I have a linux machine set up as a router between the office subnet and
the department subnet. The department subnet has one gateway, which is a
vivid router of some description. Most of the time our setup works
perfectly.
Very occasionally, every month or so, the vivid router stops talking to
us. Last time it happened, it was found that the vivid had mapped the
hardware address of our router to the ip address of one of the office
machines.
Does this mean our linux machine is sending corrupt packets to the router?
The initial problems were with kernel 2.0.34, since upgrading to 2.0.37
we have had two glitches which didn't last long enough to investigate.
In both cases the kernel has ip forwarding turned on, no firewalling
options.
Comments welcome,
Geoff
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