This attribute selects the procedures to be used for the Local
Management Interface. The following are the supported procedures:
none : No Local Management Interface procedure is active.
vendorForum : Local Management Interface procedure according to
the Vendor Forum specification is active. DLCI 1023 is used for the
LMI protocol.
ansi: Local Management Interface procedure according to the
ANSI specification is active. DLCI 0 is used for the LMI protocol.
ccitt: Local Management Interface procedure according to the
CCITT specification is active. DLCI 0 is used for the LMI protocol.