Cisco me 3400 Guida Al Software

Once the switch reloads, you can verify your settings by entering the show system mtu privileged EXEC 
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:

Switch(config)# system mtu jumbo 25000

                                   ^

% Invalid input detected at '^' marker.

These sections contain interface monitoring and maintenance information:

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. 

 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.

show interfaces [interface-id]

Display the status and configuration of all interfaces or a specific 
interface.

show interfaces interface-id status [err-disabled]

Display interface status or a list of interfaces in an error-disabled state.

show interfaces [interface-id] switchport

Display administrative and operational status of switching mode. You 
can use this command to find out if a port is in routing or in switching 
mode.

show interfaces [interface-id] description

Display the description configured on an interface or all interfaces and 
the interface status.

show ip interface [interface-id]

Display the usability status of all interfaces configured for IP routing 
or the specified interface.

show interface [interface-id] stats

Display the input and output packets by the switching path for the 
interface.