Clients had excessive 802.1x authentication failures
The insight can be accessed from the , , , and context. This insight provides information on excessive 802.1X802.1X is an IEEE standard for port-based network access control designed to enhance 802.11 WLAN security. 802.1X provides an authentication framework that allows a user to be authenticated by a central authority. authentication failures observed in the network. It is categorized under connectivity since the users are unable to connect to the WiFi network. This insight displays the following information:
Insight Summary
The insight summary provides the following details:
—Displays the possible causes for which the failure occurred.
—Displays the possible recommendation against each failure to resolve the same.
—Displays the exact number and percentage of failures that occurred against each failure reason.
Time Series Graph
This bar graph displays the number of 802.1X authentication failures observed in the network during the selected time period. Hover your mouse over each bar graph to see the exact number of failures. The following graph shows data trend for 3 hours in a day.
Figure 1 802.1x Authentication Failure Data
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, Device, Client |
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Global, Site, Client |
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Global, Site, Device |
Site
Lists the number of sites that experienced 802.1X authentication failures in the network. Click the arrow 
to view a pictorial graph with the impacted 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.
—Number and percentage of failures occurred in each site.
—Total number of 802.1X authentication in each site.
Server
Lists the number of servers that failed 802.1X authentication in the network. Click the arrow to view the pictorial graph of the impacted sites. Click the number displayed on the card, to view a detailed description of the impacted servers:
—IP address of each server.
—Number of 802.1X authentication failures in each server.
—Total number of 802.1X authentication.
Access Point
Lists the number and the details of APs that failed 802.1X authentication in the network. Click the arrow to view a pictorial graph of the impacted access points. Click the drop-down list to view the following:
—Pictorial graph of the percentage of 802.1X authentication failures sorted by SSIDsService Set Identifier. SSID is a name given to a WLAN and is used by the client to access a WLAN network..
—Pictorial graph of the percentage of 802.1X authentication failures sorted by AP models.
—Pictorial graph of the percentage of 802.1X authentication failures sorted by AP firmware version.
Click the number displayed on the card, to view the detailed description of the impacted access points:
—Name of the access points and link to the page.
—MACMedia Access Control. A MAC address is a unique identifier assigned to network interfaces for communications on a network. address of the AP.
—Number and percentage of failures occurred in each AP.
—Total number of failures in each AP.
—Serial number of the AP.
—IP address of the 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, and auth ID of clients that failed 802.1X authentication. Click the arrow to view the pictorial graph of the impacted clients. Click the number displayed on the card, to view a detailed description of the impacted clients:
—Name of the impacted client.
—MAC address of the client.
—Number and percentage of failures occurred in each client.
—Total number of failures in each client.
—IP address of the client.
—OS type of the device.
