These guys seem to think that MAC address is from a Dell device.

http://hwaddress.com/mac/000F1F-000000.html

<http://hwaddress.com/mac/000F1F-000000.html>

On Tue, Jul 27, 2010 at 5:53 AM, Terry Dickson
<[email protected]>wrote:

>  I do not have notes on this, but if I remember correctly I have seen
> something like this once in the past.  The MAC is from a Wireless Connector
> so look for a laptop(probably) that is connected with Wired connection but
> still has wireless turned on.
>  ------------------------------
> *From:* Fergal O'Connell [[email protected]]
> *Sent:* Tuesday, July 27, 2010 4:34 AM
> *To:* NT System Admin Issues
> *Subject:* Possible Rogue device on the network
>
>   HI Folks,
>
>
>
> We are having a sporadic network issue on our LAN which I am currently
> trouble shooting –
>
> I ran a wire shark capture on one of the hosts that is affected and I want
> to know what the following is
>
> I can’t find  that Mac address on our network.
>
> I checked the DHCP and I checked the arp table on all our switches and
> routers.
>
> MAC - 00:0f:1f:30:26:e3 is assigned to WW PCBA Test
>
> What I want to is find this device and turn off STP.
>
>
>
> Any idea’s?
>
>
>
>
>
>
>
>
>
> Regards
>
> Fergal O'Connell
>
> ICT Support
>
>
>
>
>
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