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Cabletron Systems manual Troubleshooting, 2H23-50R/2H33-37R User’s Guide

Models: 2H23-50R 2H33-37R

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A link exists if the associated port (5 or 6) RX LED is on.

Chapter 4: Troubleshooting

NOTE

A link exists if the associated port (5 or 6) RX LED is on.

Table 4-2 10/100 LED Indications When RX LED Is On

LED	Color	Indication


10/100	Off	FE-100TX is operating at 10 Mbps.

	Green	FE-100TX is operating at 100 Mbps.

NOTE

No link exists if the associated port (5 or 6) RX LED is off.

Table 4-3 10/100 LED Indications When RX LED Is Off

LED	Color	Indication


10/100	Off	No link or no cable attached. FE-100TX
		forced to 10 Mbps operation, or is
		manually set to “auto-negotiate” mode.

	Green	No link or no cable attached. FE-100TX is
		forced to 100 Mbps operation.

4-6	2H23-50R/2H33-37R User’s Guide

Image 48

Cabletron Systems 2H33-37R, 2H23-50R manual Troubleshooting, A link exists if the associated port 5 or 6 RX LED is on

Contents

2H23-50R/2H33-37R SmartSwitch 2100 User’s Guide 9032286-04CONN CONN CONNPage Only qualiﬁed personnel should perform installation procedures FCC NOTICE2H23-50R/2H33-37R User’s Guide INDUSTRY CANADA NOTICE VCCI NOTICECABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT 2H23-50R/2H33-37R User’s GuideEXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY CABLETRON SOFTWARE PROGRAM LICENSEUNITED STATES GOVERNMENT RESTRICTED RIGHTS 2H23-50R/2H33-37R User’s GuideSAFETY INFORMATION CLASS 1 LASER TRANSCEIVERS SAFETY INFORMATION CLASS 1 LASER TRANSCEIVERSLASER RADIATION AND CONNECTORS 2H23-50R/2H33-37R User’s GuideDECLARATION OF CONFORMITY 2H23-50R/2H33-37R User’s GuideApplication of Council Directives 89/336/EEC 73/23/EEC Manufacturer’s Name Cabletron Systems, Inc2H23-50R/2H33-37R User’s Guide CONTENTS INSTALLATIONCHAPTER INTRODUCTIONContents TROUBLESHOOTINGCHAPTER CHAPTERContents 2H23-50R/2H33-37R User’s GuideSNMP Traps Screen Contents SPECIFICATIONSSPECIFICATIONS OPTIONAL INSTALLATIONS AND1.1 USING THIS GUIDE CHAPTER INTRODUCTION1.2 STRUCTURE OF THIS GUIDE 1.3 OVERVIEW Chapter 1 IntroductionThe 2H23-50R is a high speed network repeater/switch device that provides four Ethernet networks and four Fast Ethernet networks RJ21 MicroLANs, CONN 1 through CONN 4 and two slots 5 and 6 for optional Fast Ethernet Interface Modules. The RJ21 connectors each consist of 12 repeater ports that are able to reside on the Ethernet 1.3.2 Full Duplex Switched Ethernet 1.3.1 Connectivity1.3.3 Auto-Negotiation 1.3.4 SmartTrunking 1.3.5 Runtime IP Address Discovery1.3.7 Switching Options 1.3.6 Management1.3.10 LANVIEW Diagnostic LEDs 1.4 OPTIONAL FEATURES1.3.8 Standards Compatibility 1.3.9 Year 2000 Compliant1.4.1 Fast Ethernet Interface Modules 1.4.2 High Speed Interface ModulesTable 1-1 Fast Ethernet Interface Modules 1.5 DOCUMENT CONVENTIONS The following conventions are used throughout this documentDocument Conventions 2H23-50R/2H33-37R User’s Guide1.6 GETTING HELP 1.7 RELATED MANUALS Chapter 1 Introduction 1-122H23-50R/2H33-37R User’s Guide CHAPTER NETWORK REQUIREMENTS 2.1 SmartTrunk2.2 10BASE-T NETWORK 2.3 100BASE-TX NETWORK 2.4 100BASE-FX FIBER OPTIC NETWORKMultimode Fiber Optic Cable Length Single Mode Fiber Cable LengthsCHAPTER INSTALLATION 3.1 REQUIRED TOOLS3.3 INSTALLING OPTIONS 3.2 UNPACKING THE DEVICE3.4 INSTALLING THE DEVICE 3.4.1 Tabletop or Shelf InstallationGuidelines for Tabletop and Shelf Installations Installation3.4.2 Rackmount Installation Guidelines for the Rackmount InstallationRack mounting the 2H23-50R or 2H33-37R involves the following Figure 3-3 Installing the Rackmount