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Catalyst 3750 Metro Switch Command Reference
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Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
show system mtu
show system mtu
Use the show system mtu privileged EXEC command to display the global maximum transmission unit
(MTU) or maximum packet size set for the switch.
show system mtu
Syntax Description This command has no arguments or keywords.
Command Modes Privileged EXEC
Command History
Usage Guidelines If you have used the system mtu or system mtu jumbo global configuration command to change the
MTU setting, the new setting does not take effect until you reset the switch.
The system MTU refers to 10/100 ports; the system jumbo MTU refers to Gigabit ports.
Examples This is an example of output from the show system mtu command:
Switch# show system mtu
System MTU size is 1500 bytes
System Jumbo MTU size is 5000 bytes
System Alternate MTU size is 2000 bytes
Routing MTU size is 1500 bytes
This is an example of output when you have defined an alternate MTU size, but not reloaded the switch:
Switch# show system mtu
System MTU size is 1500 bytes
System Jumbo MTU size is 5000 bytes
System Alternate MTU size is 1500 bytes
On next reload, System Alternate MTU will be 2000 bytes
Routing MTU size is 1500 bytes
Related Commands
Release Modification
12.1(14)AX This command was introduced.
Command Description
show interface interface-id
mtu
Displays the MTU setting on the specified interface.
system mtu Sets the MTU size for the Fast Ethernet or Gigabit Ethernet ports, or
set an alternate MTU size to be applied to specific interfaces.
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