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Re: Problems with LVS TUN and adsl running NAT

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Problems with LVS TUN and adsl running NAT
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Tue, 03 Feb 2004 06:50:12 -0500
"Viperman .::." wrote:
> 
> I just don't understand what you need, so i will try again.

OK, I'll tackle the problem below then you tell me what I haven't addressed.

Problem: you want to set up an LVS behind a NAT modem. The outside
world comes in through a dynamically allocated IP that has a DNS name
www.foo.net. The dynamically allocated IP is always demasqueraded 
(I think this is the right term) to 192.168.0.1 without changing 
the port numbers. In the masquerading direction, packets leaving
from 192.168.0.1 emerge having src_addr = the dynamic IP.

Answer: You should be able to do this. You have an LVS with the VIP=192.168.0.1
and the name www.foo.net. Make sure the machines all think they are serving
packets for www.foo.net

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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