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Description:

In some scenarios it is useful to limit the bandwith of WiFi devices in the WLAN, so that it can be divided evenly to all WLAN participants. On LANCOM access points with LCOS and on a WLAN Controller it is possible to limit the bandwith via the parameters Client TX bandwith limit and Client TX bandwith limit. It should be noted, that these values are valid from the point of view of the access point. From the view of the WiFi device it's the other way around.

This article describes how to limit the bandwith for individual WiFi devices within an SSID. 

On a stand-alone access point this feature is supported as of LCOS 9.10.

On a WLAN Controller this feature is supported as of LCOS 10.40. The parameters can only be rolled out to the access points if these also use a firmware as of LCOS 10.40.



Requirements:

Stand-alone access point:


WLAN Controller scenario:


Procedure:

Stand-alone access point:

1) Open the configuration of the access point in LANconfig, go to the menu Wireless LAN → General → Logical WLAN settings and select the WLAN interface whose bandwith is to be limited for individual WiFi devices (in this example WLAN interface 1 - Network 2).

2) Change the following parameters:

  • Client TX bandwith limit: This value represents the download rate from the view of the WiFi device. Enter the desired maximum download rate for a WiFi device (in this example 1000 kbit/s).
  • Client RX bandwith limit: This value represents the upload rate from the view of the WiFi device. Enter the desired maximum upload rate for a WiFi device (in this example 500 kbit/s).

3) Repeat the steps 1) and 2) for additional access points and/or additional WLAN interfaces if needed.


WLAN Controller scenario:

1) Open the configuration of the WLAN Controller in LANconfig and go to the menu WLAN Controller → Profiles → Logical WLAN networks (SSIDs)

2) Select the logical WLAN network whose bandwith is to be limited for individual WiFi devices and click Edit (in this example the profile GUEST).

3) Change the following parameters:

  • Client TX bandwith limit: This value represents the download rate from the view of the WiFi device. Enter the desired maximum download rate for a WiFi device (in this example 1000 kbit/s).
  • Client RX bandwith limit: This value represents the upload rate from the view of the WiFi device. Enter the desired maximum upload rate for a WiFi device (in this example 500 kbit/s).