Hello,
I've been experiencing very strange problems with ipx. I wanted to mount a
netware server today, so I started ipx networking, like I always do:
modprobe ipx
ipx-configure --auto-primary=on --auto-interface=on
Then I ran mount... it just hung... then I realized my tcp connections
don't work as they should, and then my co-workers noticed their tcp
connections are heavily lagged too, almost unusable.
I stopped the ipx stuff, and then everything went back to normal.
First I didn't want to believe it was my ipx that brought down the whole
network here, so I started it again... bang again...
My ethernet card got to about 50000 irqs per second, tcpdump showed high
ipx traffic, but I didn't know how to analyze it.
So after a couple of minutes I stopped it... everything went back to
normal... for a few minutes... then something happened to our router, I
don't know what, couldn't check it, but we couldn't see our second hop to
the internet, just the first router. After several minutes it came back...
I didn't think this had to do with this ipx thing, but now, after the work
hours I started ipx again, checked some things, stopped it... and our
route went down afterwards again, I just see the first hop now. So it
seems it is not a coincidence...
The conclusion: ipx on linux can bring down whole LANs and routers...
Running kernel 2.2.10... the same kernel I used ipx with last week with no
problems
Greg
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