Cisco Systems UBR904 manual Interrupts Irqpend=0x0018, irqmask=0x00E7

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Command Reference

27pak=0x82DC904 buf=0x21D65A status=0x80 pak_size=0

28pak=0x82DC70C buf=0x21CF52 status=0x80 pak_size=0

29pak=0x82DC514 buf=0x21C84A status=0x80 pak_size=0

30pak=0x82DC31C buf=0x21C142 status=0x80 pak_size=0

31pak=0x82DC124 buf=0x21BA3A status=0xA0 pak_size=0 RX MAC message ring with 8 entries at 0x201E80

rx_head_mac = 0x201EB0 (6), rx_p_mac = 0x82D480C (6)

00pak=0x82E0DEC buf=0x22CC72 status=0x80 pak_size=0

01pak=0x82E021C buf=0x22A242 status=0x80 pak_size=0

02pak=0x82E060C buf=0x22B052 status=0x80 pak_size=0

03pak=0x82E11DC buf=0x22DA82 status=0x80 pak_size=0

04pak=0x82DFC34 buf=0x228D2A status=0x80 pak_size=0

05pak=0x82E09FC buf=0x22BE62 status=0x80 pak_size=0

06pak=0x82DEE6C buf=0x225BF2 status=0x80 pak_size=0

07pak=0x82DFA3C buf=0x228622 status=0xA0 pak_size=0 TX BD ring with 8 entries at 0x201FB8, tx_count = 0

tx_head = 0x201FB8 (0), head_txp = 0x82D4888 (0) tx_tail = 0x201FB8 (0), tail_txp = 0x82D4888 (0)

00pak=0x000000 buf=0x200000 status=0x00 pak_size=0

01pak=0x000000 buf=0x200000 status=0x00 pak_size=0

02pak=0x000000 buf=0x200000 status=0x00 pak_size=0

03pak=0x000000 buf=0x200000 status=0x00 pak_size=0

04pak=0x000000 buf=0x200000 status=0x00 pak_size=0

05pak=0x000000 buf=0x200000 status=0x00 pak_size=0

06pak=0x000000 buf=0x200000 status=0x00 pak_size=0

07pak=0x000000 buf=0x200000 status=0x20 pak_size=0 TX PD ring with 8 entries at 0x202038, tx_count = 0

tx_head_pd = 0x202038 (0) tx_tail_pd = 0x202038 (0)

00status=0x00 bd_index=0x0000 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 2E FF FF

01status=0x00 bd_index=0x0001 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 2E FF FF

02status=0x00 bd_index=0x0002 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 2E FF FF

03status=0x00 bd_index=0x0003 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 2E FF FF

04status=0x00 bd_index=0x0004 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 2E 00 00

05status=0x00 bd_index=0x0005 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 2E 00 00

06status=0x00 bd_index=0x0006 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 00 00 00

07status=0x20 bd_index=0x0007 len=0x0000 hdr_len=0x0000 ehdr: 00 00 00 00 00 00

MIB Statistics

DS fifo full = 0, Rerequests = 0

DS mac msg overruns = 0, DS data overruns = 0 Qualified maps = 0, Qualified syncs = 0

CRC fails = 0, HDR chk fails = 0 Data pdus = 0, Mac msgs = 0 Valid hdrs = 0

BCM3220 Registers: downstream dma:

ds_data_bd_base=0x001D40, ds_mac_bd_base=0x001E80 ds_data_dma_ctrl=0x98, ds_mac_dma_ctrl=0x98 ds_dma_data_index=0x0000, ds_dma_msg_index=0x0000

upstream dma:

us_bd_base=0x001FB8, us_pd_base=0x002038 us_dma_ctrl=0x00, us_dma_tx_start=0x00

global control and status: global_ctrl_status=0x00

interrupts:

