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Wasfi_182818's avatar
Wasfi_182818
Icon for Altostratus rankAltostratus
Nov 20, 2016

DNS returns VIP1 and VIP2. How to have it return an empty response.

Hi;   When the DNS service is disabled for GSLB, instead of returning an empty response, the F5 DNS returns both VIP1 for Data Centre1 and VIP2 for Data Centre2. Is there a way to have it return a...
application delivery
BIG-IP DNS
FMA's avatar
FMA
Icon for Nimbostratus rankNimbostratus
Nov 20, 2016

Hi, I'm not sure what is empty response, but you can configure DNS beahvior inside the pool: GSLB -> Pool -> Members -> Load Balancing Method

 

By default Fallback method is Return to DNS which is processed by BIND returning all records of a particular type requested by DNS client. You can try changing it to Drop / None.