Parameter

Description

Channel

Transmit channel for this radio. The available channels depend on the regulatory domain

 

(country). This parameter includes the following channel number configuration options for 20

 

MHz and 40 MHz modes:

 

none: Select this option to disable 40 MHz mode and activate 20 MHz mode for the entered

 

channel.

 

above: Entering a channel number and selecting the above radio button in the WebUI selects

 

a primary and secondary channel for 40 MHz mode. When you use this option, the number

 

entered becomes the primary channel and the secondary channel is determined by

 

increasing the primary channel number by 4. For example, if you entered 157 into the Channel

 

field and selected the above option, radios using that profile would select 157 as the primary

 

channel and 161 as the secondary channel.

 

below: Entering a channel number and selecting the below radio button in the WebUI selects

 

a primary and secondary channel for 40 MHz mode. When you use this option, the number

 

entered becomes the primary channel and the secondary channel is determined by

 

decreasing the primary channel number by 4. For example, if you entered 157 into the

 

Channel field and selected the below option, radios using that profile would select 157 as the

 

primary channel and 153 as the secondary channel.

 

If you select the spectrum monitoring checkbox on this profile page, the AP will operate as a

 

hybrid AP and scan the selected channel for spectrum analysis data.

 

 

Non 802.11 Interference

Set a value for 802.11 Interference Immunity.

Immunity

The default setting for this parameter is level 2. When performance drops due to interference

 

from non-802.11 interferers (such as DECT or Bluetooth devices), the level can be increased up to

 

level 5 for improved performance. However, increasing the level makes the AP slightly “deaf” to

 

its surroundings, causing the AP to lose a small amount of range.

 

The levels for this parameter are:

 

Level 0: no ANI adaptation.

 

Level 1: noise immunity only.

 

Level 2: noise and spur immunity.

 

Level 3: level 2 and weak OFDM immunity.

 

Level 4: level 3 and FIR immunity.

 

Level 5: disable PHY reporting.

 

NOTE: Only 802.11n-capable APs simultaneously support both the RX Sensitivity Tuning Based

 

Channel Reuse feature and a level-3 to level-5 Noise Immunity setting. Do not raise the noise

 

immunity default setting on APs that do not support 802.11n unless you first disable the Channel

 

Reuse feature.

 

 

Spectrum Monitoring

Select this option to convert APs using this radio profile to a hybrid APs that will continue to

 

serve clients as an Access Point, but will also scan and analyze spectrum analysis data for a

 

single radio channel. For more details on hybrid APs, see "Spectrum Analysis" on page 570.

 

 

Advertise 802.11d and

Enable the radio to advertise its 802.11d (Country Information) and 802.11h (Transmit Power

802.11h Capabilities

Control) capabilities. This option is disabled by default.

 

 

Basic 802.11a/802.11g Settings — Spectrum Load Balancing

 

 

Spectrum load

The Spectrum Load Balancing feature helps optimize network resources by balancing clients

balancing

across channels, regardless of whether the AP or the controller is responding to the wireless

 

clients' probe requests.

 

If enabled, the controller compares whether or not an AP has more clients than its neighboring

 

APs on other channels. If an AP’s client load is at or over a predetermined threshold as

 

compared to its immediate neighbors, or if a neighboring Dell AP on another channel does not

 

have any clients, load balancing will be enabled on that AP. This feature is disabled by default.

 

For details, see "Enabling Spectrum Load Balancing" on page 359.

 

 

Spectrum load

The spectrum load balancing mode allows you to allows control over how to balance clients.

balancing mode

Select one of the following options:

 

 

426 Access Points (APs)

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Page 426
Image 426
Dell 6.2 MHz and 40 MHz modes, Channel and 161 as the secondary channel, Primary channel and 153 as the secondary channel

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