Chapter 11
| Interface Commands
Interface Configuration
– 356 –
Related Commands
capabilities (351)
speed-duplex (356)
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 re-enable 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 1/5
Console(config-if)#shutdown
Console(config-if)#
speed-duplex
This command configures the speed and duplex mode of a given interface when
auto-negotiation is disabled. Use the
no
form to restore the default.
Syntax
speed-duplex
{
100full
|
100half
|
10full
|
10half
}
no speed-duplex
100full
- Forces 100 Mbps full-duplex operation
100half
- Forces 100 Mbps half-duplex operation
10full
- Forces 10 Mbps full-duplex operation
10half
- Forces 10 Mbps half-duplex operation
Default Setting
â—†
Auto-negotiation is enabled by default.
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