Forum Discussion
kva_178637
Nimbostratus
NimbostratusDNS Express and CNAMES to AWS servers
For internal DNS we sync our GTMs' DNS Express with AD Integrated DNS that is managed by another team. By default, CNAMES that point to the names of servers in AWS are not being resolved to an IP by ...
John_Heyer_1508
Cirrostratus
CirrostratusThe F5 actually already has a BIND backend running, and one work-around is create a separate listener IP with it enabled but DNS express disabled, then use that as the DNS server that the clients point to.
Before undertaking anything, I found this was a useful doc to better understand the services and how they sometimes overlap:
K14510: Overview of DNS query processing on BIG-IP systems
Patricia_GonzalNimbostratus
NimbostratusWe were able to do this with an Irule that disabled DNS Express for CNAME records in DNS Express Zones. We had to enable Bind on the GTM with forwarding resolvers.