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NIC not recognizing DHCP... it's using autoconfig IP

T

ThePiston

Senior member
I bought a new Netgear router and plugged it into my internetless network. For some reason my computer won't recognize it's DCHP server and it goes into autoconfig IP 169.254.XX.XX. Anyone know why? It's new so do I need ot get into it and turn DCHP on? should be on by default but i can't get into it if it's not on (computer won't know what 19.168.1.1 is)
 
Your "internetless network"? Do you have a hub/switch on this network? Are you connecting the router to this switch? If so, you might need a crossover cable to connect to the Netgear router.
 
I'm not sure what you mean by internetless network either. Let me assume this is what you mean:

You have a computer with a LAN card and you have a new Netgear router. You have turned on the Netgear router and plugged the computer into the router but your computer was not given an IP by the router and is defaulting to the autoconfig IP.

Assuming this is accurate, you can try a few things:

Start by unplugging the router and plugging it back in.

1. Go to Network Neighborhood -> Network Connections and right click on your LAN connection that is plugged into the router. Click Disable. Once it's disabled then right click on it again and Enable it. The DHCP server might release an IP.

2. You can do the same thing above from the command prompt a different way. Go to Start -> Run and type cmd and press enter.
At the prompt type: ipconfig /release (this will release the autoconfig ip)
type: ipconfig /renew (will ask DHCP server for new IP)
type: ipconfig (see if the router released an IP)

3. If the router still doesn't release an IP then try rebooting the computer and see if that helps.

4. You are correct that the router is set up, by default, as a DHCP server. Did you get an open box item? Maybe somebody returned it and had configured it to turn the DHCP server off. Find the reset button (usually recessed and you need a paper clip) and push it in with the router on for a few minutes. If that was the problem it should work from there.

Hope one of those tips work.
 
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