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Re: [lvs-users] Multiple Services Load-Balancing

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Multiple Services Load-Balancing
From: Joseph Mack NA3T <jmack@xxxxxxxx>
Date: Wed, 2 Sep 2009 09:45:36 -0700 (PDT)
On Wed, 2 Sep 2009, Darren.Mansell@xxxxxxxxxxxx wrote:

> This has worked fine so far but now I need to run multiple web servers
> on the cluster which involves allowing the web server to bind to
> 127.0.0.1:80. Of course this means I can only run one web server per
> cluster on port 80.

if the server binds to 127.0.0.1, it will reply from 
127.0.0.1. Packets will not be able to get back to the 
client.

> As the requirement for LVS is that the receiving node will accept
> traffic but not respond to ARP on the virtual IP can I get around this
> by adding multiple loopback devices?

with iproute2 tools, you can add multiple addresses to lo

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!

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