strange problem with LAN

[Rick Sewill]

On Tue, 2007-04-10 at 12:56 -0700, Gerhard Magnus wrote:
> I have assigned IP addresses to the boxes on my home network,
> 192.168.1.11 thru 192.168.1.14.  This arrangement has worked without
> problems until today.
> 
> When I booted up the machine at 192.168.1.13, instead of the usual
> report of eth0 being activated I saw an error message: "Some other host
> already uses 192.168.1.13".  I was unable to ping 192.168.1.13 from
> another machine.  Box 192.168.1.13 remained unconnected to the LAN until
> I manually activated eth0 using system-config-network.  Then everything
> worked normally.
> 
> I rebooted another of the boxes 192.168.1.11 and got a similar message:
> "Some other host already uses 192.168.1.11".  Again, activating eth0
> solved the problem.
> 
> What's happening?  Is there an easy solution?  If not, what can I do to
> troubleshoot this further?
> 

Question: do you have a switch or hub on your lan causing a loop?

I am wondering, when the box ARPs to see if any other device has 
its IP address, does it hear itself?

> Thanks for the help!
> Jerry
> 
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