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Subject3c59x NIC overruns with multicast makes networking freeze

Has anyone else seen a lot of overruns while serving multicast on a pretty
loaded (60%) network, with 3c59x cards ? (BTW What exactly are
"overruns" ? Are they buffer overflows on the NIC side or buffer
overflows on the kernel side, because the software can't follow, or even
something completely different ?)
We're seeing a lot of overruns on a server which has to handle a lot of
connections. Those connections are handled by a Java program using the
IBM Java JDK 1.1.8 on a Linux 2.2.16 kernel.
After a while the network freezes. I can't ping nor ssh to the machine.
Restarting the network scripts solves the problem.
Any suggestions ? Tnx,


Arnaud Installe

One cannot make an omelette without breaking eggs -- but it is amazing
how many eggs one can break without making a decent omelette.
-- Professor Charles P. Issawi
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