Cisco Catalyst 2950 Command Reference Manual page 543

Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
Examples This example shows how to set the maximum packet size to 1528 bytes:
Switch(config)# system mtu 1528
Switch(config)# exit
This example shows the response when you try to set a switch to an out-of-range number:
Switch(config)# system mtu 2000
% Invalid input detected at '^' marker.
You can verify your settings by entering the show system mtu privileged EXEC command.
Related Commands Command
show system mtu
0L-10102-01
^
Description
Displays the maximum packet size set for the switch.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
system mtu
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