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arm

arm

80mhz-support

a-channels <a-channel>

air-time-fairness-mode {<default-access>| <fair-access>| <preferred-access>}

band-steering-mode {balance-bands|prefer-5ghz| force-5ghz| disable}

client-aware

client-match [calc-interval <seconds>| calc-threshold <threshold> | debug <level>| holdtime <number> | max-adoption <count>| max-request <count> |nb-matching <percentage> | slb-mode <mode>

g-channels

max-tx-power

min-tx-power

scanning

wide-bands {<none>| <all>| <2.4>| <5>}

no…

Description

This command assigns an Adaptive Radio Management (ARM) profile for an IAP and configures ARM features such as band steering, spectrum load balancing, airtime fairness mode, and access control features.

Syntax

Command/Parameter

Description

Range

Default

80mhz-support

Enables the use of 80 MHz channels on APs with 5GHz radios, which support a very high throughput.

NOTE: Only the APs that support 802.11ac can be configured with 80 MHz channels.

a-channels <a-channel> Configures 5 GHz channels.

air-time-fairness-mode

{<default-access>| <fair-access>| <preferred-access>}

Allows equal access to all clients on the wireless medium, regardless of client type, capability, or operating system and prevents the clients from monopolizing resources. You can configure any of the following modes:

l default-access — To provide access based on client requests. When this mode is configured, the per user and per SSID bandwidth limits are not enforced.
l fair-access — To allocate Airtime evenly across all the clients.
l preferred-access — To set a preference where 11n clients are assigned more airtime than 11a/11g. The 11a/11g clients get more airtime than 11b. The ratio is 16:4:1.

default-access,fair-access, preferred-access

default-access

band-steering-mode

{<balance-bands>|<prefer-5ghz>|<force-5ghz>| <disable>}

Assigns the dual-band capable clients to the 5 GHz band on dual-band. It reduces co-channel interference and increases available bandwidth for dual-band clients, because there are more channels on the 5 GHz band than on the 2.4 GHz band. You can configure any of the following band-steering modes:

l prefer-5ghz — To allow the IAP to steer the client to 5 GHz band (if the client is 5 GHz capable). However, the IAP allows the client connection on the 2.4 GHz band if the client persistently attempts for 2.4 GHz association.
l force-5ghz — To enforce 5 GHz band steering mode on the IAPs, so that the 5 GHz capable clients are allowed to use only the 5GHz channels.
l balance-bands — To allow the IAPs to balance the clients across the two 2.4 GHz and 5 GHz radio and to utilize the available bandwidth.
l disable — To allow the clients to select the bands.
balance-bands, prefer-5ghz, force-5ghz, disable

balance-bands

client-aware Enables the client aware feature. When enabled, the IAP will not change channels for the Access Points when clients are active, except for high priority events such as radar or excessive noise. The client aware feature must be enabled in most deployments for a stable WLAN. Enabled
client-match

Enables enable the client match feature on APs. When the client match feature is enabled on an IAP, the IAP measures the RF health of its associated clients. If spectrum load balancing is triggered and a client's Received Signal Strength Indication (RSSI) is or less than 20 dB , clients are moved from one AP to another for better performance and client experience. In the current release, the client match feature is supported only within an IAP cluster.

 

   

calc-interval<seconds>

Configures an interval at which client match is calculated.

10-600 30 seconds

calc-threshold <threshold>

Configures a threshold that takes acceptance client count difference among all the channels of Client match into account. When the client load on an AP reaches or exceeds the threshold in comparison, client match is enabled on that AP. 1-255 2

debug <level>

Displays information required for debugging client match issues.

0-4

0—none, 1— error, 2—information, 3—debug, 4—dump

0

holdtime <number>

Configures a hold time for client match. 1—1800 900

max-adoption <count>

Configure a maximum number for adopting clients. 0-100 5

max-request <count>

Configures the maximum number of requests for client match. 0-100 5

nb-matching <percentage>

Configures a percentage value to be considered in the same virtual RF neighborhood of Client match.

20-100% 75%

slb-mode <mode>

Configures a balancing strategy for client match.

1—3

1—Channel-based

2—Radio-based

3—Channel and Radio based

1
g-channels <g-channel> Configures 2.4 GHz channels.
min-tx-power <power> Sets the minimum transmission power. This indicates the minimum Effective Isotropic Radiated Power (EIRP). If the minimum transmission EIRP setting configured on an AP is not supported by the AP model, this value is reduced to the highest supported power setting. 0-127 dBm 18

max-tx-power <power>

Sets the highest transmit power levels for the AP. If the maximum transmission EIRP configured on an AP is not supported by the AP model, the value is reduced to the highest supported power setting.

NOTE: Higher power level settings may be constrained by local regulatory requirements and AP capabilities.

0-127 dBm 127
scanning Allows the IAPs to scan other channels for RF Management and Wireless Intrusion Protection System enforcement. Disabled
wide-bands {<none>| <all>| <2.4>| <5>}

Allows administrators to configure 40 MHz. channels in the 2.4 GHz and 5.0 GHz bands. 40 MHz channels are two 20 MHz adjacent channels that are bonded together. The 40 MHz channels double the frequency bandwidth available for data transmission. For high performance, enter 5GHz. If the AP density is low, enter 2.4GHz.

none, all, 2.4, and 5 5
no… Removes the current value for that parameter and return it to its default setting

Usage Guidelines

Use this command to configure ARM features on an IAP. ARM ensures low-latency roaming, consistently high performance, and maximum client compatibility in a multi-channel environment. By ensuring the fair distribution of available Wi-Fi bandwidth to mobile devices, ARM ensures that data, voice, and video applications have sufficient network resources at all times. ARM allows mixed 802.11ac, a, b, g, and n client types to inter-operate at the highest performance levels.

Example

The following example configures an ARM profile:

(Instant AP)(config)# arm

(Instant AP)(ARM)# 80mhz-support

(Instant AP)(ARM)# a-channels 44

(Instant AP)(ARM)# min-tx-power 18

(Instant AP)(ARM)# max-tx-power 127

(Instant AP)(ARM)# band-steering-mode prefer-5ghz

(Instant AP)(ARM)# air-time-fairness-mode fair-access

(Instant AP)(ARM)# scanning

(Instant AP)(ARM)# client-aware

(Instant AP)(ARM)# client-match

(Instant AP)(ARM)# wide-bands 5

(Instant AP)(ARM)# end

(Instant AP)# commit apply

Command History

Version

Description

Aruba Instant 6.3.1.1-4.0 This command is modified.

Aruba Instant 6.2.1.0-3.3

This command is introduced.

Command Information

IAP Platform

Command Mode

All platforms

Configuration and ARM configuration sub-mode.