Forum Discussion
Philip_Bray_719
Nimbostratus
Jul 02, 2014iRule Possibilities for LDNS from a client workstation
Hi,
We are implementing F5 GTMs in several data centers globally and need to implement topology based load balancing based on the initiating LDNS source. All the obvious methods i.e authoritativ...
The_Bhattman
Nimbostratus
Jul 03, 2014Hi Philip, Unfortunately if the GTM sees the current DNS servers as the LDNS source so will the iRule on it. DNS doesn't carry special information regarding the client who requested so you can't pick that up within iRule either. However, you may be able to accomplish this by asking to turn off recursive for a specific domains. I do remember that with Windows DNS it's a global settings so it's basically an ON or OFF switch accross the board. However, I do remember that you can do this in BIND.
I hope this helps,
-=Bhattman=-
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