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On 1/22/2010 8:23 AM, Paul Marsh wrote:
> I'm trying to help out a non-profit with a wiring closet mess. We need
> to figure out what ports go to what offices. Rather than toning each
> port out couldn't wireshark help? I was thinking if each workstation
> was configured to spit out specific packets I could sniff each port on
> the switch to see what workstation belonged to which port. Any ideas?
>
> TIA
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Two options I see:
Make a matrix of mac addresses to jack number/office numbers and then
look at the switch's CAM table. You'll then see what port goes to what
office.
If the switch is running spanning tree, you could sniff each port and
look at the source MAC of the BPDU. This should be the MAC address of
the connected switchport.
Good luck.
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