Forum Discussion

norouz_167230's avatar
norouz_167230
Icon for Nimbostratus rankNimbostratus
Apr 26, 2015

DNS Prefetch

Hello All,   I'm using the BIG-IP as transparent DNS resolver cache. I want to know is there Prefetch feature in BIG-IP DNS like the prefetch in Unbound or new versions of BIND. Prefeth to early r...
application delivery
BIG-IP DNS
dns cache
gtm
LTM
TMOS
PSilva's avatar
PSilva
Ret. Employee
Aug 31, 2016

Hi Norous (and Gordon)~

 

I'm not sure about that specifically, but this talks about DNS prefetch and implications:

 

SOL13930: DNS prefetching feature on client browsers may negatively impact high availability features of F5 products - https://support.f5.com/kb/en-us/solutions/public/13000/900/sol13930.html?sr=56850567

 

And this document shows a DNS prefetch example (toward bottom) but pertaining to AAM:

 

https://support.f5.com/kb/en-us/products/big-ip-aam/manuals/product/aam-concepts-11-6-0/18.html?sr=56850463

 

Not sure if that helps.

 

ps