FAQ - General

How to set a fixed IP address on an O2 Wireless Box III router.

If you have a computer which is a server on your network, you will want to have it as a "fixed ip". This is because other parts of the network may refer to that computer by its network IP address.  To configure the computer to use a fixed IP, follow this tutorial.


  • First, go to your router's configuration page by opening your browser and going to the following IP address:
  • Now log in. IF you do not know your login information call O2 for help on 0800 230 0202
  • On the navigation menu on the left hand side click "Home Network" then "Devices", then "Configure" at the top right of the screen.


  • You will see a list of all the computers connected to your network. Find the one that represents your server (either by IP address or computer name - see end of post on how to find out your IP and computer name)


Local network devices


  • On the next page make sure the checkbox for "Always use the same IP address" is ticked and click apply.


infinite lease


And you're all set-up, you'll notice that the lease is now listed as infinite where it says "DHCP Lease Time".



To find your IP address, do the following:

  • Click Start
  • Click Run
  • Type "cmd" and press enter
  • Type "ipconfig" and press enter
  • Look for your connection and find it's relevant IP address


To find your compouter name do the following:

  • Click Start
  • Right click "My Computer"
  • Click Properties
  • Click the "Computer Name" tab


C:Documents and SettingsAdministratorMy DocumentsMaxo2 wireless box iii and sbs 2003 non-connectivity on web

Since you're configuring your wireless network our recent blog post:

may well be of interest and worth a click!

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This FAQ was last updated on Wednesday, September 30, 2015

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