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Tao Zhao wrote:
>
> Hi,
>
> Since I need multiple VIPs on real servers, I use loop back device
> (lo) for this purpose.
>
> I'm using kernel 2.4.5 and applied the hidden patch hidden-2.4.5-1.diff
> to the real server (with IP address RIP). VIP and RIP are in the same
> subnet.
>
> Here is what I did:
>
> $insmod ipip
>
> $echo 1 > /proc/sys/net/ipv4/conf/all/hidden
> $echo 1 > /proc/sys/net/ipv4/conf/lo/hidden
you also need to hide the tunl0 device
>
> $ip tunl add tun0 mode ipip local 127.0.0.1 dev lo
hmm, I don't know this syntax, but
the tunl0 device should have the VIP on it.
Joe
> $ip addr add VIP1 dev lo
>
> But I couldn't ping RIP from the director. I believe it's the arp problem.
> I must did something wrong. Can someone point it out to me?
>
> Thanks,
> -Tao
>
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--
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center,
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
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