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Re: What is the purpose of setting metric to 254 in DR mode?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: What is the purpose of setting metric to 254 in DR mode?
From: Malcolm Turnbull <malcolm@xxxxxxxxxxxxxxxx>
Date: Wed, 11 Aug 2004 14:56:54 +0100
NT can be a pain in the backside when its routing table gets confused :-)
In my experience setting the metric to 254 solves 95% of issues.
Using the registry to set the mask to 255.255.255.255 does the other 5%

Seems to happen more often in NT style domains or servers with multiple NICs.

Any NT realserver with a problem is easy to spot as it won't work in DR full stop, and the routing table will be incorrect.

Regards,

Malcolm Turnbull.

Loadbalancer.org Limited
+44 (0)7715 770523
http://www.loadbalancer.org/


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lstep@xxxxxxxxxxxx wrote:

Hello,

I'm trying to understand why do one set the metric of the localhost interface to 254 (according to the doc found on http://wiki.linuxquestions.org/wiki/LVS_with_HA_for_Win2k_Terminal_Servers) when configuring a W2K realserver's loopback in a Direct Routing mode?

If I don't do this what problem(s) may I get?

Thanks,
Luc
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