Varnish w/hardware loadbalancing woes

[Cosimo Streppone]

On Fri, 24 Sep 2010 01:23:00 +0200, Copper, Candace L  
<Candace.Copper at goaaa.com> wrote:

> Michael, had the ARP disabled on the VIP

Most probably it's not your problem, but I thought
I'd mention it anyway. This is for LVS + direct routing:

1) ARP is enabled on the LVS machine, where your VIP is

2) on the backend servers, we apply the following
    sysctl mantra for direct routing to work properly:

   net.ipv4.conf.lo.arp_ignore = 1
   net.ipv4.conf.all.arp_ignore = 1
   net.ipv4.conf.lo.arp_announce = 2
   net.ipv4.conf.all.arp_announce = 2

See also:
   http://kb.linuxvirtualserver.org/wiki/Using_arp_announce/arp_ignore_to_disable_ARP
   http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.arp_problem.html

-- 
Cosimo