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Forum Discussion

John_Heyer_1508's avatar
John_Heyer_1508
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Jul 21, 2015

Using LTM as secondary caching DNS server with GTM-DNS license

We have a small remote data center with a few dozen servers and a BigIP pair running version 11.6.0.   The servers need to use internal DNS in order to function, and are configured to use our in...
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John_Heyer_1508's avatar
John_Heyer_1508
Icon for Cirrostratus rankCirrostratus
Aug 08, 2015

Finally found what I was looking for - Fast DNS. The trick is creating a DNS Profile, then applying that to the VS.

 

  1. Create the DNS express zones under DNS -> Zones
  2. Create a DNS cache under DNS -> Caches. Enter the upstream servers as root hints, or create a forward zone called "."
  3. Create a DNS profile in Local Traffic -> Profiles -> Services -> DNS. Set DNS Cache enabled and select the cache name that was created in the previous step
  4. Create a Virtual Server, selected Advanced, and set DNS Profile to the name created in the previous step

Configuring Fast DNS