The value of tmnxCardLastBootupReason indicates the type of the last reboot/reset of the IOM card. Not all reasons exist in all software versions. hardReboot - new/different card inserted for first time softReset - user initiated soft reset powerCycle - user initiated power cycle clearCard - user initiated clear card activitySwitch - card rebooted during activity switch configChange - configuration change forced a reboot runtimeFail - card failed while running and was rebooted bootFail - card failed during boot and was rebooted unexpected - card unexpectedly rebooted issuTimeout - ISSU timeout timer expired reinserted - card was removed and reinserted issuHardReboot - card rebooted during ISSU upgrade (soft reset ineligible) ccmFail - Chassis Control Module (CCM) failed.