Re: [lvs-users] Windows fail over ARP issue

To: " users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Windows fail over ARP issue
From: Joseph Mack NA3T <jmack@xxxxxxxx>
Date: Thu, 17 Jan 2008 05:14:39 -0800 (PST)
On Wed, 16 Jan 2008, Robin Bonin wrote:

> When the second load balancer takes over the first, the second server
> takes over the virtual IP addresses,
> but the windows server is still trying to route it's traffic through
> the first load balancer. (I can tell my running a trace route)
> If I clear the APR by calling arp -d *, it fixes the problem.
> Is this the same arp issue that I see tons of other post about?

close, no, it's another one. The DIP on the director has to 
move to the new active director and it has to send out 
gratuitous arp messages (send-arp does this for you) to 
flush the entry in the realservers arp cache


Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at
Homepage It's GNU/Linux!

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