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Steer Clients to the 5-GHz Band

In the Juniper Mist portal, you can see which band your clients are using by clicking Clients> WiFi Clients in the menu.

Most Juniper APs support dual band radio setting, which means they can provide both 2.4 GHz and 5 GHz radio connections (see Radio Management (dual-band)). The 5-GHz radio is much faster. Therefore, if you see any clients connecting to the AP on the 2.4-GHz band, or receive user complaints that the Wi-Fi performance is bad, you should check the client device to see if it is statically configured to use the 2.4 GHz band rather than the faster 5-GHz band.

To check or change the radio band preference on Microsoft Windows clients:

  1. On the computer of the affected client, right-click the Windows start button and select Device Manager from the menu that appears.

  2. Double-click Network adapters and then in the list that appears, right-click your wireless adapter.

  3. Choose Properties and then select the Advanced tab, as shown.

    Figure 1: Have Windows Prefer the 5-GHz Band Have Windows Prefer the 5-GHz Band
  4. Select Preferred Band from the Property list and set the value to Prefer 5 GHz band.

  5. Click OK and close the various windows.

The Windows client will now connect to the AP using the faster 5-GHz band, unless it is not available.