I may be employed in IT. I may have spent a happy day delving into the inner depths of a misconfigured hub transport in a semi virtualized Exchange cluster. But when I get back I'm utterly bamboozled by this home stuff.
What I've got - Virgin broadband, using a cable modem. Plugged into that is a DWL-2100AP D-link wireless access point. A Mac laptop using Airport and a desktop PC upstairs with a D-link wireless card in it.
What I want - to get both machines seeing the internet at the same time.
What happens - if one has a connection then the other won't get a valid ip address and so can't "get out" to the net. The only way to make it do so is shut down the working computer, and entirely reboot the cable modem and the wireless access point. I can get the Mac or the PC to see the internet, but not both at once.
It seems to me as though the cable modem will only issue one ip via DHCP and refuses to do another. I tried making the 2100AP a DHCP server but that resulted in no machines getting an ip address at all.
It must be possible to get both machines working at once, surely?
Brain dribbling out of ears now.
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