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You can run this command to check the cause of the STA login failure.

Run the display station online-fail-record sta-mac xxxx-xxxx-xxxx command on the AC to check the cause of the STA login failure. You can use different troubleshooting methods based on the fault symptom. If the STA cannot connect to the wireless network on a new WLAN, check the AC configuration. If the terminal is disconnected during the connection, check the logs. Check whether the terminal is disconnected during the connection. Run the display station online-fail-record sta-mac xxxx-xxxx-xxxx command on the AC to check the cause of the failure.Ĭheck AC configurations, such as VLAN and VAP profile configurations.Ĭheck whether the MAC address of the terminal is added to the AC blocklist.Ĭheck the AP channel usage and wireless environment.Ĭheck the number of terminals connected to the AP.Ĭheck whether the terminal model is too old.Ĭheck the Logbuffer and Trapbuffer logs to determine whether the cause of terminal disconnection exists.Ĭheck whether the terminal is disconnected or cannot be connected to the wireless network. If the preceding fault occurs, it indicates that the terminal fails to connect to the wireless network.Ĭheck whether the terminal is disconnected from the wireless network or cannot be connected to the wireless network. The terminal fails to connect to the wireless network or fails to obtain an IP address because the terminal keeps turning around when connecting to the wireless network, and a message is displayed indicating that the connection fails or an IP address of .x is obtained. Today, we will talk about how to handle the failure to obtain an IP address or the failure to connect to the wireless network when a PC or mobile phone is connected to the wireless network. We have talked about how to handle the AP online failure.