Information About Soft Reload
The Soft Reload feature provides a best effort mechanism for the switch to be gracefully brought up with minimal impact to production traffic when a process crash occurs. You can also use the soft-reload command to trigger a manual soft reload of the switch. After a successful soft reload, we mandatorily recommend performing a normal switch reload as there may be some mismatch between the hardware and software configurations after the soft reload. The normal switch reload can also be performed during the next maintenance window.
We also recommend not making any changes to the configuration until a normal switch reload is done after a soft reload. During a normal switch reload, the switch is reloaded with the copy running-config startup-config command ensuring that all configurations are restored without any mismatch between hardware and software configurations. By default, Soft Reload is disabled.
Soft Reload Debugging
Syslogs are generated during various stages of a soft reload indicating the current health of a switch. The following syslogs can be used for debugging Soft Reload:
Syslog |
Severity |
Description |
---|---|---|
SOFTRELOAD_ATTEMPT_TRIGGERED |
ALERT |
Soft reload is triggered. |
SOFTRELOAD_ATTEMPTED_SUCCESSFUL |
ALERT |
Soft reload triggered successfully. |
SOFTRELOAD_ATTEMPTED_FAILURE |
ALERT |
Attempt for soft-reload failed. |
INSTALLER_SOFTRELOAD_BASED_KEXEC |
ALERT |
Kexec is triggered. |
INSTALLER_SOFTRELOAD_BASED_KEXEC_FAILED |
ALERT |
Kexec trigger failed. |
INSTALLER_SOFTRELOAD_INITIATED |
ALERT |
Soft reload process is initiated. |
INSTALLER_SOFTRELOAD_ABORTED |
ALERT |
Soft reload aborted due to internal failure. |
INSTALLER_SOFTRELOAD_BOOTUP_ATTEMPT |
ALERT |
Soft reload attempting bootup. |
INSTALLER_SOFTRELOAD_PROCESSING_BOOTUP |
ALERT |
Bootup attempt successful post softreload. |
INSTALLER_SOFTRELOAD_BOOTUP_IN_PROGRESS |
ALERT |
Soft reload still in progress, waiting for login to be enabled. |