PLANET WGSW-52040 - Manual (Page 199)

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Chapter 10 Commands for MTU
10.1 mtu
Command:
mtu [<mtu-value>]
no mtu
Function:
Configure the MTU size of JUMBO frame, enable the jumbo receiving/sending function. The no command restores to
the normal frame receiving function.
Parameter:
mtu-value: the MTU value of frames that can be received, in byte, ranging from <1500-16000>. The corresponding
frame size is <1518/1522-16018/16022>. Without setting is parameter, the allowed max frame size is 16018/16022.
Default:
MTU function not enabled by default.
Command Mode:
Global Mode
Usage Guide:
Set switch of both ends mtu necessarily, or mtu frame will be dropped at the switch has not be set.
Example:
Enable the mtu function of the switch.
Switch(config)#mtu