Binand Raj S. wrote:

On Wed, Nov 20, 2002 at 12:06:40PM +0530, Sanjay Bhattacharya wrote:

You can use DNS round robin scheduling. For this your DNS records must have multiple IP's assigned to a single host. If host name lookup fails then the DNS supplies another IP.

Huh?? How is that possible?

Binand


You can have one host assigned multiple IP's by putting several A and PTR records in the zone files. For instance,

$ORIGIN testdom.com
test IN A 192.168.1.1
test IN A 192.168.1.2

and

$ORIGIN 1.168.192.in-addr.arpa
1 IN PTR test.testdom.com.
2 IN PTR test.testdom.com.

Now if a query is made for test.testdom.com and 192.168.1.1 doesn't respond, bind will supply 192.168.1.2 for the host. To answer your query, I think thats how it's possible.

Sanjay






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