least one DNS cache exists on the BIG-IP system.
You can create a custom DNS profile to configure the BIG-IP
system to cache responses to DNS connection requests.
On the Main tab, click
The DNS profile list screen opens.
The New DNS Profile screen opens.
In the Name field, type a name for the profile.
Select the Custom check box.
The fields in the Settings area become available for
From the Use BIND Server on BIG-IP list, select
From the DNS Cache list, select
When you enable the DNS Cache option, you must also
select a DNS cache from the DNS Cache Name list.
From the DNS Cache Name list, select the DNS cache that
you want to associate with this profile.
You can associate a DNS cache with a profile, even when the DNS
Cache option, is Disabled. This allows
you to enable and disable the cache for debugging purposes.
Assign the custom DNS profile to the virtual server handling the DNS traffic, which
includes the responses to queries that you want to cache.