Forum Discussion

Cirrostratus

Apr 05, 2016

Problem with geolocation with GTM in a delegated domain scenario

Our GTMs operate as an authoritative subdomain, so the only traffic that gets to GTM comes from our regular DNS servers. Because of this, the client source IP is lost and we are not able to take any ...

Employee

Apr 06, 2016

It's quite common to deploy GTM using CNAMEs to redirect the queries to a subdomain that the GTM is authoritative for

For example, www.myservice.com would return a CNAME to www.gtm.myservice.com

Alternatively, if your clients support EDNS0 and are setting the client subnet field, you could potentially load balance on that

https://devcentral.f5.com/articles/implementing-client-subnet-in-dns-requests

https://devcentral.f5.com/wiki/iRules.DNS__edns0.ashx

Forum Discussion

Problem with geolocation with GTM in a delegated domain scenario

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