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Julian Anastasov wrote:
> > What messages would you get if the icmp problem was about the link between
> > the tunnel realserver and the director?
>
> Messages from the same type but we do not handle this case yet,
> so setting proper PMTU in director for the route to the real server
> is a good idea.
here's something about pmtu that I found useful
http://www.netheaven.com/pmtu.html
> > Why is the default MTU for ipip packets 1480, rather than
> > 1500+overhead_for_ipip=1520?
> > Is 1500 a hardware buffer size limit in the NICs? (ie hardware buffer=1500?)
> There is no such thing as MTU for ipip.
so what is the MTU doing in the output of `ip addr show dev tunl0`?
I can set it (can't I?). Is the mtu meaningless, ignored, what?
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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