Setting

Description

Time

change. The supported range for this setting is 15–3600 seconds.

 

Default: 120 seconds

 

 

Minimum Scan

Minimum number of times a channel must be scanned before it is considered for assignment. The

Time

supported range for this setting is 0–2,147,483,647 scans. Dell recommends a Minimum Scan Time

 

between 1–20 scans.

 

Default: 8 scans

 

 

Load Aware

Load aware ARM preserves network resources during periods of high traffic by temporarily halting ARM

Scan Threshold

scanning if the load for the AP gets too high.

 

The Load Aware Scan Threshold is the traffic throughput level an AP must reach before it stops scanning.

 

The supported range for this setting is 0–20,000,000 bytes/second. (Specify 0 to disable this feature.)

 

Default: 1250000 Bps

 

 

Mode Aware

If enabled, ARM will turn APs into Air Monitors (AMs) if it detects higher coverage levels than necessary.

ARM

This helps avoid higher levels of interference on the WLAN. Although this setting is disabled by default,

 

you may want to enable this feature if your APs are deployed in close proximity (e.g. less than 60 feet

 

apart).

 

Mode aware ARM turns Air Monitors back into APs when they detect gaps in coverage. Note that an Air

 

Monitor will not turn back into an AP if it detects client traffic (or client traffic increases), but will change

 

to an AP only if it detects coverage holes.

 

Default: disabled

 

 

Scan Mode

By default, 802.11n-capable APs scan channels within all regulatory domains. To limit the AP scans to just

 

the regulatory domain for that AP, click the Scan Mode drop-down list and select reg-domain.

 

NOTE: This setting does not apply to APs that do not support 802.11n; these APs will scan their regulatory

 

domain only.

 

 

In the CLI

You must be in config mode to create, modify or delete an ARM profile using the CLI. Specify an existing ARM profile with the <profile-name> parameter to modify an existing ARM profile, or enter a new name to create an entirely new profile.

Configuration details and any default values for each of these parameters are described in Table 97. If you do not specify a parameter for a new profile, that profile uses the default value for that parameter. Put the no option before any parameter to remove the current value for that parameter and return it to its default setting. Enter exit to leave the ARM profile mode.

Use the following command to create or modify an ARM profile:

(host)(config) #rf arm-profile <profile> 40MHz-allowed-bands {AllNonea-onlyg-only} acceptable-coverage-index <number> active-scan (not intended for use)

assignment {disablemaintainmulti-bandsingle-band} backoff-time <seconds>

client-aware clone <profile>

error-rate-threshold <percent> error-rate-wait-time <seconds> free-channel-index <number> ideal-coverage-index <number> load-aware-scan-threshold <Mbps> max-tx-power <dBm> min-scan-time <# of scans> min-tx-power <dBm>

mode-aware multi-band-scan

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Adaptive Radio Management (ARM) 354

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Dell 6.2 manual Load Aware, Scanning if the load for the AP gets too high, Default 1250000 Bps, Mode Aware, Apart

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