Shutdown, Shutdown -9, Shutdown co – SMC Networks SMC TigerAccess SMC7824M/FSW User Manual
Page 549: Shutdown (24-9)

SHUTDOWN
24-9
Example
This forces the switch to use the built-in RJ-45 port for the combination
port 28.
shutdown
This command disables an interface. To restart a disabled interface, use the
no form.
Syntax
[no] shutdown
Default Setting
All interfaces are enabled.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
This command allows you to disable a port due to abnormal behavior
(e.g., excessive collisions), and then reenable it after the problem has
been resolved. You may also want to disable a port for security reasons.
Example
The following example disables port 5.
Console(config)#interface ethernet 1/28
Console(config-if)#media-type copper-forced
Console(config-if)#
Console(config)#interface ethernet 1/5
Console(config-if)#shutdown
Console(config-if)#