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Cabletron Systems manual Troubleshooting, 6H122-16 User’s Guide, Problem, Possible Cause

Models: 6H122-16

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Chapter 4: Troubleshooting

Table 4-3 Troubleshooting Checklist (Continued)

	Problem	Possible Cause	Recommended Action


	Port(s) goes into	The 6H122-16 detects a	1. Review network design
	standby for no	looped condition.	and delete unnecessary
	apparent reason.		loops.
			2. Call the Cabletron
			Systems Global Call
			Center if problem
			continues.

	User parameters	Mode switch (7), NVRAM	1. Reenter the lost
	(IP address,	Reset, was changed	parameters as necessary.
	Device and	sometime before either	2. Call the Cabletron
	Module name,	cycling power or pressing	2. Call the Cabletron
	Module name,	cycling power or pressing	Systems Global Call
	etc.) are lost when	the RESET button, causing	Systems Global Call
	etc.) are lost when	the RESET button, causing	Center if problem
	the 6H122-16 is	the user-entered	Center if problem
	the 6H122-16 is	the user-entered	continues.
	powered down or	parameters to reset to	continues.
	powered down or	parameters to reset to
	the front panel	factory default settings.
	RESET button is	Clear NVRAM was set
	pressed.	through Local Management.

4-6	6H122-16 User’s Guide

Image 38

Cabletron Systems manual 6H122-16 User’s Guide, 3 Troubleshooting Checklist Continued, Problem, Possible Cause

