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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 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 [ | {begin | exclude | include} expression]
Syntax Description
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 ports operating at 10/100 Mbps; the system jumbo MTU refers to Gigabit
ports; the system routing MTU refers to routed ports.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
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 1550 bytes
Routing MTU size is 1500 bytes.
Related Commands
| begin (Optional) Display begins with the line that matches the expression.
| exclude (Optional) Display excludes lines that match the expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.1(19)EA1 This command was introduced.
Command Description
system mtu Sets the MTU size for the Fast Ethernet, Gigabit Ethernet, or routed ports.
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