[lvs-users] Strange LVS behavior

Graeme Fowler graeme at graemef.net
Fri Aug 28 13:58:57 BST 2009

On Fri, 2009-08-28 at 08:35 -0400, Jon Gray wrote:
> We recently moved to a new data center and both of our load balancers 
> are now exhibiting some strange behavior.

...which sounds to me very much like "The ARP Problem".

One of your realservers is sending out ARP replies for the VIP and ends
up handling all the traffic directly, alone.

There are many ways to solve this - the best way being to use
appropriate sysctls. This is documented in the HOWTO, and on


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