This command allows configuration of the MTUs for IP users. The parameters have the following meanings :

Parameter	Default		Controls
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     1		256		The MTU for the radio port, AX.25 encapsulation

     2		256		The MTU for the RS232 port, AX.25 encapsulation

     3		236		The MTU for the Net/Rom encapsulation

     4		257		The maximum number of data bytes in a received L2 frame

     5		328		The maximum number of bytes in a received L2 frame

For more details on the IP router, consult the 'overview' document.