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Cabletron Systems 2E43-27R, 2E42-27R manual Using the Clear Counters Command, Network Tools

Models: 2E42-27R 2E43-27R 2E42-27 2E43-27

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Chapter 5: Local Management

5.22.2 Using the Clear Counters Command

To reset all the statistics counters of the selected interface to zero, perform the following steps:

1.Use the arrow keys to highlight the CLEAR COUNTERS field.

2.Press ENTER, the counters for the selected index are reset to zero.

5.23NETWORK TOOLS

The Network Tools function allows the user to access and manage network devices. Figure 5-30shows the Network Tools Help screen.

To access the Network Tools screen, use the arrow keys to highlight the NETWORK TOOLS menu item in the Device Menu screen and press ENTER. The Network Tools screen displays.

5-76	2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide

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Cabletron Systems 2E43-27R, 2E42-27R manual Using the Clear Counters Command, Network Tools

Contents

2E42-27/2E42-27R/2E43-27/2E43-27R SmartSwitch User’s Guide 9031960-052E42-27 2E43-27Page 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Only qualiﬁed personnel should perform installation proceduresFCC NOTICE INDUSTRY CANADA NOTICE VCCI NOTICECABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideEXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY CABLETRON SOFTWARE PROGRAM LICENSEUNITED STATES GOVERNMENT RESTRICTED RIGHTS 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideSAFETY INFORMATION CLASS 1 LASER TRANSCEIVERS SAFETY INFORMATION CLASS 1 LASER TRANSCEIVERSLASER RADIATION AND CONNECTORS 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideDECLARATION OF CONFORMITY 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideApplication of Council Directives 89/336/EEC 73/23/EEC Manufacturer’s Name Cabletron Systems, Inc2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide CONTENTS INSTALLATIONCHAPTER INTRODUCTIONContents TROUBLESHOOTINGCHAPTER CHAPTERContents 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideContents SPECIFICATIONSSPECIFICATIONS OPTIONAL INSTALLATIONS AND1.2 STRUCTURE OF THIS GUIDE 1.1 USING THIS GUIDECHAPTER INTRODUCTION 1.3 2E4X-27 FEATURES Chapter 1 IntroductionFull Duplex Switched Ethernet FDSE support for 20 Mbps or 1.4 2E4X-27 OVERVIEW 1.4.1 Connectivity1.4.2 Full Duplex Switched Ethernet 1.4.3 SmartTrunk1.4.4 Runtime IP Address Discovery 1.4.5 Management1.4.6 Switching Options 1.4.9 LANVIEW Diagnostic LEDs1.4.7 Standards Compatibility 1.4.8 Year 2000 Compliant1.4.10 Optional Features Table 1-1 Fast Ethernet Interface Modules1.5 DOCUMENT CONVENTIONS The following conventions are used throughout this documentDocument Conventions 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide1.6 GETTING HELP 1.7 RELATED MANUALS 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 1 Introduction1-12 2.2 10BASE-T NETWORK CHAPTER NETWORK REQUIREMENTS2.1 SmartTrunk 2.3 100BASE-TX NETWORK 2.4 100BASE-FX FIBER OPTIC NETWORKMultimode Mode Fiber Optic Cable Length Single Mode Fiber Cable LengthsCHAPTER INSTALLATION 3.2 INSTALLING OPTIONS 3.1 UNPACKING THE 2E4X-273.3 INSTALLING THE 2E4X-27 3.3.1 Tabletop or Shelf InstallationGuidelines for Tabletop and Shelf Installations Installation3.3.2 Rackmount Installation Guidelines for the Rackmount InstallationRack mounting the 2E4X-27 involves the following Proceed as follows to install the 2E4X-27 into a 19-inch rack 3.3.3 Connecting Power to the 2E42-27 or 2E43-27 3.3.4 Connecting Power to the 2E42-27R or 2E43-27R Figure 3-5 2E42-27R/2E43-27R Rear View3.4 CONNECTING TO THE NETWORK 3.4.1 Connecting UTP Cables to Ports 1 Through3.4.1.1 2E42-27 or 2E42-27R Cable Connections 3.4.1.2 2E43-27 or 2E43-27R Cable Connections Figure 3-7 Cable Pinouts - RJ45 Crossover CableFigure 3-9 Connection Using the RJ21 Angle Adapter Figure 3-8 2E43-27 or 2E43-27R Straight Cable Connection3.4.2 Connecting a UTP Segment to the FE-100TX Figure 3-10 FE-100TX Crossover Switch 100 FE-100TX3.4.3 Connecting