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Re: Whats the deal with LVS using IP TUN? Is it usefull at all?Plsreadt

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Whats the deal with LVS using IP TUN? Is it usefull at all?Plsreadthis.
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Tue, 15 Jul 2003 12:32:05 -0400
Viperman wrote:
> 
> Thanks, Joe.
> 
> I think I got it now.
> So in fact there is a way for my provider to allow the spoofing for me and
> not only to all clients like they said.

the only extra thing they  have to do it to allow packets from your
realservers with src_addr=VIP:port (where VIP:port is the LVS'ed service).
Their problem is that they don't own the network containing the VIP,
and they normally wouldn't have packets with src_addr=VIP coming 
from any of their machines. They can block packets with 
src_addr=VIP:all_other_ports.

Joe
-- 
Joseph Mack PhD, High Performance Computing & Scientific Visualization
SAIC, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb@xxxxxxx
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