Cisco Systems 3560 Manual De Usuario
11-29
Catalyst 3560 Switch Software Configuration Guide
OL-8553-06
Chapter 11 Configuring Interface Characteristics
Monitoring and Maintaining the Interfaces
If you enter a value that is outside the allowed range for the specific type of interface, the value is not
accepted.
accepted.
Once the switch reloads, you can verify your settings by entering the show system mtu privileged EXEC
command.
command.
This example shows how to set the maximum packet size for a Gigabit Ethernet port to 1800 bytes:
Switch(config)# system mtu jumbo 1800
Switch(config)# exit
Switch# reload
This example shows the response when you try to set Gigabit Ethernet interfaces to an out-of-range
number:
number:
Switch(config)# system mtu jumbo 25000
^
% Invalid input detected at '^' marker.
Monitoring and Maintaining the Interfaces
These sections contain interface monitoring and maintenance information:
•
•
•
Monitoring Interface Status
Commands entered at the privileged EXEC prompt display information about the interface, including
the versions of the software and the hardware, the configuration, and statistics about the interfaces.
the versions of the software and the hardware, the configuration, and statistics about the interfaces.
lists some of these interface monitoring commands. (You can display the full list of show
commands by using the show ? command at the privileged EXEC prompt.) These commands are fully
described in the Cisco IOS Interface Command Reference, Release 12.2 from the Cisco.com page under
Documentation > Cisco IOS Software > 12.2 Mainline > Command References.
described in the Cisco IOS Interface Command Reference, Release 12.2 from the Cisco.com page under
Documentation > Cisco IOS Software > 12.2 Mainline > Command References.
Step 6
copy running-config startup-config
Save your entries in the configuration file.
Step 7
reload
Reload the operating system.
Command
Purpose
Table 11-4
Show Commands for Interfaces
Command
Purpose
show interfaces [interface-id]
(Optional) Display the status and configuration of all interfaces or a
specific interface.
specific interface.
show interfaces interface-id status [err-disabled]
(Optional) Display interface status or a list of interfaces in an
error-disabled state.
error-disabled state.
show interfaces [interface-id] switchport
(Optional) Display administrative and operational status of switching
(nonrouting) ports. You can use this command to find out if a port is
in routing or in switching mode.
(nonrouting) ports. You can use this command to find out if a port is
in routing or in switching mode.