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Using an old router as a DIY wireless Access Point

By: Cameron Wilmot | Guides | Posted: Aug 27, 2008 4:00 am

Setting up devices connecting to old router


Now we are starting to get somewhere here - your old router finally sees some life and is all setup and ready to go - well, almost.


- Connecting to the new wireless network


Let's now try connecting to the old router that you've just finished setting up. Depending on where you are in your house or office, you should see at least two wireless networks that you are able to connect to, just like you can see in the screenshot above. Connect to the newly created wireless network, in our case it's called "Bedroom (3rd floor)".


Using old router as a DIY wireless Access Point


Once you first connect, nothing will happen and it will assign you an IP address of something along the lines of 169.x.x.x. You won't be able to access the LAN or Internet yet, but don't worry - read on.


- Setting a manual LAN IP address


What we need to do now is setup a manually configured LAN IP address, as you will remember, we disabled the DHCP server of the old router. Go to the properties of your network connection, click Properties, Internet Protocol Version 4 and then click Properties again. Now you need to select "Use the following IP address" and now you are able to enter in your manually selected IP address.


Using old router as a DIY wireless Access Point


Previously in this guide you set a local IP address for your old router, we used If this is the first device connecting to the old router, you should use an IP address of anything above that such as Other devices wanting to connect should use, and so on.


Listen up here... the last number cannot go above 256 OR wherever the DHCP IP range on the main router begins at. Our D-Link router begins its DHCP IP range at to, so don't select an IP in the range between 100 and 199, to avoid conflicts with other networked devices. Set the subnet mask as, although it should do that for you automatically, once you've entered in the IP.


Using old router as a DIY wireless Access Point


Finally, we need to enter in the default gateway and this is the IP address that provides us with the lovely Internet access, in other words, the main router which has your modem connected to it. Here you should enter in the IP address of the main router and in our case it is Also set the preferred DNS server to the same IP as your main router. Apply these settings and wait a few seconds for the network to initialize and then you should be connected and ready to go.


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