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Cisco Systems UBR904 manual What to do Next, Modem Installation and Configuration Guide

Models: UBR904

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What to do Next

For more troubleshooting tips, see the chapter “Troubleshooting the Installation” in the Cisco Cable

Modem Installation and Configuration Guide.

54Release 11.3(4)NA

Page 54

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Cisco Systems UBR904 manual What to do Next, Modem Installation and Configuration Guide

Contents

Feature Summary BenefitsTroubleshooting Tips for the Cisco uBR904 Cable Modem List of Terms Products & Ordering Cisco Products Network Management CiscoWorks PrerequisitesSupported MIBs and RFCs Cisco Product Documentation Network Management CiscoWorksCMTS to Cable Modem Network Topology CMTS to Cable Modem Network TopologyFigure 1 Sample Topology Troubleshooting Tips Understand How Basic Initialization WorksTroubleshooting Tips Figure 2 Cable Modem Initialization FlowchartCable Modem Initialization Sequences and Events Connect to the Cable ModemConnect to the Cable Modem SequenceDisplay the Cable Modem’s MAC Log File Troubleshooting Tips for the Cisco uBR904 Cable Modem Display the Cable Modem’s MAC Log FileInterpret the MAC Log File and Take Action Event 1-Wait for the Link to Come UpInterpret the MAC Log File and Take Action Event 4-Start Ranging for Power Adjustments Event 3-Obtain Upstream ParametersEvent 5-Establish IP Connectivity Event 6-Establish the Time of DayEvent 7-Establish Security Event 10-Comply with Baseline Privacy Event 8-Transfer Operational ParametersEvent 9-Perform Registration 14 Release 11.34NAUse Additional Troubleshooting Commands Event 11-Enter the Maintenance Stateshow controller cable-modem mac show controller cable-modem phy Command Referenceshow controller cable-modem show controller cable-modem bpkm show controller cable-modem des show controller cable-modem filtersSyntax Description Command Modeshow controller cable-modem Usage GuidelinesRelated Commands 18 Release 11.34NACommand Mode show controller cable-modem bpkmshow controller cable-modem number bpkm Related CommandsCommand Mode show controller cable-modem desshow controller cable-modem des Command Referenceshow controller cable-modem Related Commandsshow controller cable-modem des Command Mode show controller cable-modem filtersshow controller cable-modem filters Syntax Descriptionshow controller cable-modem show controller cable-modem bpkm show controller cable-modem desRelated Commands show controller cable-modem filtersSyntax Description show controller cable-modem lookup-tableCommand Mode Usage GuidelinesRelated Commands show controller cable-modemshow controller cable-modem lookup-table resets errorsdebug cable mac log command is entered show controller cable-modem macSample Display show controller cable-modem macuBR904# show controller cable-modem 0 mac log Sample Display 28 Release 11.34NAMaintenance ranging opportunities for this modem are Sample DisplaysThe format of the DOCSIS configuration file acquired from the TFTP server is not acceptableMessage Command ReferenceTable 2 Possible but Uncommon Cable Interface Reset Causes Continued DescriptionMessage Possible but Uncommon Cable Interface Reset Causes ContinuedSample Display DescriptionCommand Reference 32 Release 11.34NASample Display show controller cable-modem macuBR904# show controller cable-modem 0 mac state Command Reference 34 Release 11.34NAshow controller cable-modem tuner show interface cable-modem Related Commandsshow controller cable-modem show controller cable-modem macreceive show controller cable-modem physhow controller cable-modem phy receive transmit Command Modeshow controller cable-modem Related CommandsPhysical transmit registers are displayed in the following example show controller cable-modem tuner show interface cable-modemCommand Mode show controller cable-modem tunershow controller cable-modem tuner Related Commandsshow controller cable-modem tuner counters show interface cable-modemaccounting Command ModeMIB counters on the cable interface are displayed in the next example show controller cable-modem phy show controller cable-modem tunerRelated Commands show controller cable-modemdebug cable-modem bpkm debug cable-modem bridge Debug Commandsdebug cable-modem error debug cable-modem interrupts debug cable-modem mac debug cable-modem mapDebugs cable modem privacy errors no debug cable-modem bpkm errors events packetserrors debug cable-modem bpkmRelated Commands Debug Commands44 Release 11.34NA Related Commands debug cable-modem bridgeno debug cable-modem bridge Usage GuidelinesUse the the debug cable-modem for the cable interface driver. The debug cable-modem errorno debug cable-modem error Related CommandsRelated Commands debug cable-modem interruptsno debug cable-modem interrupts Usage GuidelinesRealtime MAC log display debug cable-modem macno debug cable-modem mac log verbose messages verbosedebug cable-modem mac Sample Debug Cable-Modem Mac Log OutputuBR904# debug cable-modem mac log uBR904# debug cable mac log verbose 50 Release 11.34NAuBR904# debug cable mac log debug cable mac messagesTroubleshooting Tips for the Cisco uBR904 Cable Modem debug cable-modem macRelated Commands Debug Commands52 Release 11.34NA Related Commands debug cable-modem mapno debug cable-modem map Usage GuidelinesWhat to do Next Modem Installation and Configuration GuideWhat to do Next