指令是 reboot 不是 reload
ironport2.lab.com> reboot
Are you sure you want to reboot?
[N]>
===========================
ironport2.lab.com> reload
WARNING !!
This command will erase customer data, reporting and log files,
erase proxy cache, reset to factory configuration (shipping mode),
including network settings and IP addresses and reboot the machine.
This command does NOT extend the feature keys.
Those must be applied separately.
WARNING !!
This command is primarily intended for Cisco IronPort Field Engineers
and may delete valuable data. Administrators should normally use
'resetconfig' instead.
Are you sure you want to continue? [y|n]
