Wireshark · Display Filter Reference: DOCSIS Downstream Channel Change Request

Field name	Description	Type	Versions
docsis_dccreq.cmts_mac_addr	CMTS Mac Address	Ethernet or other MAC address	1.0.0 to 2.2.17
docsis_dccreq.ds_chan_id	Downstream Channel ID	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.ds_freq	Frequency	Unsigned integer (32 bits)	1.0.0 to 2.2.17
docsis_dccreq.ds_intlv_depth_i	Interleaver Depth I Value	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.ds_intlv_depth_j	Interleaver Depth J Value	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.ds_mod_type	Modulation Type	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.ds_sym_rate	Symbol Rate	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.ds_sync_sub	SYNC Substitution	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.hmac_digest	HMAC-DigestNumber	Byte sequence	1.0.0 to 2.2.17
docsis_dccreq.init_tech	Initialization Technique	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.key_seq_num	Auth Key Sequence Number	Unsigned integer (8 bits)	1.0.0 to 2.2.17
docsis_dccreq.said_sub_cur	SAID Sub - Current Value	Unsigned integer (16 bits)	1.0.0 to 2.2.17
docsis_dccreq.said_sub_new	SAID Sub - New Value	Unsigned integer (16 bits)	1.0.0 to 2.2.17
docsis_dccreq.sf_sfid_cur	SF Sub - SFID Current Value	Unsigned integer (32 bits)	1.0.0 to 2.2.17
docsis_dccreq.sf_sfid_new	SF Sub - SFID New Value	Unsigned integer (32 bits)	1.0.0 to 2.2.17
docsis_dccreq.sf_sid_cur	SF Sub - SID Current Value	Unsigned integer (16 bits)	1.0.0 to 2.2.17
docsis_dccreq.sf_sid_new	SF Sub - SID New Value	Unsigned integer (16 bits)	1.0.0 to 2.2.17
docsis_dccreq.sf_unsol_grant_tref	SF Sub - Unsolicited Grant Time Reference	Unsigned integer (32 bits)	1.0.0 to 2.2.17
docsis_dccreq.tran_id	Transaction ID	Unsigned integer (16 bits)	1.0.0 to 2.2.17
docsis_dccreq.ucd_sub	UCD Substitution	Byte sequence	1.0.0 to 2.2.17
docsis_dccreq.up_chan_id	Up Channel ID	Unsigned integer (8 bits)	1.0.0 to 2.2.17