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Re: How can setup Kernel 2.6.4 for the ARP problem?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: How can setup Kernel 2.6.4 for the ARP problem?
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Wed, 28 Jul 2004 12:19:15 -0400
Leo wrote:
> 
> lvs-users
> Dear All,
> 
>   My DR still had problem. The kernel in Director is 2.6.4-52 (Suse 9.1). 
> After TCPDump
> in Realserver and Director, Director got the client's request, but Realserver 
> didn't got any package from Director.

what is the output of `ipvsadm` after attempting to connect from the client

>   I think it maybe still the ARP problem. I found a note said after 2.6.4, it 
> need to use
> such flag:
> 
> /etc/sysctl.conf
> net.ipv4.conf.lo.arp_ignore = 1
> net.ipv4.conf.lo.arp_announce = 2
> net.ipv4.conf.all.arp_ignore = 1
> net.ipv4.conf.all.arp_announce = 2
> 
> But I didn't found /etc/sysctl.conf in my Linux.

it's a RedHat-ism. 

echo "1" > /proc/net/ipv4/conf....

etc

> Anyone had config 2.6.4 successfully? Can you please give me your steps after 
> install ipvsadm?  I think I make a wrong when I config eth0 and lo:0. I'm 
> newbie, so any suggestion is very welcome.


you could use the instructions in the mini-HOWTO

Joe
-- 
Joseph Mack PhD, High Performance Computing & Scientific Visualization
LMIT, 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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