Forum Discussion
SimoParis_85044
Altostratus
Mar 24, 2008Bind vs GTM DNS
Hi,
I would like to understand a bit more the DNS server feature as implemented on GTM:
- wideip is a way to code FQDN with pools, virtual servers, load balancing methods etc => Wh...
Chris_Seymour_1
Apr 10, 2008Historic F5 Account
You are correct that the secondary name server that you setup will only receive the BIND zone file. You would not want the zone that you have wide-ips created for to be on a secondary non-gtm name server because if someone queries that server they will not get the global load balancing benefit for the records you want globally load balanced.
What you may want to consider is to delegate a subdomain ie gtm.domain.com to the listener address and have your wide-ips be in that domain.
ie:
configure a wideip www.gtm.domain.com
In the zone file domain.com
gtm.domain.com. IN NS gtmlistener.domain.com.
gtmlistener.domain.com. IN A 1.2.3.4
www.domain.com. IN CNAME www.gtm.domain.com.
By doing this you can have your domain.com. zone file always delgate the www.domain.com queries to the wideip on the gtm even if the user query hits a secondary name server.
This is a common practice when organizations want to keep their domains on a separate name server from GTM but still get the benefit of global load balancing for that zone.
Let me know if you have more questions.
Chris
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