For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

Toby_Demetrovic's avatar
Toby_Demetrovic
Icon for Nimbostratus rankNimbostratus
Mar 26, 2014

GTM issue returning non authoritative responses

Hi all, slight problem with our External DNS servers. Our GTMS are fowarding to internal boxes where the zones are authoritative. 99% of the time this works. But we have a certain ISP that is drop...
application delivery
BIG-IP DNS
devops
iRules
LTM
gbbaus_104974's avatar
gbbaus_104974
Historic F5 Account
Mar 26, 2014

Hi

 

What about using the GTM as an Authoritative slave. ie Do a Zone transfer from the 'ns11.xray.com' server to the GTM (gns1.xray.com) and allow the GTM to reply directly, vs having the GTM forward the request on ?

 

You would need to enable 'DNS Express' on the GTM.

 

I am not sure what version of code, but if running v11.2 or v11.3 and above you should have that capability available to you.

 

  • bboyjnr_8532's avatar
    bboyjnr_8532
    Icon for Cirrus rankCirrus
    Mar 26, 2014
    not trying to be one up or anything but you could enable dns cache also.