Using Client Subnet in DNS Requests
BIG-IP DNS 14.0 now supports edns-client-subnet (ECS) for both responding to client requests (GSLB) or forwarding client requests (screening). The following is a quick start on using this feature.
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Published Sep 14, 2018
Version 1.0Eric_Chen
Employee
Joined May 16, 2013
Eric_Chen
Employee
Joined May 16, 2013
Kevin_Basler
Nov 09, 2018Altostratus
Thanks for your quick reply, Eric.
Looking at the irule, I see it doing a whereis on the ECS subnet and logging the response. I fail to see how GTM then knows how to use this information for its topology load balancing. Can you help me understand how this works?
Thanks
Kevin