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 1.0
Eric_Chen
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James_379753
Nimbostratus
NimbostratusThis seems to be exactly what we need in our architecture but has anybody got this working where the LDNS server is a Windows 2016 server?
In our lab we can see the Windows 2016 server forward the request to the F5 but we cannot see any eDNS client subnet field in a wireshark trace of that request. As such the solution doesn't work.
Does anybody know if we need to 'turn on' the client subnet somewhere on the Windows 2016 server? Thanks.