Round Robin DNS behaving strangely.

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From: Lonnie Paschall (lpaschall_at_connectionsacademy.com)
Date: 05/24/04


Date: Mon, 24 May 2004 11:57:09 -0400

I have setup our Windows 2000 DNS server to load balance using Round Robin
all requests for a specific host to two different web servers. During
testing I noticed some strange issues and am not sure if this behavior is by
design. For example, when I ping the host from my laptop I get the first
address. I can then go to another machine and ping the same host and I get
the other address, etc..But if clear my dns cache (ipconfig /flsuhdns), I
still get the same IP. In addition if I log onto the another workstation and
alternate requests for the host, I get the same IP on both machines that I
am logged into using the same username. It is like the DNS server is handing
out the IP's in the same order based on my username. Now it is handing both
IP's out, and it is alternating but again it seems to be referencing my
username and even after I flush my cache I consistently get the IP's in the
same order.

Any thoughts?

Thanks,

Lonnie



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