[lvs-users] arp_ignore issues

[Tim Mooney]

In regard to: [lvs-users] arp_ignore issues, Jacob Smullyan said (at 5:48pm...:

> Hi --
>
> I have an LVS-DR cluster that has been running for years; its realservers
> have linux 2.4 kernels and I use the noarp module to hide the VIP.  I now
> want to add realservers with 2.6 kernels (2.6.20 at the moment), and am
> attempting to use arp_ignore and arp_announce to solve the arp problem as
> follows:
>
>    # from sysctl.conf
>    net.ipv4.conf.all.arp_ignore = 1
>    net.ipv4.conf.all.arp_announce = 2
>    net.ipv4.conf.eth0.arp_ignore=1
>    net.ipv4.conf.eth1.arp_ignore = 1
>    net.ipv4.conf.eth0.arp_announce = 2
>    net.ipv4.conf.eth1.arp_announce = 2

We're using

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

Tim
-- 
Tim Mooney                                        Tim.Mooney at ndsu.edu
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