Hybrid mode was documented in a 1992 IETF Internet Draft: draft-noon-hybrid-netbios-01.txt. That draft, unfortunately, has expired.

It is interesting to note that the draft was not submitted by anyone from Microsoft. Microsoft does, however, reference it in [MS-NBTE].


Send annotations that you are willing and permitted to freely share to
Please let me know if I may give you credit by using your name when posting the note.
   $Id: note.,v 1.2 2010-12-02 02:18:44 crh Exp $