HP I 1000Base-T, HSC/I 1000Base-SX manual Flowchart 3b ping Test

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Troubleshooting

Diagnostic Flowcharts

	Flowchart 3b: ping Test
	Checks communication between network layers on source and target host using
	ping(1M).
Figure 4-5	Flowchart 3b

ping Test

Execute

ping <remotehost> 2000

NO

Ensure MTUs are same on local and remote hosts by executing

lanadmin -M <new mtu> <nmid/ppa>

YES

Transport

Level

Test

				Execute
				Execute
		NO		netstat -in.		Repeat

	Successful?			Are MTUs same on
	Successful?			Are MTUs same on		ping Test
				local and remote		ping Test
				local and remote
				hosts?
					YES
					YES

	NO	Is speed		YES		Are you
	NO	1000 Mbps?		YES		Are you
		1000 Mbps?				using jumbo
		(1000Base-T only)				using jumbo
		(1000Base-T only)				frames?
						frames?
			YES
			YES

Ensure speed is 1000 Mbps on local and remote hosts

by executing lanadmin -x speed <nmid./ppa>

Repeat ping Test

NO

Validate network, remote host, and configuration settings

continued

36

Chapter 4

Image 38

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 A6825AProduct Description Driver Supported Systems Operating Name About this ManualList of Gigabit Ethernet Products 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 Field Description Driver Statistics Host Command StatisticsExplanation of Card Statistics NIC Events StatisticsExplanation of Card Statistics Appendix B Hardware Reference Information Table C-2 LED Description and Status for 1000Base-T Meaning of the LEDsTable C-1 LED Description and Status for 1000Base-SX LED Description On Steady Flashing Off ColorTable C-3 Cabling Requirements for 1000Base-SX Cabling RequirementsBack-to-Back Connection 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