Configuring Atheros XR (NSM Procedure)

You can enable Atheros Communications eXtended Range (XR) technology. XR processes 802.11 signals, defined by IEEE 802.11a and 802.11g standards, so that wireless networks have fewer “ dead spots” and greater range than usual. XR processes weaker signals more effectively and allows greater coverage. XR provides increased coverage at a lower data transmission rate.

Only the first active SSID per radio can support XR. When XR is enabled, the first active SSID per radio uses the XR feature.

  1. In the NSM navigation tree, select Device Manager > Devices.
  2. Select a security device and then double-click the device on which you want to define forced timeout. The device configuration appears.
  3. In the device navigation tree, select Wireless.
  4. Configure the following settings:
    • For Select Specific Antenna, select Antenna Diversity.
    • For Channel for wireless AP radio, select Auto.
    • For Operation mode for AP, select 802.11b/g.
    • For Transmit Power, select Full.
    • For Data Rate for AP, select the best rate.
    • Select Enable SuperG . If the security device has more than one radio, make the selection for the radio you want.
    • Select XR Support. If the security device has more than one radio, make the selection for the radio you want.
    • Click OK to apply the settings.
    • In the main navigation tree, select Wireless>SSID.
  5. Select New and configure the following settings:
    • For Name, enter my-ssid.
    • For Wireless Interface, select wireless 2.
    • For Authentication/Encryption, select None.
    • Click OK to apply the settings.

For detailed information on these WLAN features, see the Concepts & Examples ScreenOS Reference Guide.

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