update: I bought this:
aue0 at uhub2 port 1 "ADMtek USB To LAN Converter" rev 1.10/2.01 addr 2
aue0: address 00:60:6e:00:05:d2
ukphy1 at aue0 phy 1: Generic IEEE 802.3u media interface, rev. 1: OUI 0x000749, model 0x0001
and is ok in OpenBSD and FreeBSD (7.1)
just must test altq and real world scenario. (just got it)
none