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RE: Using iptables redirect for ARP problem on red hat real servers

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: RE: Using iptables redirect for ARP problem on red hat real servers
From: "Miguel A. Felipe" <michel@xxxxxxxxxxxxxxxxx>
Date: Tue, 6 Jul 2004 17:03:32 +0200
I?ve planned another way to prevent the arp problem, try this
implementation:


In the sysctl.conf file add the following lines to prevent the arp response
for the address with scope host.

net/ipv4/conf/lo/arp_ignore=3
net/ipv4/conf/all/arp_ignore=3



-----Mensaje original-----
De: lvs-users-bounces+michel=claudiofelipe.com@xxxxxxxxxxxxxxxxxxxxxx
[mailto:lvs-users-bounces+michel=claudiofelipe.com@xxxxxxxxxxxxxxxxxxxxx
g]En nombre de Malcolm Turnbull
Enviado el: martes, 06 de julio de 2004 16:43
Para: LinuxVirtualServer.org users mailing list.
Asunto: Using iptables redirect for ARP problem on red hat real servers



I've used the following to solve the ARP problem on linux real servers
before :

$VIP=x.x.x.x
iptables -t nat -A PREROUTING -p tcp -d VIP -j REDIRECT

Which works fine, but I've just set one up with two RedHat real servers
and I seem to be getting something similar to the ARP problem. 1 Active
connection, 1 FIN_WAIT and 27 CLOSED ?

Anyone else come across problems like this ?



--

Regards,

Malcolm Turnbull.

Loadbalancer.org Limited
+44 (0)7715 770523
http://www.loadbalancer.org/



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