Brackets Figure 3-4 Installing the Device in a RackRack Mounting the Device 3.4.3 Connecting Power to the Device 3.5 CONNECTING TO THE NETWORK 3.5.1 Connecting Cables to CONN 1 Through 3.5.2 Connecting a UTP Segment to the FE-100TX Figure 3-7 FE-100TX Crossover Switch Figure 3-8 Cable Pinouts - RJ45 Crossover Cable100 FE-100TX 2251-31Figure 3-9 FE100-TX Port Connection RX LED TX LED3.5.3 Connecting a Fiber Optic Segment to the FE-100FX and FE-100F3 SC Connector Figure 3-10 Fiber Optic Cable ConnectionRX LED TX LED3.6 COMPLETING THE INSTALLATION Chapter 3 Installation 3-162H23-50R/2H33-37R User’s Guide CHAPTER TROUBLESHOOTING 4.1 USING LANVIEWChapter 4 Troubleshooting Flashing indicates an LED ﬂashing randomly2H23-50R/2H33-37R User’s Guide Using LANVIEW 2H23-50R/2H33-37R User’s GuideTable 4-1 LANVIEW LEDs ColorChapter 4 Troubleshooting 2H23-50R/2H33-37R User’s GuideTable 4-1 LANVIEW LEDs Continued 4.2 FE-100TX LED 100 LED Receive RX LEDChapter 4 Troubleshooting Table 4-2 10/100 LED Indications When RX LED Is OnTable 4-3 10/100 LED Indications When RX LED Is Off A link exists if the associated port 5 or 6 RX LED is on4.3 TROUBLESHOOTING CHECKLIST Troubleshooting ChecklistTable 4-4 Troubleshooting Checklist 2H23-50R/2H33-37R User’s Guide4.4 USING THE RESET BUTTON downtime of up to two minutes will result from this actionCHAPTER LOCAL MANAGEMENT 5.1 OVERVIEW5.2 LOCAL MANAGEMENT KEYBOARD CONVENTIONS Chapter 5 Local Management2H23-50R/2H33-37R User’s Guide Table 5-1 Keyboard Conventions5.3 MANAGEMENT TERMINAL SETUP 5.3.1 Console Cable Connection Management Terminal Connection5.3.2 Management Terminal Setup Parameters Management Terminal SetupTable 5-2 VT Terminal Setup 2H23-50R/2H33-37R User’s Guide5.3.3 Telnet Connections 5.3.4 Monitoring an Uninterruptible Power Supply 5.4 ACCESSING LOCAL MANAGEMENT Figure 5-3 Local Management Password Screen5.4.1 Navigating Local Management Screens Figure 5-4 802.1D Switching Mode, LM Screen Hierarchy Figure 5-5 802.1Q Switching Mode, LM Screen HierarchyChapter 5 Local Management 5-105.4.2 Selecting Local Management Menu Screen Items 5.4.3 Exiting Local Management ScreensTo exit LM using the RETURN command, proceed as follows 5.5 DEVICE MENU SCREEN DEVICE CONFIGURATIONDevice Menu Screen 2H23-50R/2H33-37R User’s GuideDEVICE CONFIGURATION DEVICE STATISTICSNETWORK TOOLS 5.6 DEVICE CONFIGURATION MENU SCREEN SWITCH CONFIGURATION SMARTTRUNK CONFIGURATIONSection 5.7.9 provides instructions on setting the operational mode GENERAL CONFIGURATION SWITCH CONFIGURATIONSMARTTRUNK CONFIGURATION DEVICE SPECIFIC CONFIGURATION5.7 GENERAL CONFIGURATION SCREEN Default Gateway Modiﬁable IP Address ModiﬁableSubnet Mask Modiﬁable TFTP Gateway IP Addr ModiﬁableDisplays the total time that the device has been operating Com Toggle Application ToggleClear NVRAM Toggle IP Fragmentation Toggle5.7.1 Setting the IP Address 5.7.2 Setting the Subnet Mask Figure 5-11 Conﬁguration Warning Screen5.7.3 Setting the Default Gateway 5.7.4 Setting the TFTP Gateway IP Address5.7.5 Setting the Device Date 5.7.6 Setting the Device Time 5.7.7 Entering a New Screen Refresh Time5.7.8 Setting the Screen Lockout Time 5.7.9 Setting the Operational Mode802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST VLAN General Conﬁguration Screen 2H23-50R/2H33-37R User’s Guide5-27 Figure 5-12 Conﬁguration Warning Screen5.7.10 Conﬁguring the COM Port 6. When the message “SAVED OK” displays, the edits you made are saved 4. Use the arrow keys to highlight YES. Press ENTERGeneral Conﬁguration Screen 2H23-50R/2H33-37R User’s Guide5.7.10.1 Changing the COM Port Application 5.7.11 Clearing NVRAMClear NVRAM as follows 5.7.12 Enabling/Disabling IP