irq_pend=0x0018, irq_mask=0x00E7

32Release 11.3(4)NA

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Contents Feature Summary BenefitsFeature Summary List of TermsList of Terms PrerequisitesSupported MIBs and RFCs Cmts to Cable Modem Network Topology Cmts to Cable Modem Network TopologyUnderstand How Basic Initialization Works Troubleshooting TipsUnderstand How Basic Initialization Works Troubleshooting Tips Cable Modem Initialization FlowchartConnect to the Cable Modem Display the Cable Modem’s MAC Log File UBR904# show controller cable-modem 0 mac logDisplay the Cable Modem’s MAC Log File Cmaclogresetfromdriver Interpret the MAC Log File and Take ActionEvent 1-Wait for the Link to Come Up UBR904# show controller cable-modem 0 mac ?Interpret the MAC Log File and Take Action Event 4-Start Ranging for Power Adjustments Event 3-Obtain Upstream ParametersEvent 7-Establish Security Event 5-Establish IP ConnectivityEvent 6-Establish the Time of Day Event 10-Comply with Baseline Privacy Event 8-Transfer Operational ParametersEvent 9-Perform Registration Use Additional Troubleshooting Commands Event 11-Enter the Maintenance StateUse Additional Troubleshooting Commands Command PurposeCommand Reference Command ReferenceCommand Mode Show controller cable-modemSyntax Description Usage GuidelinesRelated Commands UBR904# show controller cable-modem 0 bpkm Show controller cable-modem bpkmShow controller cable-modem bpkm Show controller cable-modem des UBR904# show controller cable-modem 0 des downstream desShow controller cable-modem des Show controller cable-modem filters DsmacdafiltersShow controller cable-modem filters Show controller cable-modem lookup-table Lookup table is displayed in the following exampleShow controller cable-modem lookup-table Errors Show controller cable-modem mac014308 528311.396 Cmacloginitialrangingminislots 014313 528315.936 CmaclogadjustrangingoffsetShow controller cable-modem mac 014259 528302.046 CmaclogdriverinitidbshutdownCmaclogwatchdogtimer CmaclogresetdhcpwatchdogexpiredUBR904# show controller cable-modem 0 mac errors CmaclogdhcpprocesskilledPossible but Uncommon Cable Interface Reset Causes UBR904# show controller cable-modem 0 mac resetsSample Displays Message DescriptionCmaclogresetprivacywatchdogexpired CmaclogresetchangeuswatchdogexpiredCmaclogresetsecuritywatchdogexpired CmaclogresetallfrequenciessearchedCmaclogresetdstunerwatchdog CmaclogresetunabletosetmibobjectInterrupts Irqpend=0x0018, irqmask=0x00E7 UBR904# show controller cable-modem 0 mac state TrueDS ID 64QAMUS ID Burst Descriptor Interval Usage CodeRanging Backoff Start D12=FFD3FFE0 Show controller cable-modem phyD11=FFD3FFAD Show controller cable-modem phy CC CC CC CC CC 0D 0D CC CC CC CC CC CC CC CC 0DShow controller cable-modem tuner Show controller cable-modem tuner Show interface cable-modem AccountingShow interface cable-modem UBR904# show int cable-modem 0 accountingARP UBR904# show int cable-modem 0 countersDebug Commands Debug CommandsDebug cable-modem bpkm Debug cable-modem bpkmBpkm UBR904# debug cable bpkmRelated Commands UBR904# debug cable-modem bridge Debug cable-modem bridgeDebug cable-modem bridge Debug cable-modem error Debug cable-modem errorSample Debug Cable-Modem Error Output UBR904# debug cable-modem interrupts Debug cable-modem interruptsDebug cable-modem interrupts Debug cable-modem mac UBR904# debug cable-modem mac log Debug cable-modem macSample Debug Cable-Modem Mac Log Output Debug cable mac messages UBR904# debug cable mac logUBR904# debug cable mac log verbose Rsvd CC 0DEhdr MAC Management Message HeaderDebug cable-modem map Debug cable-modem mapDebug cable-modem map What to do Next What to do Next
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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.

One of the key features of the UBR904 is its capability to support multiple channels for upstream and downstream communication, allowing for greater bandwidth and improved network performance. With its integrated DOCSIS (Data Over Cable Service Interface Specification) compliance, the UBR904 enables operators to leverage existing coaxial cable infrastructures to deliver data services efficiently. This makes it an ideal choice for operators looking to expand their service offerings without the need for extensive infrastructure changes.

Equipped with a powerful processor and ample memory, the UBR904 is designed for high throughput and low latency, supporting IP data services, voice services, and video on demand. It utilizes advanced modulation techniques and error correction algorithms that enhance data transmission efficiency and reliability. This results in a robust platform capable of meeting the demands of high-density areas while accommodating future growth.

The UBR904 also features flexible management capabilities. It includes support for SNMP (Simple Network Management Protocol), enabling operators to monitor and manage network performance effectively. The device can be easily configured through a graphical user interface or command-line interface, providing system administrators with the tools needed for straightforward deployment and maintenance.

In addition to its core functionalities, the UBR904 integrates security features to protect network traffic and ensure user data integrity. This includes capabilities for secure tunneling and access control lists, which enhance the security of the broadband connection.

Furthermore, the Cisco UBR904 is designed with scalability in mind. Operators can easily scale their networks by adding additional modules or interfaces as demand grows. This ensures that the UBR904 can meet the evolving needs of service providers without necessitating a complete hardware overhaul.

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.