Nothing.

Help says the command format is

interface <hardware_id> [<hw_speed> [<shutdown>]]

<hardware_id> is "ethernet0", since I dont' get any error up to that point.
<hw_speed> is not "100" since that gets not accepted. I don't know where the DUPLEX setting would fit.
_________________________
= Taym =
MK2a #040103216 * 100Gb *All/Colors* Radio * 3.0a11 * Hijack = taympeg