A router reservation (if that's an option on your router) or setting up a static IP on the computer is the best way to go. Do -not- turn DHCP off on the router or -all- your computer will require static IPs.
Do this. Set up your static ip how you think it should be set, then cut and paste the results of an "ipconfig /all" from that box here. When setting up the static IP, bear the following in mind:
The IP address you assign it should be in the same subnet as the router (i.e. if your router is 192.168.2.1, your IP needs to be 192.168.2.2 through 254 assuming a subnet mask of 255.255.255.0). Also, the address should not overlap with any existing box you have on your network. It also should not exist within the DHCP scope range of the router (many routers start at .100, so following in suit from my previous example you'd pick a number between 192.168.2.2 through 192.168.2.99).
Log into your router or view the IPconfig of another box on your network to find your ISP's DNS servers and enter those sequentially. Also, make sure the -internal- IP address of your router is set as your "default gateway." If either of these two things are not done correctly, your computer will not be able to browse the internet.
One last thing to bear in mind is that if you wanted to get going right now, you don't actually need static IPs. It's certainly recommended, but if you turn your computer on more than one a week (the default lease expiration time on many devices) then you don't have to worry about your ip changing. A static IP is still the best way to go, but if you just want to get going now you could forward to your DHCP assigned address.
-Byshop
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