USG6000 series restart causes

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Possible causes of device restart:
1. The device is processing other services, and stops responding to current keyboard inputs.
2. Software bug results in device restart.
3. Hardware damage results in device breaking down or restart.

Other related questions:
USG2000&5000 series restart causes
Possible causes of device restart: 1. The device is processing other services, and stops responding to current keyboard inputs. 2. Software bug results in device restart. 3. Hardware damage results in device breaking down or restart.

Troubleshooting USG6000 series device restart
Roadmap for troubleshooting device restart: First check whether the screen does not respond to input after you run the commands, such as save. This is a zombie status. You have to wait for a while. Then check whether the hardware environment changes when the fault occurs, for example, the device falls off, the lightening strikes, the power supply voltage is unstable, or the interface card is installed and removed during power-on. Such operations result in device hardware damages. If the device restarts repeatedly, you should first check whether the BootROM or system software is upgraded. The unmatched upgrade version leads to repeated restart. If all the preceding faults are rectified, the system bug may be the cause of the restart. Troubleshooting procedure: 1. Ensure that you do not perform such operations as entering or saving the configuration, and downloading files. This is a zombie status. You have to wait for a while and the problem is automatically resolved. 2. You cannot rectify the faults, such as hardware damages or software bugs. Please contact the technical support personnel.

Why does an AP restart repeatedly or its IP address change frequently
The possible causes are: During an AP upgrade, if the AP fails to establish a connection with the FTP server or SFTP server, the CAPWAP module restarts the AP. In Layer 3 networking, if Option 43 is not configured on the DHCP server, an AP cannot obtain the AC's IP address to establish a CAPWAP tunnel with the AC. As a result, the AP restarts and obtains IP addresses repeatedly.

Device restart after the user-bind static command is executed
For S series switches excluding the S1700, in V100R006, running the user-bind static command on the S2700-SI or S3700-SI causes device restart. This issue is fixed in later versions. You can upgrade the switch to V200R001 or later version or install patch V100R006SPH022. To download the patch, click S2700 Downloads.

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