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Configuring Interfaces
Using Interface Configuration Mode
Configuring the Console Media Type
Beginning in privileged EXEC mode, follow these steps to select the RJ-45 console media type. If you configure the
RJ-45 console, USB console operation is disabled, and input always remains with the RJ-45 console.
This example disables the USB console media type and enables the RJ-45 console media type.
Switch# configure terminal
Switch(config)# line console 0
Switch(config-line)# media-type rj45
A log shows that this termination has occurred. This example shows that the console on switch reverted to RJ-45.
*Mar 1 00:25:36.860: %USB_CONSOLE-6-CONFIG_DISABLE: Console media-type USB disabled by system
configuration, media-type reverted to RJ45.
A log entry shows when a console cable is attached. If a USB console cable is connected to the switch, it is prevented
from providing input.
*Mar 1 00:34:27.498: %USB_CONSOLE-6-CONFIG_DISALLOW: Console media-type USB is disallowed by system
configuration, media-type remains RJ45.
This example reverses the previous configuration and immediately activates the USB console that is connected.
Switch# configure terminal
Switch(config)# line console 0
Switch(config-line)# no media-type rj45
Using Interface Configuration Mode
The switch supports these interface types:
Physical ports—switch ports, routed ports, UNIs, NNIs, and ENIs
VLANs—switch virtual interfaces
Port-channels—EtherChannel interfaces
You can also configure a range of interfaces (see Configuring a Range of Interfaces, page 28).
To configure a physical interface (port), specify the interface type, the module number, and the switch port number, and
enter interface configuration mode.
Command Purpose
1. configure terminal Enter global configuration mode.
2. line console 0 Configure the console. Enter line configuration mode.
3. media-type rj45 Configure the console media type to always be RJ-45. If you do not
enter this command and both types are connected, the default is
USB.
4. end Return to privileged EXEC mode.
5. show running-configuration Verify your settings.
6. copy running-config startup-config (Optional) Save your entries in the configuration file.
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