How to Restrict Bandwidth in a Cisco Linksys Wireless Router

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Limit Bandwidth

Limit Bandwidth on your Linksys router can help prevent a single computer or device from bogging down your Wi-Fi network during periods of heavy use. The method for limit bandwidth entails assigning a priority level to each computer or other device such as a gaming console or mobile device. When two devices attempt to access the router at the same time, the device with the higher priority gets more bandwidth. You can also limit bandwidth for all devices to prevent slowdowns during large file uploads.

Before you begin, make sure to take note of the following important information:

  • Should you choose to set the QoS to Enabled, you will risk reducing the Internet speed of other computers that are connected to the same network.
  • Your devices should first be connected to the Internet and that your wireless router has been setup properly.  For instructions in installing a Linksys router, click here.

NOTE:  The Linksys Wireless-N Router allows you to set up QoS.  If you have the latest Linksys Smart Wi-Fi Routers, the QoS counterpart in the setup page is called Media Prioritization.  To know more about this tool, click here.

This article will guide you on how to set up QoS and limit bandwidth on a Linksys Wireless-N Router.  To do this, follow the steps below:

Step 1:
Using a computer that is hardwired to the Linksys router, access the web-based setup page.  To learn how, click here.  If you are using a Mac® computer to access the router’s web-based setup page, click here.Step 2:
Click on the Applications and Gaming tab then select QoS from the sub-tabs.

limit bandwidth step 1NOTE:  Wi-Fi Multimedia (WMM) Support is a wireless QoS feature that improves quality for audio, video, and voice applications by prioritizing wireless traffic.  It is Enabled by default.Under the No Acknowledgement section, select Enabled if you do not want your router to resend data whenever an error occurs.

Step 3:
On the Internet Access Policy Priority field, select Enabled.

NOTE:  You can set the Upstream Bandwidth to Auto or Manual.  Auto will set the upstream bandwidth to 512 Kbps.  Manual will accept values from 128 to 122880 Kbps or 1 to 512 Mbps.

To allow your router to detect the maximum level, keep the default Auto.  To specify, select Manual then enter the appropriate bandwidth and select Kbps or Mbps.

kb23428-002_en_v5Step 4:
Click on the drop-down arrow to select the appropriate Category based on how you want to set up priority. In my case I choose MAC address to limit bandwidth on a specific device. Create a name to easily identify the device and enter its MAC Address then select the desired level of priority.NOTE:  You can find Specific device’s MAC Address from Setup>Basic Setup > DHCP Reservation Link
kb23428-003_en_v5Step 5:
Click kb23428-004_en_v5 to save your changes.NOTE:  The settings you made would appear right away in the Summary field below.
kb23428-005_en_v5Step 6:
Click kb23428-006_en_v5.

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