Additional objects for docsIfCmtsMacTable entry including
the cable modem notification enable/disable and the
interval of cable modem notification sent by the CMTS for a
cable modem that the Mac interface supports. An entry in
this table exists for each ifEntry with an ifType of
docsCableMaclayer(127). Additional objects added to
determine the number of active/registered/total cable
modems on this cable mac interface since boot. Also, it
contains the object to set the Dynamic Message Integrity
Check (DMIC) which users can configure how cable modems are
handled if CMs fail the DMIC.