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Actually I just finished reading
http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.arp_problem.html
about 5 minutes before your reply and applied the following to my
sysctl.conf:
net.ipv4.conf.eth0.arp_ignore = 1
net.ipv4.conf.eth0.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
And now it seems to be working again. Thanks for the quick reply Graeme!
Graeme Fowler wrote:
> 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
> linuxvirtualserver.org.
>
> Graeme
>
>
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
>
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>
--
Thank you for trusting Bluetoad with your publication!
Jon Gray
System Administrator
Bluetoad, Inc.
5323 Millenia Lakes Blvd., Ste. 140
Orlando, Florida 32839
Tel: 407-992-8744
Fax: 321-248-0716
jon@xxxxxxxxxxxx <mailto:jon@xxxxxxxxxxxx>
www.bluetoad.com <http://www.bluetoad.com>
_______________________________________________
Please read the documentation before posting - it's available at:
http://www.linuxvirtualserver.org/
LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
or go to http://lists.graemef.net/mailman/listinfo/lvs-users
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