Fragmentation 5.8 SNMP COMMUNITY NAMES SCREEN Figure 5-15 SNMP Community Names ScreenAccess Policy Read-Only Community Name Modiﬁable5.8.1 Establishing Community Names 5.9 SNMP TRAPS SCREEN 5.9.1 Conﬁguring the Trap Table Enable Traps Toggle5.10 SWITCH CONFIGURATION SCREEN Switch Conﬁguration Screen Switch Address Read-OnlyFigure 5-17 Switch Conﬁguration Screen Number of Ports Read-OnlyType of STA Selectable Age Time ModiﬁablePort # Read-Only Displays the hardware address assigned to each listed port 5.10.1 Setting the STA 5.10.2 Setting the Age Time Field5.10.3 Setting Enabling or Disabling the Port Status 5.11 DEVICE SPECIFIC CONFIGURATION MENU SCREEN Figure 5-18 Device Speciﬁc Conﬁguration Menu ScreenHIGH SPEED INTERFACE CONFIGURATION 802.1Q VLAN CONFIGURATIONPort Based VLAN User’s Guide SYSTEM RESOURCES5.12 SYSTEM RESOURCES SCREEN REPEATER CONFIGURATION MENU5.12.1 Setting the Reset Peak Switch Utilization Flash Memory Installed Read-onlyDRAM Installed Read-only NVRAM Installed Read-only5.13 HIGH SPEED INTERFACE CONFIGURATION SCREEN 2H23-50R ONLY Port Type Read-only Link Status Read-onlyCurrent Oper. Mode Read-only Desired Oper. Mode Selectable5.13.1.1 Setting the FE-100FX or FE-100F3 Operational Mode 5.13.1 Conﬁguring an FE-100FX or FE-100F35.13.2.1 Setting the FE-100TX Operational Mode 5.13.2.2 Setting the FE-100TX Advertised Ability5.13.2 Conﬁguring an FE-100TX 5.14 FLASH DOWNLOAD SCREEN The following brieﬂy deﬁnes each ﬁeld of the Flash Download screen Download Method SelectableReboot After Download Modiﬁable only when the user chooses RUNTIME TFTP Gateway IP Addr SelectableLast Image Server IP Read-only Last Image File Name Read-only5.14.1 Image File Download Using BootP 5.14.2 Image File Download Using TFTP5.14.3 Image File Download Using Runtime 5.15 PORT REDIRECT FUNCTION SCREEN Table 5-6 CONN/Port OrganizationShows which ports are currently set as destination ports 5.15.1 Displaying the Source and Destination Entries 5.15.2 Changing Source and Destination Ports 5.16 BROADCAST SUPPRESSION SCREEN Broadcast frames received above the threshold setting are droppedThe following explains each ﬁeld of the Broadcast Suppression screen 5.16.1 Setting the Threshold 5.16.2 Setting the Reset Peak5.17 THE VLAN MAIN MENU 802.1Q SCREEN Figure 5-24 VLAN Main Menu Screen5.18 REPEATER CONFIGURATION MENU SCREEN Figure 5-25 Repeater Conﬁguration Menu Screen5.19 REPEATER PORT CONFIGURATION SCREEN REPEATER PORT CONFIGURATIONDEVICE LEVEL SECURITY CONFIGURATION PORT LEVEL SECURITY CONFIGURATIONPORT# Read-only Figure 5-26 Repeater Port Conﬁguration ScreenTable 5-8 CONN/Repeater Port Relationship Displays the Link status Link or No Link of the port 5.19.1 Setting the Port Operating Mode 5.19.3 Setting All Ports 5.19.2 Enabling /Disabling Ports5.20 DEVICE LEVEL SECURITY CONFIGURATION 5.19.4 Enabling/Disabling Network PortsConnector Read-Only Figure 5-27 Device Level Security Conﬁguration ScreenSecurity State Selectable Table 5-10 CONN/Repeater Port Relationship5.20.1 Setting the Device Level Security 5.21 PORT LEVEL SECURITY CONFIGURATION SCREEN Port Level Security Conﬁguration Screen2H23-50R/2H33-37R User’s Guide 5-75Port Read-only Network Read-onlyTable 5-11 CONN/Repeater Port Relationship Table 5-12 CONN/Network OrganizationPort Level Security Conﬁguration Screen Security State SelectableAction On Intruder Toggle 2H23-50R/2H33-37R User’s Guide5.21.1 Setting the Port Level Security Address Modiﬁable5.22 DEVICE STATISTICS MENU SCREEN The Device Statistics Menu screen displays the following menu items 5.23 SWITCH STATISTICS SCREEN REPEATER STATISTICSThe Switch Statistics screen displays the following ﬁelds 5.24 INTERFACE STATISTICS