Access Points with Excessive Number of Channel Changes

The Access Points had excessive Channel Changes insight can be accessed from the Global, Site, and Access Points context. This insight provides information about AP radios on the network that changed channels excessively in the network. It is categorized under wireless quality as the connected clients might have to reconnect after an AP changes channel for a better network performance. This insight displays the following information:

• Insight Summary
• Time Series Graph
• Cards

Insight Summary

The insight summary provides the following details:

• Reason—Displays the possible causes for which the APs changed channels on the network.
• Recommendation—Displays the recommendation against each failure to resolve the same.
• Channel Changes—Displays the exact number and percentage of failures that occurred against each failure reason.

Time Series Graph

The time series graph displays the number of channel changes per channel for a specific AP during the selected time period. You can hover your mouse on each bar graph to see the exact number of channel changes.

Cards

The cards vary based on the context that you access the insight from. Click one of the cards to view further details:

Table 1: Cards Context

Cards	Context
Site	Global
Access Point	Global, Site
Client	Global, Site, Device
Channel	Global, Site, Device

Site

Lists the number of sites that experience excessive AP radio channel changes in the network. Click the arrow to view the pictorial graph of the Most Impacted sites. Click the number displayed on the Site card, to view a detailed description of the impacted sites:

• Site—Name of the site impacted by the insight and link to the specific insight at the site context.
• Channel Changes—Total number of channel changes in each site.
• Impacted Sessions—Number of times the insight is triggered on each site.
• Total Session—Total number of session count in each site.
• Impacted Radio—Number of radios with high airtime.
• Total Radios—Total number of radios in each site.

Access Point

Lists the number and details of APs that experience excessive AP radio channel changes in the network. Click the arrow to view the pictorial graph of the Most Impacted access points. Click the Access Point drop-down list, to view the following:

• Model—Pictorial graph of the channel changes classified by AP models.
• FW Version—Pictorial graph of channel changes classified by AP firmware versions.

Click the number displayed on the Access Point card to view a detailed description of the impacted access points:

• AP Name—Name of the access points and link to the specific insight at the AP context.
• AP MAC—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—Serial number of the AP.
• Model—Model number of each AP.
• Band—Bandwidth where each AP dwells.
• Channel Changes—Number of channel changes on each AP.
• Impacted Sessions—Number of times the insight is triggered on each AP.
• Total Sessions—Total number of session count in each AP.

Client

Lists the MAC Address, name, host name, auth ID, and the corresponding number of channel changes for each client. Click the arrow to view the pictorial graph of the Most Impacted clients. Click the number displayed on the Clients card, to view a detailed description of the impacted clients:

Client Name—Name of the client impacted by the insight and link to the specific insight at the client context.

Client MAC—MAC address of the client and link to the specific insight at the client context.

Times Impacted—Number of channels changed on each client.

Channel

Number of channel changes per channel for a specific AP during the selected time period. Click the arrow to expand the card and view the pictorial graph of the channel changes. Click the Channel drop-down list to view the following:

• Band— Pictorial graph of the channel changes based on both 2.4 GHz Gigahertz. and 5 GHz.
• Channel—Pictorial graph of the number of channel changes per channel for a specific AP during the selected time period. It shows a comparison of the channel change between the peer network and AP. Click to expand the channel data.

Click the number displayed on the Channel card to view a detailed description of the impacted channels:

• From Channel—Total number of channels.
• Changes—Number of channels that experienced excessive changes.