This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular@ it defines a set of managed objects for Simple Network Management Protocol (SNMP)-based management of Data-over-Cable Service Interface Specification (DOCSIS)-compliant Cable Modem Termination Systems. These managed objects facilitate protection of the cable network from misuse by subscribers. The Differentiated Services MIB (RFC 3289) provides the filtering functions needed here@ making use of classification items defined in this specification.