Display Filter Reference: DOCSIS OFDM Channel Descriptor

Protocol field name: docsis_ocd

Versions: 2.2.0 to 3.4.2

Back to Display Filter Reference

Field name Description Type Versions
docsis_ocd.ccc Configuration Change Count Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.dschid Downstream Channel ID Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.cyc_pref .1 Cylic Prefix Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.four_trans_size .0 Discrete Fourier Transform Size Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.ofdm_spec_loc .3 OFDM Spectrum Location Unsigned integer, 4 bytes 2.2.0 to 2.2.17
docsis_ocd.tlv.prim_cap_ind .6 Primary Capable Indicator Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.roll_off .2 Roll Off Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.subc_assign.index Subcarrier index Unsigned integer, 2 bytes 2.2.0 to 2.2.17
docsis_ocd.tlv.subc_assign.length Subcarrier Assignment Length Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.subc_assign.range Subcarrier index range Unsigned integer, 4 bytes 2.2.0 to 2.2.17
docsis_ocd.tlv.subc_assign.subc_type Subcarrier Type Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.subc_assign.type Assignment type Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.subc_assign.value Assignment value Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlv.time_int_depth .4 Time Interleaving Depth Unsigned integer, 1 byte 2.2.0 to 2.2.17
docsis_ocd.tlvlenbad Expert Info Label 2.2.0 to 2.2.17
docsis_ocd.unknown_tlv Unknown TLV Sequence of bytes 2.2.0 to 2.2.17
docsis_ocd.valueunknown Expert Info Label 2.2.0 to 2.2.17
Go Beyond with Riverbed Technology

Riverbed is Wireshark's primary sponsor and provides our funding. They also make great products that fully integrate with Wireshark.

I have a lot of traffic...

ANSWER: SteelCentral™ AppResponse 11
  • • Full stack analysis – from packets to pages
  • • Rich performance metrics & pre-defined insights for fast problem identification/resolution
  • • Modular, flexible solution for deeply-analyzing network & application performance
Learn More