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Re: [lvs-users] Source-IP based distribution

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Source-IP based distribution
From: Joseph Mack NA3T <jmack@xxxxxxxx>
Date: Mon, 12 Jul 2010 09:07:20 -0700 (PDT)
On Mon, 12 Jul 2010, Richard Verwayen wrote:

> Hello World!
>
> Just fiddling around with ldirectord and IPVS for a setup where a
> firewall has two interfaces on two different external networks (lets
> make it 172.16.23.0/24 and 192.168.23.0/24) and is used as a load
> ballancer for httpd.
>
> Right now, we need to distribute the traffic over both lines (DNS Round
> robin), but I have to be sure that the client needs to end up on the
> same (internal) server, no matter which external IP is used.

in general, ipvs doesn't guarantee that a client will wind 
up on a particular realserver (except for the source routing 
scheduler, or persistence)

ipvs only affects packets after they've arrived on the 
director and doesn't care which NIC they arrive on. Are both 
NICs advertising the VIP?

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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