^^^ that's exactly the kind of thing we're looking for - it's a DHCP discover packet - a broadcast message from your computer asking if there's a DHCP server that is willing to talk to it
I think what should happen next is the server should respond with an offer packet - if you don't see any responding DHCP traffic then that's a pretty sure sign that there is no DHCP service running - if that is the case then you will need a static IP, but you can't just guess it, you will have to get it from the old computer's configuration OR contact your building management (or ISP) - whoever provides / manages your internet service
http://en.wikipedia.org/wiki/Dynamic...hnical_details
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