RFC 2670 DOCSIS RF Interface MIB August 1999 2.7 dBmV .......................................................... 4 2.8 DOCSIS ........................................................ 5 2.9 Downstream .................................................... 5 2.10 Head-end ..................................................... 5 2.11 MAC Packet ................................................... 5 2.12 MCNS ......................................................... 5 2.13 Mini-slot .................................................... 5 2.14 QPSK ......................................................... 5 2.15 QAM .......................................................... 5 2.16 RF ........................................................... 5 2.17 Symbol-times ................................................. 5 2.18 Upstream ..................................................... 6 3 Overview ........................................................ 6 3.1 Structure of the MIB .......................................... 6 3.1.1 docsIfBaseObjects ........................................... 6 3.1.2 docsIfCmObjects ............................................. 7 3.1.3 docsIfCmtsObjects ........................................... 7 3.2 Relationship to the Interfaces MIB ............................ 7 3.2.1 Layering Model .............................................. 7 3.2.2 Virtual Circuits ............................................ 8 3.2.3 ifTestTable ................................................. 9 3.2.4 ifRcvAddressTable ........................................... 9 3.2.5 ifEntry ..................................................... 9 3.2.5.1 ifEntry for Downstream interfaces ......................... 9 3.2.5.1.1 ifEntry for Downstream interfaces in Cable Modem Termination Systems .......................................... 9 3.2.5.1.2 ifEntry for Downstream interfaces in Cable Modems ...... 11 3.2.5.2 ifEntry for Upstream interfaces .......................... 12 3.2.5.2.1 ifEntry for Upstream interfaces in Cable Modem Termination Systems ......................................... 12 3.2.5.2.2 ifEntry for Upstream interfaces in Cable Modems ........ 14 3.2.5.3 ifEntry for the MAC Layer ................................ 15 4 Definitions .................................................... 18 5 Acknowledgments ................................................ 69 6 References ..................................................... 69 7 Security Considerations ........................................ 70 8 Intellectual Property .......................................... 71 9 Author's Address ............................................... 71 10 Full Copyright Statement ...................................... 72 St. Johns Standard