Contents

9032361-03 6H122-16 SmartSwitch 6000 Interface Module User’s Guide6H122-16 RESET 1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15X 16XPage 6H122-16 User’s Guide Only qualiﬁed personnel should install the 6H122-16FCC NOTICE CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT INDUSTRY CANADA NOTICEVCCI NOTICE 6H122-16 User’s GuideUNITED STATES GOVERNMENT RESTRICTED RIGHTS EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SOFTWARE PROGRAM LICENSE 6H122-16 User’s GuideLASER RADIATION AND CONNECTORS SAFETY INFORMATION CLASS 1 LASER TRANSCEIVERSSAFETY INFORMATION CLASS 1 LASER TRANSCEIVERS 6H122-16 User’s GuideApplication of Council Directives 89/336/EEC 73/23/EEC DECLARATION OF CONFORMITY6H122-16 User’s Guide Manufacturer’s Name Cabletron Systems, Inc6H122-16 User’s Guide TROUBLESHOOTING CONTENTSINSTALLATION CHAPTERLOCAL MANAGEMENT ContentsCHAPTER viiiContents 6H122-16 User’s GuideMODE SWITCH BANK SETTINGS ContentsSPECIFICATIONS APPENDIX A1.2 STRUCTURE OF THIS GUIDE 1.1 USING THIS GUIDECHAPTER INTRODUCTION 1.3.2 Management 1.3 OVERVIEW1.3.1 Connectivity Chapter 1 IntroductionOverview Reset Button COM Port System LED Port Status LEDs Network PortsRESET 6H122-16 User’s Guide1.3.3 Distributed Chassis Management 1.3.4 Switching Options1.3.5 Full Duplex Switched Ethernet 1.3.6 Remote Monitoring1.3.7 SmartTrunk 1.3.8 Runtime IP Address Discovery1.3.11 Broadcast Suppression 1.3.9 Port Redirect Function1.3.10 Auto-Negotiation 1.3.14 Year 2000 Compliant 1.3.13 LANVIEW Diagnostic LEDs1.3.12 Standards Compatibility Chapter 1 Introduction 1.4 DOCUMENT CONVENTIONSThe following conventions are used throughout this document 6H122-16 User’s Guide1.5 GETTING HELP 6H122-16 1.6 RELATED MANUALSThe following manuals may help to set up, control, and manage the Cabletron Systems Cabling GuideCHAPTER NETWORK REQUIREMENTS 2.1 SmartTrunkChapter 2 Network Requirements 2.2 10BASE-T NETWORK2.3 100BASE-TX NETWORK CHAPTER INSTALLATION 3.1 UNPACKING THE 6H122-163.2 INSTALLING THE 6H122-16 INTO THE 6C105 CHASSIS or componentsengages the backplane connectors Connector Chapter 3 InstallationFigure 3-1 Installing an Interface Module 6H122-16 User’s Guide3.3 CONNECTING TO THE NETWORK RX Receive LED Column Figure 3-2 6H122-16 Twisted Pair ConnectionFigure 3-4 Cable Pinouts - RJ45 Straight-Through Cable SmartSwitch RJ45 PortFigure 3-3 Cable Pinouts - RJ45 Crossover Cable must share a common6H122-16 User’s Guide 3.4 COMPLETING THE INSTALLATIONChapter 3 Installation CHAPTER TROUBLESHOOTING 4.1 USING LANVIEW6H122-16 User’s Guide Chapter 4 TroubleshootingRESET Figure 4-1 LANVIEW LEDsTable 4-1 LANVIEW LEDs Using LANVIEW6H122-16 User’s Guide ColorTable 4-1 LANVIEW LEDs Continued Chapter 4 Troubleshooting6H122-16 User’s Guide ColorTable 4-3 Troubleshooting Checklist 4.2 TROUBLESHOOTING CHECKLISTTroubleshooting Checklist ProblemProblem Chapter 4 TroubleshootingTable 4-3 Troubleshooting Checklist Continued 6H122-16 User’s Guide4.3 USING THE RESET BUTTON 6H122-16Chapter 4 Troubleshooting 6H122-16 User’s GuideCHAPTER LOCAL MANAGEMENT 5.1 OVERVIEW6H122-16 User’s Guide 5.2 LOCAL MANAGEMENT KEYBOARD CONVENTIONSChapter 5 Local Management Table 5-1 Keyboard Conventions5.3 MANAGEMENT TERMINAL SETUP 5.3.1 Console Cable ConnectionChapter 5 Local Management UTP Cable with RJ45 Connectors RJ45-to-DB9 PC Adapter to PC PC6H122-16 RESET 6H122-16 User’s GuideTable 5-2 VT Terminal Setup 5.3.2 Management Terminal Setup ParametersManagement Terminal Setup Display Setup Menu5.3.4 Connecting an Uninterruptible Power Supply 5.3.3 Telnet ConnectionsRESET Management Terminal SetupFigure 5-2 Uninterruptible Power Supply UPS Connection RESET5.4 ACCESSING LOCAL MANAGEMENT Figure 5-3 The Local Management Password Screen5.4.1 Navigating Local Management Screens Chapter 5 Local Management Figure 5-4 802.1D Switching Mode, LM Screen HierarchyFigure 5-5 802.1Q Switching Mode, LM Screen Hierarchy 5-105.4.2 Selecting Local Management Menu Screen Items 5.4.3 Exiting Local Management Screens5. Press ENTER. The Password screen displays and the session ends MODULES 5.5 THE MAIN MENU SCREENCHASSIS 5.6 CHASSIS MENU SCREEN CHASSIS CONFIGURATIONCHASSIS ENVIRONMENTAL SNMP COMMUNITY NAMESSNMP TRAPS PORT REDIRECT FUNCTION5.7 CHASSIS CONFIGURATION SCREEN Chassis Time Modiﬁable Subnet Mask ModiﬁableChassis Date Modiﬁable Screen Refresh Time Modiﬁable5.7.1 Setting the IP Address 5.7.2 Setting the Subnet Mask 5.7.3 Setting the Chassis Date5.7.4 Setting the Chassis Time 5.7.6 Setting the Screen Lockout Time 5.7.5 Entering a New Screen Refresh Time5.7.7 Setting the Operational Mode 6H122-16 User’s Guide If the 6H122-16 has been set to 802.1Q SWITCHING, refer to your Port Based VLAN User’s Guide to conﬁgure the devices for this type of operationChassis Conﬁguration Screen 5-235.8 SNMP COMMUNITY NAMES SCREEN Figure 5-11 SNMP Community Names Screen5.8.1 Establishing Community Names 5.9 SNMP TRAPS SCREEN The following explains each ﬁeld of the SNMP Traps screen 5.9.1 Conﬁguring the Trap Table Power Supply #X Status Read-Only 5.10 CHASSIS ENVIRONMENTAL SCREENChassis Power Redundancy Read-Only 5.11 PORT REDIRECT FUNCTION SCREEN Chassis Fan Status Read-OnlyDisplays which modules are currently set as source modules 5.11.1 Changing Source and Destination Ports 3. Use the arrow keys to highlight the Source