How to Set Up a Wireless Subnet

Written by jedadiah casey
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How to Set Up a Wireless Subnet
Take the necessary steps to create a separate wireless subnetwork. (wlan router 02 image by pmphoto from

Wireless networks have revolutionised the computing industry, especially in the home. Households with multiple computers are now common and many of these computers have wireless capabilities built into them. Wireless networks can be configured for full, open access where anyone can connect and use the resources available. Wireless networks can also be configured for security so that a person must know the password to access the network. Creating a wireless subnet takes this a step further and isolates the wireless network from the rest of the network.

Skill level:

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Things you need

  • Wireless router

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  1. 1

    Connect the wireless router to a computer directly with an Ethernet cable.

  2. 2

    Log into the router's Web interface. Most routers use the address "" as their default.

  3. 3

    Set up any wireless settings, such as SSID and encryption standards. The Service Set Identifier (SSID) is the wireless network name that appears when a device is searching for a wireless network to connect to. Wireless encryption standards include WEP, WPA and WPAv2.

  4. 4

    Change the router's subnet. For example, enter "" instead of the default. This is so that the new wireless router does not interfere with the existing network.

  5. 5

    Disconnect the wireless router from the computer and reconnect the computer to its usual network connection.

  6. 6

    Connect the WAN port of the wireless router to the existing network. Unplug and replug the power connector to the wireless router for the new subnet to take effect.

Tips and warnings

  • With the wireless subnet in place, wireless devices connected to the router can access resources only on the wireless subnet. These devices are unable to communicate with devices on the rest of the network, though they will have Internet access.

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