3c59x NIC overruns with multicast makes networking freeze

From: Arnaud Installe (arnaud@bach.tvd.kotnet.org)
Date: Fri Sep 22 2000 - 20:10:50 EDT

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    Hi,

    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 

    -- 
Arnaud Installe                                             a.installe@ieee.org

    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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