SCREEN CLEAR COUNTERS CommandInErrors Read-Only Interface Read-OnlyName Read-Only InOctets Read-OnlyOutErrors Read-Only Admin Status Read-OnlyOutOctets Read-Only OutUnicast Read-Only5.24.1 Displaying Interface Statistics 5.24.2 Using the Clear Counters Command 5.25 RMON STATISTICS SCREENThe following brieﬂy deﬁnes each ﬁeld of the RMON Statistics screen CRC Align Errors Read-only Drop Events Read-onlyCollisions Read-only Broadcast Pkts Read-onlyFragments Read-only Jabbers Read-onlyTotal Packets Read-only Total Octets Read-only5.25.2 Using the Clear Counters Command 5.25.1 Displaying RMON Statistics5.26 REPEATER STATISTICS SCREEN Operating statistics for each repeater port 1 through 48 for theThe following describes each ﬁeld of the Repeater Statistics screen For details on how to use this ﬁeld, refer to Section Displays the total number of errors 5.26.1 Displaying Network Statistics 5.26.2 Displaying Network Port StatisticsPORT # Command 5.26.3 Using the Clear Counters Command 5.27 NETWORK TOOLSSyntax DescriptionOptions Example5.27.1 Built-in Commands arp optionsSyntax OptionsExample SyntaxDescription OptionsSyntax DescriptionOptions ExampleExample SyntaxDescription OptionsSyntaxreset Not ApplicableOptions Examplenot reached, the command displays all next-hop ExampleSyntax DescriptionOptions Not ApplicableExample SyntaxExample linktrapSyntax DescriptionThe atmstpstate command allows the user to option as enable, disable, or status. The STATESyntax Description5.27.2 Special Commands SyntaxDescription OptionsChapter 5 Local Management 5-1082H23-50R/2H33-37R User’s Guide APPENDIX A SPECIFICATIONS A.1 DEVICE SPECIFICATIONSA.2 PHYSICAL PROPERTIES A.3 ELECTRICAL SPECIFICATIONS A.4 ENVIRONMENTAL REQUIREMENTSA.5 INPUT/OUTPUT PORTS A.6 COM PORT PINOUT ASSIGNMENTS A.7 REGULATORY COMPLIANCEAppendix A Speciﬁcations 2H23-50R/2H33-37R User’s GuideAPPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS B.1 FE-100TXB.2 FE-100FX Appendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations2H23-50R/2H33-37R User’s Guide B.3 FE-100F3 FE-100F32H23-50R/2H33-37R User’s Guide FE-100f3Appendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations 2H23-50R/2H33-37R User’s GuideAPPENDIX C OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS C.1 REQUIRED TOOLSC.2 REMOVING THE CHASSIS COVER Appendix C Optional Installations and Mode Switch Bank Settings2H23-50R/2H33-37R User’s Guide To remove the chassis cover, proceed as follows C.2.1 Setting the Mode Switches Figure C-1 Removing the Chassis CoverSwitch deﬁnitions and positions are as follows Switches 1 through 4 - For Cabletron Systems use onlyFigure C-2 Mode Switch Location/Component Layout Switch 7 - Clear NVRAM. Changing the position of this switch resets NVRAM on the next power-up. All user-entered parameters, such as the IP address, device names, etc., are reset to the factory default settings. Once the device resets, you can either use the factory default settings or reenter your own parameters C.3 INSTALLING OPTIONAL FAST ETHERNET INTERFACE MODULES Installing Optional Fast Ethernet Interface ModulesFigure C-3 Fast Ethernet Interface Module Connector Location Primary Power SupplyTo install a Fast Ethernet Interface Module in port slot 5 or 6 of the Installing Optional Fast Ethernet Interface Modules 2. Remove the screw from the rear standoff. Save the screw2H23-50R/2H33-37R User’s Guide 7. Reinstall the cover INDEX Numerics2H23-50R/2H33-37R User’s Guide Index-1Index Index-22H23-50R/2H33-37R User’s Guide Index 2H23-50R/2H33-37R User’s GuideIndex-3 Index Index-42H23-50R/2H33-37R User’s Guide Index 2H23-50R/2H33-37R User’s GuideIndex-5 Index Index-62H23-50R/2H33-37R User’s Guide