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Chris Paul wrote:
>
> Casey,
>
> The problem is one I am only too familiar with.
>
> It is caused by the linux kernel not taking into account the size ipip tunnel
> headers when sending traffic over an ip tunnel.
This problem is described in
http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.LVS-Tun.html#MTU
(
you would find it eventually by entering "tunnel" and "MTU" into the search
HOWTO search engine listed at the top of
http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/
)
It appears to be a kernel problem and not an LVS problem
> 1. Upgrade to kernel 2.6.???
>
> 2. Change the MTU values on the director.
Ratz says that the problem is solved if you set the MTU for the route,
(rather than for the device)
> I solved it by changing the MTU values, but it was nearly a year ago now I a
> can't remember exactly which ones I changed, ie, the RIP on the director, the
> tunnel from the director, or the tunnel from the real server.
Joe
--
Joseph Mack PhD, High Performance Computing & Scientific Visualization
SAIC, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb@xxxxxxx
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