HP I 1000Base-T, HSC/I 1000Base-SX manual Flowchart 5 Bridge/Gateway Loopback Test

Page 44

Troubleshooting

Diagnostic Flowcharts

	Flowchart 5: Bridge/Gateway Loopback Test
	Checks general network connections through a gateway.
Figure 4-8	Flowchart 5
		Bridge/
		Gateway
		Test

		Execute ping from a
		known good host through
		a gateway to another
		known good host

YES

Successful?

NO

Examine gatewayYES

Refer to non-HP documentation or if HP, execute ifconfig on gateway

Check routeYEStable on problem host and all hosts in path and correct if necessary

Network

Level

Tests

Network YES interface

up?

NO

Configure interface up

Repeat/

Bridge/

Gateway

Test

Configuration

Tests

42

Chapter 4

Image 44

Contents Manufacturing Part Number J5683-90002 E0602 Legal Notices Page Page Preface Page Introduction Features Product OverviewDifferences Between gelan and igelan Performance on A6794A, A6847A, and A6825AAbout this Manual List of Gigabit Ethernet ProductsProduct Description Driver Supported Systems Operating Name GelanAbout this Manual About this Manual Chapter Conﬁguring Gigabit Ethernet Link Parameters Understanding the Gigabit Ethernet ParametersGeneric Parameters Receive ﬂow control Performance Tuning ParametersSpeed Duplexity Autonegotiation Performance Tuning Parameters Name Range Default UnitsUsing the lanadmin Tool with Gigabit Ethernet $ lanadmin -Astationaddr nmid/ppaExamples Displaying ValuesOption Display Setting Values Option Setting$ lanadmin -X stats clear nmid/ppa Gigabit Ethernet Resources HP-UX Manual Reference Pages Manuals Available for Gigabit Ethernet Other Useful ManualsError Messages Logging MessagesNettl -traceoff -entity igelan Contacting Your HP Representative Lanadmin -x cardinfo nmid lanadmin -x stats drv nmid Contacting Your HP Representative Chapter Troubleshooting Troubleshooting Overview Diagnostic Flowcharts Chart Type of Test PurposeOperational Flowchart 1 Cable and LED TestFlowchart Flowchart 1 Procedures Flowchart 2 Link Level Test Flowchart 2 Procedures Flowchart 3 Network Level Tests Flowchart 3 ProceduresFlowchart 3a Flowchart 3a ARP TestFlowchart 3a Procedures Flowchart 3b ping Test Flowchart 3bFlowchart 3b Procedures Flowchart 3b Flowchart 3b Procedures Flowchart 4 Transport Level Test Flowchart 4 Procedures Flowchart 5 Bridge/Gateway Loopback Test Flowchart 5 Procedures Flowchart 6 Conﬁguration Tests Flowchart 6 Procedures Flowchart 6a ioscan and lanscan Test Flowchart 6aFlowchart 6a Procedures Flowchart 6b netfmt and lanadmin Test Flowchart 6bFlowchart 6b Procedures Flowchart 6c ifconﬁg Test Flowchart 6cFlowchart 6c Procedures Diagnostic Flowcharts Chapter Gigabit Ethernet lanadmin Display LAN Interface Status Display LAN Interface Status DisplayHP-UX 11.0 lanadmin output RFC 1213 MIB Field DescriptionRFC 1213 MIB RFC 1284 Ethernet-Like Interface Statistics Gigabit Ethernet Card Statistics Card Statistics Output Host Command Statistics Explanation of Card StatisticsField Description Driver Statistics NIC Events StatisticsExplanation of Card Statistics Appendix B Hardware Reference Information Meaning of the LEDs Table C-1 LED Description and Status for 1000Base-SXTable C-2 LED Description and Status for 1000Base-T LED Description On Steady Flashing Off ColorCabling Requirements Back-to-Back ConnectionTable C-3 Cabling Requirements for 1000Base-SX Table C-4 Cabling Requirements for 1000Base-TCard Speciﬁcations A4924A/A4925A/A4926AA4929A A6825A/A6847A Hardware Regulatory Statements FCC Statement For U.S.A CanadaEMI Statement European Community EMI Australia and New ZealandVcci Japan PCI Card Only Laser Safety Statements Laser Safety European Union Optical Transceiver OnlyLaser Safety Statements Appendix D Laser Safety Statements Appendix D Laser Safety Statements Appendix D Laser Safety Statements Appendix D Glossary NumericsGlossary Glossary