HP PB 10 manual Basic Troubleshooting Tips, 10 or 100 Mbit/s

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Hardware Reference Information

Basic Troubleshooting Tips

Basic Troubleshooting Tips

Listed below are some tips on troubleshooting common hardware problems. Refer to this information when you are trying to identify 10/100Base-TX hardware problems.

Check the network cables. Make sure the network cable connections are secure and that the cables are not damaged. If you find any connections that are loose, or cables that are damaged, fix the problem and then see if your computer can communicate on the network

Check the LEDs. The six LEDs on the LAN card bulkhead can be used to help identify the problem. Figures 3 through 7 will help you to interpret the LED display.

Refer to the figure below to interpret the LEDs on the front of the card.

Figure B-1

LED Display for 10 or 100 Mbit/s Normal Operation

 

= LED ON

 

= LED OFF

Power

Test (On=fail;Off=pass)

RJ-45 Connector (TX)

 

100-Mbit/s Indicator

10-Mbit/s Indicator(On for 10Mbit/s)

Activity

Link Status (On=link established)

(On=Data transmitted/received)

 

10 or 100 Mbit/s

Refer to the following picture to see how the LEDs indicate a 10 or 100 Mbit/s fault condition. Note that if either the Link Status LED is OFF or

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Appendix B

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Contents Using HP-PB 10/100Base-TX/9000 Manufacturing Part Number J2760-90017 E0699Legal Notices Page Page Contents Troubleshooting 10/100Base-TX/9000 100Base-TX Resources10/100Base-TX Interface Card Statistics Hardware Reference InformationHardware Regulatory Statements Contents Installing and Configuring Introduction AnnouncementsRequired and Optional Patches Compatibility and Installation Requirements Manual Speed and Duplex Mode Configuration Lanadmin -X 10fd Etc/rc.config.d/hpBasetconfHPBaseTINTERFACENAME0=lan3 HPBaseTSPEED0=10FD 100FD autoon Autonegotiation and Autosensing Known Problems and Workarounds Known Problems and WorkaroundsWhat Manuals are Available Software Availability in Native LanguagesOverview of Installation Steps Check the 10/100Base-TX Installation Prerequisites 10/100Base-TX/9000 Card Summary Category 10/100Base-TXLoading 10/100Base-TX Software Loading 10/100Base-TX Software Access the System Card Bay Install the 10/100Base-TX Card Attach the System to the Network Configure the 10/100Base-TX Link to configure the card Attach the System to the Network Configure the 10/100Base-TX Link first configuration of the card Configure the 10/100Base-TX Link Verifying the Installation To exit the utility, enter What Happens During Card Initialization Sequence? Configuring Network Configuring Network Connectivity Using SAM Configuring Network Connectivity More /etc/hosts Deleting a Default Gateway Deleting a Default Gateway 100Base-TX Resources HP-UX Manual Reference Pages Chapter Error Messages Logging Messages To stop 100Base-TX tracing Manual Installation and Configuration Contacting Your HP Representative Contacting Your HP Representative Contacting Your HP Representative Troubleshooting 10/100Base-TX/9000 Troubleshooting 10/100Base-TX/9000 Troubleshooting Overview Troubleshooting Information Symptom Corrective ActionTroubleshooting Overview Following HP-PB 10/100Base-TX LED Matrix Diagnostic Flowcharts Flowchart DescriptionsDiagnostic Flowcharts Flowchart 1 Network Level Loopback Test Correct BIND, YP or hosts configuration . Add Flowchart 2 10/100Base-TX Connections/LED Test YesFlowchart 2 Procedures Check card installation. Reset card according toSteps D through G in Flowchart 4. If problem Dmesg command, and look for an error messageFlowchart 2a 10/100Base-TX Connections/LED Test Diagnostic Flowcharts Flowchart 3 Configuration Test Flowchart 3 Procedures Is your interface displayed? lanscan showsIs driver in kernel? If the driver has not been Reboot the system Flowchart 4 Configuration Test Flowchart 4 Procedures Reset the card according to Steps D through GCheck causes and actions on display Select LAN from Menu. Select lan from the menu toFlowchart 4A Configuration Test Flowchart 4A Procedures Flowchart 5 Configuration Test Flowchart 5 Procedures UP,BROADCAST, NOTRAILERS, RunningDiagnostic Flowcharts Flowchart 6 Network Level Loopback Test Flowchart Procedures Host entry in ARP cache? Using arp, check that anUse arp to complete entry. Using arp, enter Flowchart 7 Link Level Loopback Test FailedFlowchart 7 Procedures Diagnostic Flowcharts Flowchart 8 Transport Level Loopback Test using Arpa Flowchart 8 Procedures Execute telnet to remote host. Try to establish aFlowchart 9 Bridge/Gateway Loopback Test Flowchart 9 Procedures Gateway 10/100Base-TX Interface Card 10/100Base-TX Interface Card Statistics Field Description Network Management ID Type valueMTU Size Speed in bits per secondAdministration Status Operation StatusLast Change Inbound OctetsInbound Errors Inbound DiscardsInbound Unknown Protocols Outbound OctetsOutbound Errors Outbound Queue LengthRFC 1284 Ethernet-Like Interface Statistics Internal MAC Transmit Errors Carrier Sense ErrorsInternal MAC Receive Errors Frames Too LongCreate a Record or Map of Your Internetwork Create a Record or Map of Your Internetwork Hardware Reference Information Basic Troubleshooting Tips 10 or 100 Mbit/sAppendix B Meaning of LEDs If this LED is on It means thisConnector Information HP-PB 10/100Base-TX Card Twisted-Pair ConnectorConnector Pin Usage for 10-Mbit/s Twisted-Pair Connector Table B-1 Ieee 802.3 Type 10Base-T Standard Pins SignalConnector Pin Usage for 100-Mbit/s Twisted-Pair Pins Signal Receive +Table B-1 Ieee 802.3 Type 10Base-T Standard Cable Lengths HP-PB 10/100Base-TX Card Exchange Assembly ElectromagneticReshipment Guidelines HP-PB 10/100Base-TX Card 104 Hardware Regulatory Statements 106 FCC Statement For U.S.A CanadaVcci Japan EMI Statement European CommunityVcci Regulatory Statemen Glossary 109Ieee 802.3u-1995 network a 110111 112

PB 10 specifications

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