Tell AirPort to Use a Specific Network

In my house, I am using a router that has allows me to setup a 802.11b and 802.11n network. It replaced a router that only supported 802.11G. Some of the devices on my network only support the slower network connect. However, my Macbook can use both the faster and the slower connections.

Now, the problem I run into is that the slower network connection is the one that my Airport picks first. What I need to do is figure out a way to force OS X to pick a specific network. I scratched my head on this for a few weeks but it turns out it’s really easy to do.

What you need to do is tell the AirPort interface what your preferred network is. This is done through the System Preferences.

This video should show you how to do it:

Prioritise Airport Networks in Mac OS X from Simon Thomson on Vimeo.

The first step is to open the Advanced AirPort preferences

  1. Open your System Preferences
  2. Select your Network preference
  3. Choose Airport
  4. Click the Advanced button

Then, you are presented with a list of networks. Basically, the list is all the networks you’ve ever connected to. Actually, now might be a good time to prune some of these.

Next, select your preferred network and drag it to the top of the list.

Close the preferences and now, when you need to connect to a network, it will choose your preferred one first.

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