Command Reference
26
Cisco IOS Release 12.0(3)T
show controllers cable-modem filters
To display the registers in the MAC hardware that are used for filtering received frames, use the show
controllers cable-modem filters command in privileged EXEC mode.
show controllers cable-modem number filters
Syntax Description
Command Mode
Privileged EXEC
Usage Guidelines
This command first appeared in Cisco IOS Release 11.3 NA.
Some of the filtering parameters are MAC hardware addresses, Service IDs (SIDs), and upstream
channel IDs.
Examples
MAC and SID filter information is displayed in the following example:
uBR904#
show controllers cable-modem 0 filters
downstream mac message processing:
ds_mac_da_filters:
filter_1=0010.7b43.aa01, filter_2=0000.0000.0000
filter_3=0000.0000.0000, filter_4=0000.0000.0000
ds_mac_da_filter_ctrl=0x71, ds_mac_msg_sof=0x0000
ds_mac_da_mc=01E02F00
map_parser_sids:
sid_1=0x0000, sid_2=0x0000, sid_3=0x0000, sid_4=0x0000
ds_mac_filter_ctrl=0x00, us_channel_id=0x0000
ds_pid=0x0000, mac_msg_proto_ver=FF 00
reg_rang_req_sid=0x0000
downstream data processing:
ds_data_da_filter_table:
filter_1 0010.7b43.aa01, filter_2 0000.0000.0000
filter_3 0000.0000.0000, filter_4 0000.0000.0000
ds_data_da_filter_ctrl=0x61, ds_pdu_sof=0xDEAD
ds_data_da_mc=01000000
upstream processing:
us_ctrl_status=0x04, Minislots per request=0x01
burst_maps:
map[0]=0 map[1]=0 map[2]=0 map[3]=0
bytes_per_minislot_exp=0x04
us_map_parser_minislot_adv=0x03, ticks_per_minislot=0x08, maint_xmit=0x0001
us_sid_table:
sid_1=0x0000, sid_2=0x0000, sid_3=0x0000, sid_4=0x0000
max_re_req=0x0010, rang_fifo=0x00
Table 5 briefly describes some of the fields shown in the display. For more information, see the
Broadcom documentation for the BCM3220 chip.
number
Controller number inside the cable modem.
