Command Reference

show controller cable-modem filters

To display the registers in the MAC hardware that are used for filtering received frames, use the show controller cable-modem filters Privileged EXEC command.

show controller cable-modem filters

Syntax Description

There are no key words or arguments for this command.

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, Station IDs (SID), and upstream channel IDs.

This command is only useful for development engineers.

Sample Display

MAC and SID filter information is displayed in the following example:

uBR904# show controller 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, maint_xmit=0x0000 us_sid_table:

sid_1=0x0000, sid_2=0x0000, sid_3=0x0000, sid_4=0x0000 max_re_req=0x0010, rang_fifo=0x00

22Release 11.3(4)NA

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Cisco Systems UBR904 manual Show controller cable-modem filters, Dsmacdafilters

UBR904 specifications

The Cisco UBR904 is a versatile broadband access device designed to deliver high-speed internet and data services in various deployment scenarios, particularly suitable for cable operators and service providers. This device allows operators to provide broadband services over a wide area, utilizing advanced technologies to ensure reliability and performance.

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In summary, the Cisco UBR904 is a robust, feature-rich broadband access device that combines high performance, advanced technologies, and scalability, making it an excellent choice for operators looking to deliver high-speed internet and data services across diverse environments. Its ease of use and extensive management features further enhance its appeal, positioning it as a key player in the broadband access market.