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Cisco Systems UBR900 MAC and SID filter information is displayed in the following example:

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show controllers cable-modem filters

82 Cisco IOS Release 12.0(7)T

Examples

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

uBR924# 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

Table9 briefly describes some of the fields shown in the display. For more information, see the Broadcom documentation for the BCM3300 chip.

Table9 show controllers cable-modem filters Field Descriptions

Field Description

ds_mac_da_filters Shows the MAC address of the cable interface and the MAC address of any Ethernet

MAC it is bridging.

ds_mac_da_filter_ctrl Downstream MAC filter control for data.

ds_mac_msg_sof Downstream MAC message start of frame.

ds_mac_da_mc Downstream MAC control filter for data.

map_parser_sids Service IDs used for upstream bandwidth allocation.

ds_mac_filter_ctrl Downstream MAC filter control for MAC messages.

us_channel_id Upstream channel ID.

ds_pid Downstream packet ID

mac_msg_proto_ver Version of the MAC management protocol in use.

reg_rang_req_sid Service ID (SID) field of the ranging request message.

ds_data_da_filter_table Downstream data processing filter table.

ds_data_da_filter_ctrl Downstream data processing filter control.

ds_pdu_sof Downstream PDU start of frame.

ds_data_da_mc Downstream data processing MAC control.

us_ctrl_status Upstream control status.

Contents

Main Configuring the Cisco uBR900 Series Cable Access Routers Feature Overview Cisco IOS Software Feature Sets Base IP Bridging Home Office (Easy IP) Small Office Tel e c o m mu t e r Data Operations Operating Modes Data Specifications Service Assignments Downstream and Upstream Data Transfer Bridging Applications Routing Applications Layer 2 Tunneling Protocol Easy IP Dynamic Host Configuration Protocol (DHCP) Server Network Address Translation and Port Address Translation (NAT/PAT) Voice Over IP Operations Page H.323 Protocol Stack SGCP Protocol Stack Voice Specifications Backup POTS Connection Security Features DOCSIS Baseline Privacy IPSec Network Security Triple Data Encryption Standard Page Configuration Options Initial Power-On Sequence Page Page Basic Troubleshooting Feature Overview 24 Cisco IOS Release 12.0(7)T Basic Troubleshooting Configuring the Cisco uBR900 Series Cable Access Routers 25 Page Event 3Obtain Upstream Parameters Event 4Start Ranging for Power Adjustments Event 5Establish IP Connectivity Event 6Establish the Time of Day Event 7Establish Security Event 8Transfer Operational Parameters Event 9Perform Registration Event 10Comply with Baseline Privacy Event 11Enter the Maintenance State Benefits Restrictions Related Features and Technologies Related Documents Supported Platforms Prerequisites Supported MIBs and RFCs Page Page Configuration Tasks Configuring a Host Name and Password Verifying the Host Name and Password Configuration, Verification, and Troubleshooting Tips Configuring Ethernet and Cable Access Router Interfaces Verifying IP Address Configuration Configuration, Verification, and Troubleshooting Tips Configuring Routing Configuring Routing 40 Cisco IOS Release 12.0(7)T Verifying Routing Configuring Bridging Configuring Bridging Step Command Purpose 42 Cisco IOS Release 12.0(7)T Verifying Bridging terminals you want to configure. Reestablishing DOCSIS-Compliant Bridging Verifying DOCSIS-Compliant Bridging Customizing the Cable Access Router Interface Using Multiple PCs with the Cable Access Router Configuration Examples Basic Internet Access Bridging Configuration Basic Internet Access Routing Configuration Configuring the Cisco uBR900 Series Cable Access Routers 47 Basic Internet Access Routing Configuration Note To configure the Cisco uBR900 series to act as a router, the no cable-modem compliant Multicast-Enabled Routing Configuration VoIP Bridging Configuration Using H.323v2 Configuring the Cisco uBR900 Series Cable Access Routers 49 VoIP Bridging Configuration Using H.323v2 VoIP Routing Configuration Using H.323v2 NAT/PAT Configuration Configuring the Cisco uBR900 Series Cable Access Routers 51 NAT/PAT Configuration VoIP Bridging Configuration Using SGCP To configure this application via DHCP, the following fields must also be set: IPSec Configuration IPSec Configuration Note Encryption/decryption is subject to export licensing controls. To support IPSec, the Note Careful address assignment on user equipment and policy routing at the headend is required. 54 Cisco IOS Release 12.0(7)T L2TP Configuration Note Encryption/decryption is subject to export licensing controls. To support L2TP and Firewall, Note Careful address assignment on user equipment and policy routing at the headend is required. L2TP Configuration Configuring the Cisco uBR900 Series Cable Access Routers 55 Command Reference cable-modem compliant bridge Page cable-modem downstream saved channel Page cable-modem fast-search Page cable-modem upstream preamble qpsk Page cable-modem voip best-effort Page interface cable-modem Page show bridge cable-modem Page show controllers cable-modem show controllers cable-modem 72 Cisco IOS Release 12.0(7)T Following is sample output for the show controllers cable-modem 0 command: Page Page Page Page show controllers cable-modem bpkm Page show controllers cable-modem des Configuring the Cisco uBR900 Series Cable Access Routers 79 show controllers cable-modem des No default behavior or values. Privileged EXEC DES engine registers are displayed in the following example: number Controller number inside the Cisco uBR900 series. Page show controllers cable-modem filters MAC and SID filter information is displayed in the following example: Page show controllers cable-modem lookup-table show controllers cable-modem lookup-table Configuring the Cisco uBR900 Series Cable Access Routers 85 The mini-slot lookup table is displayed in the following example: show controllers cable-modem lookup-table 86 Cisco IOS Release 12.0(7)T Page show controllers cable-modem mac Example 1 If the DHCP server cannot not be reached, the error will look like this in the MAC log: The fields in this display are explained in the section Basic Troubleshooting on page23. Example 2 MAC error log information is displayed in the following example, which is also reported via SNMP: Example 3 Page Page Example 4 Page Page Example 5 Page Table12 describes the fields shown in the display. Page Page Page show controllers cable-modem phy show controllers cable-modem phy 104 Cisco IOS Release 12.0(7)T Physical transmit registers are displayed in the following example: Page show controllers cable-modem tuner Page show dhcp Following is sample output for the show dhcp server command: Table15 describes the significant fields shown in the display. Page show interfaces cable-modem Traffic passing through the cable access router interface is shown in the following example: Table16 describes the significant fields shown in the display. Page Page Table17 describes the fields shown in this display. Table18 describes the counters shown in this display. MIB counters on the cable interface are displayed in the next example: Table19 describes the software MAC address filter information for the cable access router interface. Page Debug Commands debug cable-modem bpkm Page debug cable-modem bridge Page debug cable-modem error Page debug cable-modem interrupts Page debug cable-modem mac Example 1 Example 2 Example 3 Page Page Page debug cable-modem map Page Glossary