Forum Discussion
John_Heyer_1508
Cirrostratus
CirrostratusGTM: SERVFAIL when looking up Internet hostnames
I need our GTMs to be able to resolve Internet hostnames. I've followed all the required steps, such as setting up '.' has a hint zone, downloading the named.root file, enabling recursion, and even ...
Mike_Sullivan_2
Nimbostratus
NimbostratusThe way I have it setup is w/ the DNS Express feature (11.5.1). I have a pool of external resolvers. I have a DNS profile that is setup for caching and allows Unhandled Queries (so that the external resolver pool gets used). Finally I have a gtm vip tying it together.
I used this document to set it up: https://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/tmos-implementations-11-1-0/6.html
Cheers, Mike
