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Access Points Impacted by High 2.4 GHz Airtime Usage
The insight can be accessed from the , , and context. This insight provides information about AP radios whose Wi-Fi Wi-Fi is a technology that allows electronic devices to connect to a WLAN network, mainly using the 2.4 GHz and 5 GHz radio bands. Wi-Fi can apply to products that use any 802.11 standard. channel utilization deviated from the normal utilization range, as compared to other APs broadcasting in the same location, RF Radio Frequency. RF refers to the electromagnetic wave frequencies within a range of 3 kHz to 300 GHz, including the frequencies used for communications or Radar signals. band Band refers to a specified range of frequencies of electromagnetic radiation., and time of day. It is categorized under wireless quality as the connected clients experience poor Wi-Fi performance. This insight displays the following information:
Insight Summary
The insight summary provides the following details:
- —Displays the possible causes for which the APs experience higher airtime utilization in the network.
- —Displays the possible recommendation against each failure to resolve the same.
Time Series Graph
The time series graph displays the number of APs that experience high 2.4 GHz Gigahertz. airtime utilization in the network during the selected time period. You can hover your mouse on each bar graph to see the exact number of APs.
Cards
The cards vary based on the context that you access the insight from. Click one of the cards to view further details:
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Cards |
Context |
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Global |
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Global, Site |
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Global, Site, Device |
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Global, Site, Device |
Site
Lists the number of sites that experience high 2.4 GHz airtime utilization in the network. Click the arrow 
to view the pictorial graph of the sites. Click the number displayed on the card, to view a detailed description of the impacted sites:
- —Name of the site impacted by the insight and link to the specific insight at the site context.
- —Time range that an AP in each site experienced high airtime utilization.
- —Number of clients impacted by the insight.
- —Number of APs impacted by the insight in each site.
- —Cause of the high 2.4 GHz airtime utilization in each site.
Access Point
Lists the number and details of APs that experience high 2.4 GHz airtime utilization in the network. Click the arrow to view the pictorial graph of the access points. Click the drop-down list to view the following:
- —Pictorial graph of the high 2.4 GHz airtime utilization percentage classified by AP models.
Click the number displayed on the card to view a detailed description of the impacted access points:
- —Name of the access points and link to the specific insight at the AP context.
- —MAC Media Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the AP and link to the specific insight at the AP context.
- —Serial number of the AP.
- —Time range of the consumed airtime in each AP.
- —Time range that the AP experienced high airtime utilization.
- —Cause of the high 2.4 GHz airtime utilization in each AP.
- —Number of clients impacted by the insight connected to each AP.
- —Average percentage of the airtime utilization in each AP.
- —Model number of each AP.
- —Version of the firmware running on each AP.
- —Name of the site where the AP resides.
Client
Lists the MAC Address, name, host name, auth ID, and the corresponding percentage of high 2.4 GHz airtime utilization of each client. Click the arrow to view the pictorial graph of the clients. Click the number displayed on the card, to view a detailed description of the impacted clients:
- —Name of the client impacted by the insight and link to the specific insight at the client context.
- —MAC address of the client and link to the specific insight at the client context.
- —Time range that the client experienced high airtime utilization.
- —Cause of the high 2.4 GHz airtime utilization for each client.
- —Name of the site where the client exists.
RF Info
Number of channels impacted by high 2.4 GHz airtime utilization. Click the arrow to view the pictorial graph of the impacted band. Click the drop-down list to view the following:
- —Chart of AP radio channels that experienced excessive AP airtime utilization. It displays the channels impacted by this issue over the selected time period, sorted by airtime utilization score, which is calculated from the severity of the utilization level and the duration of time that the channel was over utilized. Click
to expand the channel data. - —Pictorial graph of the percentage of causes for high 2.4 GHz airtime utilization in a channel.
- —Pictorial graph of the airtime utilization in each AP on a specific date and time. Click to expand the utilization data.
- —Pictorial graph of Tx Power distribution (dBm Decibel-Milliwatts. dBm is a logarithmic measurement (integer) that is typically used in place of mW to represent receive-power level. AMP normalizes all signals to dBm, so that it is easy to evaluate performance between various vendors.) for both the 2.4 GHz and 5 GHz band during the time it is transmitting signal to the client. Click to expand the power distribution data.
- —Pictorial graph of which hours of the day the network was most impacted by excessive AP airtime utilization. Click to expand the hourly data.
- —Pictorial graph of the average Signal-to-Noise Ratio of the AP in different percentiles (25th, 50th, 75th, 90th, 99th) in 2.4 GHz band and 5 GHz band. Click to expand the SNR Signal-to-Noise Ratio. SNR is used for comparing the level of a desired signal with the level of background noise. percentile data.
Click the number displayed on the card to view a detailed description of the impacted channels:
- —Number of channels that experienced excessive AP airtime utilization.
- —Time range of the consumed airtime in each client.
