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Forum Discussion

dstogsdill_2492's avatar
dstogsdill_2492
Icon for Nimbostratus rankNimbostratus
Nov 04, 2012

GTM iRule - cname

Hi all,   I'm trying to test a simple iRule to return a cname for a wide IP. I looked at the cname Wiiki on dev central and my syntax looks correct, however, it is not returning the cname respons...
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Mohamed_Lrhazi's avatar
Mohamed_Lrhazi
Icon for Altocumulus rankAltocumulus
Nov 05, 2012
The are two diffeent DNS servers... The first is GTM (Not DNS Express or DNS cache service) but GTM module itself. The second is BIND runnning in Linux.

 

 

Looks like you first query worked, right? It return:

 

 

;; ANSWER SECTION:

 

test1.test.com. 0 IN CNAME test.test.com.

 

 

Whcih is valid response and which a real DNS server, unlike dig/nslookup, would know to requry to follow the aliases chain.

 

 

What is the probme you are trying to solve?

 

What version of BIGIP GTM is this?

 

 

There is a bug related to CNAME queries to wide_ips though... What exactly do you need to do, and why?