Implementing Client Subnet DNS Requests

Problem this snippet solves: Update 2018-10-23: As of BIG-IP DNS 14.0 there is now a checkbox feature for edns-client-subnet. Please see: Using Client Subnet in DNS Requests. The following is stil...
Published Jun 16, 2015
Version 1.0
BIG-IP DNS
devops
iRules
Eric_Chen's avatar
Eric_Chen
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Dec 21, 2015
Hi, I'm seeing a similar result with using 11.5.3. I agree that the issue appears to be with passing the variable $gtm_ecs_address to whereis and getting back an empty response. When I created the iRule I had tested with 11.6.0, but not with 11.5.3. I'll update the codeshare to reflect that this works 11.6.0 and forward.