Cisco Cisco Content Security Management Appliance M160 사용자 가이드
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AsyncOS 8.3.5 for Cisco Content Security Management User Guide
Chapter 14 Common Administrative Tasks
Performing Maintenance Tasks Using CLI Commands
Shutting down an appliance exits AsyncOS, which allows you to safely power down the appliance. You
may restart the appliance at a later time without losing any messages in the delivery queue. You must
enter a delay for the appliance to shut down. The default delay is 30 seconds. AsyncOS allows open
connections to complete during the delay, after which it forcefully closes open connections.
may restart the appliance at a later time without losing any messages in the delivery queue. You must
enter a delay for the appliance to shut down. The default delay is 30 seconds. AsyncOS allows open
connections to complete during the delay, after which it forcefully closes open connections.
Rebooting the Security Management Appliance
To reboot your Security Management appliance, use the Shutdown/Reboot page available on the System
Administration menu in the GUI, or use the r
Administration menu in the GUI, or use the r
eboot
command in the CLI.
Rebooting your appliance restarts AsyncOS, which allows you to safely power down and reboot the
appliance. You must enter a delay for the appliance to shut down. The default delay is 30 seconds.
AsyncOS allows open connections to complete during the delay, after which it forcefully closes open
connections. You may restart the appliance without losing any messages in the delivery queue.
appliance. You must enter a delay for the appliance to shut down. The default delay is 30 seconds.
AsyncOS allows open connections to complete during the delay, after which it forcefully closes open
connections. You may restart the appliance without losing any messages in the delivery queue.
Placing the Security Management Appliance into a Maintenance State
If you want to perform system maintenance, place the Security Management appliance into the offline
state. The s
state. The s
uspend
and o
ffline
commands put AsyncOS into offline state. The offline state is
characterized by the following:
•
Inbound email connections are not accepted.
•
Outbound email delivery is halted.
•
Log transfers are halted.
•
The CLI remains accessible.
You must enter a delay for the appliance to enter the offline state. The default delay is 30 seconds.
AsyncOS allows open connections to complete during the delay, after which it forcefully closes open
connections. If there are no open connections, the offline state commences immediately.
AsyncOS allows open connections to complete during the delay, after which it forcefully closes open
connections. If there are no open connections, the offline state commences immediately.
Note
The difference between the suspend command and the offline command is that the suspend command
retains its state even after the machine is rebooted. If you issue the suspend command and reboot the
appliance, you must use the resume command to return the system to an online state.
retains its state even after the machine is rebooted. If you issue the suspend command and reboot the
appliance, you must use the resume command to return the system to an online state.
See also:
•
“Suspending Email Delivery,” “Resuming Email Delivery,” “Suspending Receiving,” and
“Resuming Receiving” in the documentation or online help for your Email Security appliance.
“Resuming Receiving” in the documentation or online help for your Email Security appliance.
The suspend and offline Commands
mail3.example.com> suspend
Enter the number of seconds to wait before abruptly closing connections.
[30]> 45
Waiting for listeners to exit...
Receiving suspended.
Waiting for outgoing deliveries to finish...
Mail delivery suspended.
mail3.example.com> offline