Dell PowerConnect W-AirWave 7.6 User Manual Page 133

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Overview of the Radio Statistics Page
The Radio Statistics page displays transmit and receive statistics about the communication quality of individual
radios. Depending on the AP, assigned group profiles, and recent activity on this radio, this data gives visibility into
recent and historical changes in the network, fetches real-time statistics from the AP’s controller, indicates actively
interfering devices (requires Dell PowerConnect W-Series AP set to Spectrum mode), and summarizes major issues.
Viewing Real-Time ARM Statistics
Dell AP Groups that have the Adaptive Radio Management (ARM) feature enabled continuously optimize each AP
to use the best channel and transmission power settings available. An AP configured with ARM will automatically
adjust to a better channel if it reaches a configured threshold for noise, MAC errors, or PHY errors; additionally, it
can attenuate transmit power and switch between radio modes as needed. For more information, refer to the ARM
chapter in the
Dell PowerConnect W-Series ArubaOS User Guide
at dell.com/support/manuals.
Complete ARM statistics from Dell PowerConnect W-Seriescontrollers can be retrieved from the Radio Statistics
page by selecting the Run a command drop-down menu and choosing button, as illustrated in Figure 82.
Figure 82: Fetch additional radio stats by running a show command
When this button is selected, a new browser window launches with the statistics in plain text. Other ARM-tracked
metrics are visible in the Radio Statistics page for Dell PowerConnect W-Series APs.
Issues Summary section
The Issues Summary section only displays when noise, client count, non-802.11 interfering devices, channel
utilization, usage, and MAC and PHY errors reach a certain threshold of concern, as described in Table 77 and
illustrated in Figure 83:
Issue Triggering Threshold
High Noise > -80
High Number of Clients > 15
High Channel Utilization > 75%
High Usage > 75% of max
Interfering Devices Detected Detected within the last 5 minutes
High MAC/Phy Errors > 1000 frames/sec
Table 77:
Issues Summary labels and thresholds
Dell PowerConnect W-AirWave 7.6 | User Guide Discovering, Adding, and Managing Devices | 121
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