Port field 5.12 MODULE SELECTION SCREEN SLOT # Selectable5.12.1 Selecting a Module 5.13 MODULE MENU SCREEN MODULE CONFIGURATIONNETWORK TOOLS 5.14 MODULE CONFIGURATION MENU SCREENMODULE STATISTICS GENERAL CONFIGURATION Figure 5-17 Module Conﬁguration Menu ScreenThe SmartTrunk Conﬁguration screen allows the user to logically group interfaces together to create a greater bandwidth uplink. Refer to the Cabletron Systems SmartTrunk User’s Guide for additional information 5.15 GENERAL CONFIGURATION SCREEN Page Page Section 5.15.10 describes how to set the Management Mode 5.15.1 Setting the IP Address IP Fragmentation Toggle5.15.2 Setting the Subnet Mask Figure 5-19 Conﬁguration Warning Screen5.15.3 Setting the Default Gateway 5.15.4 Setting the TFTP Gateway IP Address 5.15.5 Setting the Module Date5.15.6 Setting the Module Time 5.15.8 Setting the Screen Lockout Time 5.15.7 Entering a New Screen Refresh TimeChapter 5 Local Management 5.15.9 Setting the Operational Mode802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST VLAN 5-506H122-16 User’s Guide Upon saving the new operational mode, the module will rebootGeneral Conﬁguration Screen 5-515.15.10 Setting the Management Mode General Conﬁguration Screen 5.15.11 Conﬁguring the COM PortSection 5.15.1 , Setting the IP Address . Read this entire 6H122-16 User’s Guide3. Use the arrow keys to highlight YES. Press ENTER 5.15.12 Changing the Com Port Application 5.15.13 Clearing NVRAM 5.15.14 Enabling/Disabling IP Fragmentation 5.16 SNMP COMMUNITY NAMES SCREENFigure 5-25 SNMP Community Names Screen access to security-protected ﬁelds of read-writeaccess to the 6H122-16 MIB objects, excluding 5.16.1 Establishing Community Names 5.17 SNMP TRAPS SCREEN Figure 5-26 SNMP Traps Screen5.17.1 Conﬁguring the Trap Table 5.18 SWITCH CONFIGURATION SCREEN Figure 5-27 Switch Conﬁguration ScreenThe following describe each ﬁeld of the Switch Conﬁguration screen 5.18.1 Setting the STA 5.18.2 Setting the Age Time 5.18.3 Setting Enabling or Disabling the Port Status5-66 5.19 ETHERNET INTERFACE CONFIGURATIONChapter 5 Local Management 6H122-16 User’s GuideDisplays the number of the front panel interface 5.19.2 Setting the Operational Mode 5.19.1 Conﬁguring the Ports5.19.3 Setting the Advertised Ability 5.19.4 Setting the Flow Control Admin Status5.20 MODULE SPECIFIC CONFIGURATION MENU SCREEN SYSTEM RESOURCES Figure 5-29 Module Speciﬁc Conﬁguration Screen5.21 SYSTEM RESOURCES SCREEN The following brieﬂy explains each ﬁeld of the System Resources screen 5.21.1 Setting the Reset Peak Utilization 5.22 FLASH DOWNLOAD SCREENThe following brieﬂy explains each ﬁeld of the Flash Download screen Download Method Selectable5.22.1 Image File Download Using TFTP 5.22.2 Image File Download Using RUNTIME 5.22.3 Image File Download Using BootP 5.23 PORT REDIRECT FUNCTION SCREEN Figure 5-32 Port Redirect Function Screen 5.23.1 Changing Source and Destination Ports 5.24 BROADCAST SUPPRESSION SCREEN Total RX Read-Only Broadcast Suppression ScreenPORT # Read-only Peak Rate Read-OnlyReset Peak Toggle 5.24.1 Setting the Threshold5.24.2 Setting the Reset Peak Switch Time Since Peak Read-Only6H122-16 User’s Guide 5.25 MODULE STATISTICS MENU SCREENModule Statistics Menu Screen 5-85The Module Statistics Menu screen displays the following menu items 5.26 SWITCH STATISTICS SCREEN Figure 5-35 Switch Statistics Screen5.26.1 Using the Clear Counters Command 5.27 INTERFACE STATISTICS SCREEN Interface Read-onlyInOctets Read-only InErrors Read-onlyName Read-only InUnicast Read-onlyOutNonUnicast Read-only OutErrors Read-onlyAdmin Status Read-only OutDiscards Read-only5.27.2 Using the Clear Counters Command 5.27.1 Displaying Interface Statistics5.28 RMON STATISTICS SCREEN RMON Index Read-onlyThis ﬁeld displays the name of the entity that conﬁgured this entry The total number of undersized frames with a bad CRC 128 - 255 Octets Read-only Index nn CommandCLEAR COUNTERS Command 256 - 511 Octets Read-only5.28.2 Using the Clear Counters Command 5.28.1 Displaying RMON StatisticsUse lower case when entering commands in Network Tools 5.29 NETWORK TOOLSType help at the prompt to list all the commands that are Description commandSyntax OptionsSyntax 5.29.1 Built-in Commandsarp options OptionsDescription ExampleSyntax OptionsOptions SyntaxDescription ExampleDescription ExampleSyntax OptionsOptions SyntaxresetNot Applicable ExampleSyntax not reached, the command displays all next-hopExample DescriptionSyntax OptionsExample DescriptionSyntax 5.29.2 Special Commandslinktrap Description6H122-16 User’s Guide Chapter 5 Local Management5-108 A.2 PHYSICAL PROPERTIES APPENDIX A SPECIFICATIONSA.1 DEVICE SPECIFICATIONS A.3 ENVIRONMENTAL REQUIREMENTSREGULATORY COMPLIANCE A.4 INPUT/OUTPUT PORTSA.5 COM PORT PINOUT ASSIGNMENTS B.1 REQUIRED TOOLS APPENDIX B MODE SWITCH BANK SETTINGSB.2 SETTING THE MODE SWITCH Switch deﬁnitions and positions are as follows Switch 7 - Clear NVRAM. Changing the position of this switch resets NVRAM on the next power up. ALL user entered parameters, such as IP addresses, subnet masks, SNMP traps, and switching functions are restored to their factory default settings Appendix B Mode Switch Bank Settings 6H122-16 User’s Guide6H122-16 User’s Guide INDEXNumerics Index-1Page Index-3 Index6H122-16 User’s Guide 6H122-16 User’s Guide IndexIndex-4