cluster commandscluster time-service commandscluster time-service ntp commandscluster time-service ntp key commandscluster time-service ntp key commandscluster time-service ntp key createCreate an NTP symmetric authentication keycluster time-service ntp key deleteDelete an NTP symmetric authentication keycluster time-service ntp key modifyModify an NTP symmetric authentication keycluster time-service ntp key showDisplay NTP symmetric authentication keysGive documentation feedback