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Changing of network and problem with nat

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Changing of network and problem with nat
From: rolyaT yuG <guy@xxxxxxxxxxxxxx>
Date: Thu, 10 Jan 2002 16:25:52 +0200
We are in the proceedes of changing our network. With this change we are being
forced to relinquish a number of external IP's so, I need to move from a
happily working DR Load-Balancer, to a NAT Load-Balancer. Which I cant seem to
get working right.  The setup is currently like this:

                  |
                  |
                  |    196.36.x.x
             ----------
             |        |
             |        |
             ---------- 192.2.1.1
                  |
                  |
                  |
             ---------- 192.2.1.2
             |        |
             |        |
             ----------

Just for testing purposes. There is a ingle NIC in the direcot. If I run redir
on port 80 of the director, and just redirect to the port on the realserver I
can get through. Which says that the routing is fine. I have added a nat rule:


iptables -t nat -A POSTROUTING -s 192.2.0.0/255.255.0.0 -d 0.0.0.0/0 -j 
MASQUERADE


and done all the turning off of ICMP redirects, as shown in the manual.

I'm using:

ipvsadm v1.20 2001/09/18 (compiled with popt and IPVS v0.9.5)

with Kernel:

2.4.12


The web page is simply timing out when I try to access it.....

Any ideas, pleas...I'm slowly but surely lsing my hair
-- 
Guy Taylor
Cell: 083 357 3438

Intelligenti pauca - Few words suffice for he who understands.



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