Re: Networking just stopped working

[Christopher Chan <christopher.chan@xxxxxxxxxxxxxxx>]

On Thursday, July 08, 2010 09:26 AM, Kahlil Hodgson wrote:
> On 06/07/10 22:48, Les Mikesell wrote:
>> Chan Chung Hang Christopher wrote:
>>> Christopher Chan wrote:
>>>> And now the thing is working again...
>>>
>>> It's not working again.
>>>
>>> Running tcpdump -i vlan seems to trigger something to get the network
>>> working again but as soon as I stop tcpdump...nada, zip, zilch.
>>>
>
> If you have two machines on the same network with the same IP address
> you get behaviour like this.  Had this happen once when an engineer
> reset a UPSs and it took on the IP address of a main switch.
> arpwatch is your friend.
>

Unfortunately all addresses, both internal and Internet, on this box are 
static and assigned so there is no hope of a collision. The dhcp server 
does not serve any address in the same range that the box uses internally.
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