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Re: Question about LVS-DR setup

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Question about LVS-DR setup
From: djo@xxxxxxxxxxxxxxxxxxxxxx
Date: Wed, 19 Jun 2002 09:42:04 -0700
On Wed, Jun 19, 2002 at 06:16:15AM -0400, Joseph Mack wrote:
> djo@xxxxxxxxxxxxxxxxxxxxxx wrote:
> > 
> > One thing I didn't realize initially and that didn't
> > seem  clear to me in
> > the HOWTO's regarding a one-NIC-two-network setup was that I must have the
> > 2 subnets plugged into the same switch. 
> 
> hmm, how do you have 1 NIC connected to 2 switches (just so no-one else
> has to go through the same problem)? 

No, i have one switch and both the internal and external subnet are
*plugged* into it meaning any interface connected to that switch can
potentially recieve packets on either the internal or external subnet.
> 
> 
> > I wanted to not use the director as the gateway for the realservers but am
> > wondering if there are constraints based on the fact that the realservers I 
> > am using are
> > running Windows 2000
> 
> with LVS-NAT, the director has to be the default gw for the realservers. For 
> LVS-DR
> you can use the director as the default gw as long as you apply one of 
> Julian's
> patches to the director.
> 
> > assigned to the lo0 device.  Is it correct that for direct-routing from the
> > realservers to the client that the default gateway for the realservers
> > should be the gateway on the external subnet (i.e. the gateway on the
> > network of the VIP)?
> 
> any path that doesn't go through the director is OK.
> 
> Joe
> 
> -- 
> Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
> contractor to the National Environmental Supercomputer Center, 
> mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
> 
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