Round robin on CNAME

phn at icke-reklam.ipsec.nu phn at icke-reklam.ipsec.nu
Wed Mar 27 18:30:40 UTC 2002


Someone <please at nospam.net> wrote:

> Hello,

> I would like to know if it's possible to do round robin based on 
> multiple CNAME entries, like that for example: ?

You cannot legally do this. It's an error to have several
CNAMES for the same lhand.


> www1 
> 	IN	A	X.X.X.X
> www2 
> 	IN	A	X.X.X.X
> www 
> 	IN	CNAME	www1
> www 
> 	IN	CNAME	www2

> Because my BIND v9 is complaining:

> Mar 27 09:41:02 hostname named[22042]: dns_master_load: 
> master/filename:12: multiple RRs of singleton type

> Or else how can I achieve this ? Because I would like to do round-robin 
> between 2 web servers but still  have valid names to access and 
> differentiate them like www1 and www2.

You will have to use A records ( or make the transition to SRV records that
will actually do what you want ) 


> Thanks for your comments

> Regards



-- 
Peter Håkanson         
        IPSec  Sverige      (At the Riverside of Gothenburg, home of Volvo)
           Sorry about my e-mail address, but i'm trying to keep spam out.
	   Remove "icke-reklam" and it works.


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