Kenapa ngga di Kunci aja Mac Address nya om.
Masukkan di Caller id nya

/ppp secret print detail

3 name="juragan" service=any caller-id="00:80:48:1C:90:26" password="axioo" profile=AP routes="limit-bytes-in=0 limit-bytes-out=0

kalo di aku sih bisa.
http://www.forummikrotik.com/images/...u/th_drop2.gif