Re: Linux box causing network meltdown! HELP!!!

Harvey J. Stein (hjstein@bfr.co.il)
20 Jul 1999 16:08:50 +0300


Dominik Kubla <dominik.kubla@uni-mainz.de> writes:

> On Tue, Jul 20, 1999 at 01:35:13AM +0300, Harvey J. Stein wrote:
> ...
> > The network guys here got that from a sniffer they put on the line.
> > They say the weird things about the packet are the ethertype of 8808,
> > that it's shorter than the minimum packet size of 64 bytes, and that
> > it's a multicast broadcast packet. So, why my box is putting it on
> > the wire (especially given that I'm not doing any multicast), and how
> > do I stop it? BTW, rebuilding the kernel without multicast support
> > doesn't stop these weird packets from going out.
> ...
>
> Are you by chance using IPX? If so, disable the autoconfiguration of
> the encapsulation. For some reason Linux' 802.x-IPX and Spanning-Tree
> don't like each other! If you need to use IPX in a switched enviroment,
> you'll have to go with EtherII. In addition there seems to be a problem
> if you have more than one encapsulation in use and both use the same
> IPX network number, something Windows apparently allows but Linux rejects.

In the test kernel I built I turned off IPX in addition to turning off
multicast. These packets still went out.

-- 
Harvey J. Stein
Bloomberg LP
hjstein@bfr.co.il

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