Forum Discussion

steve_88008's avatar
steve_88008
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Sep 04, 2014

Authoritative Screening

i have GTMs set up for authoritative screening for internal DNS queries. clients have the pri and sec dns settings pointing to GTM listeners.   Problem encountered is when a client joins the AD d...
BIG-IP DNS
deployment
Cory_50405's avatar
Cory_50405
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Sep 05, 2014

I'd recommend running a tcpdump on your GTM to help isolate what the problem may be. If the setup is working properly, you'll see GTM sending DNS queries to your pool members. Could be that responses aren't coming back for whatever reason.