a Fiber Optic Segment to the FE-100FX and FE-100F3 Fiber Optic Network ConnectionFigure 3-11 FE-100FX and FE-100F3 Ports RX LED3.5 COMPLETING THE INSTALLATION 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 3 Installation3-18 CHAPTER TROUBLESHOOTING 4.1 USING LANVIEWChapter 4 Troubleshooting Flashing indicates an LED ﬂashing randomlySolid indicates a steady LED light. No ﬂashing 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideUsing LANVIEW 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideTable 4-1 LANVIEW LEDs Continued Color4.2 FE-100TX LED 100 LED Receive RX LEDTable 4-3 10/100 LED Indications When RX LED Is Off FE-100TX LEDNo link exists if the associated port 25 or 26 RX Receive LED is off 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide4.3 TROUBLESHOOTING CHECKLIST Chapter 4 TroubleshootingTable 4-4 Troubleshooting Checklist Problem2E42-27 4.4 USING THE RESET BUTTONdowntime of up to two minutes will result from this action Chapter 4 Troubleshooting 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideCHAPTER LOCAL MANAGEMENT 5.1 OVERVIEW5.2 LOCAL MANAGEMENT KEYBOARD CONVENTIONS Chapter 5 Local Management2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Table 5-1 Keyboard Conventions5.3 MANAGEMENT TERMINAL SETUP 5.3.1 Console Cable Connection Figure 5-1 Management Terminal Connection5.3.2 Management Terminal Setup Parameters Management Terminal SetupTable 5-2 VT Terminal Setup Display Setup Menu5.3.3 Monitoring an Uninterruptible Power Supply Figure 5-2 Uninterruptible Power Supply UPS Connection5.4 ACCESSING LOCAL MANAGEMENT Figure 5-3 The 2E4X-27 Local Management Password Screen5.4.1 Navigating Local Management Screens Accessing Local Management Figure 5-4 802.1D Switching Mode, LM Screen HierarchyFigure 5-5 802.1Q Switching Mode, LM Screen Hierarchy 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide5.4.2 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 STATISTICS NETWORK TOOLS5.6 DEVICE CONFIGURATION MENU SCREEN GENERAL CONFIGURATION SWITCH CONFIGURATIONETHERNET FULL DUPLEX CONFIGURATION SMARTTRUNK CONFIGURATION5.7 GENERAL CONFIGURATION SCREEN Default Gateway Modiﬁable Subnet Mask ModiﬁableTFTP Gateway IP Addr Modiﬁable Device Date ModiﬁableDisplays the total time that the device has been operating 5.7.1 Setting the IP Address 5.7.2 Setting the Subnet Mask 5.7.3 Setting the Default Gateway Figure 5-11 Conﬁguration Warning Screen5.7.4 Setting the TFTP Gateway IP Address 5.7.5 Setting the Device Date 5.7.6 Setting the Device Time5.7.8 Setting the Screen Lockout Time 5.7.7 Entering a New Screen Refresh Time5.7.9 Setting the Operational Mode 802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST VLAN5.7.10 Conﬁguring the COM Port General Conﬁguration Screen If the COM port is reconﬁgured without a valid IP address set2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide 5-275.7.10.1 Changing the Com Port Application 5.7.11 Clearing NVRAM 5.7.12 Enabling/Disabling IP Fragmentation 5.8 SNMP COMMUNITY NAMES SCREEN Figure 5-15 SNMP Community Names Screen5.8.1 Establishing Community Names To establish community names, proceed as follows 5.9 SNMP TRAPS SCREEN 5.9.1 Conﬁguring the Trap Table Enable Traps Toggle5.10 SWITCH CONFIGURATION SCREEN Displays the base 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 Status Toggle5.11 ETHERNET FULL DUPLEX CONFIGURATION SCREEN Figure 5-18 Ethernet Full Duplex Conﬁguration ScreenThis section explains each ﬁeld of the Full Duplex Conﬁguration screen 5.11.1 Setting the Operation Mode 5.12 DEVICE SPECIFIC CONFIGURATION MENU SCREEN Figure 5-19 Device Speciﬁc Conﬁguration Menu Screen HIGH SPEED INTERFACE CONFIGURATIONSYSTEM RESOURCES 5.13 SYSTEM RESOURCES SCREEN 802.1Q VLAN CONFIGURATIONFLASH DOWNLOAD PORT REDIRECT FUNCTIONThe following brieﬂy explains each ﬁeld of the System Resources screen 5.13.1 Setting the Reset Peak Switch Utilization 5.14 HIGH SPEED INTERFACE CONFIGURATION MENU SCREENNVRAM Installed Read-only Current Switch Utilization Read-onlyFigure 5-21 High Speed Interface Conﬁguration Menu Screen FAST ETHERNET INTERFACESHSIM 5.15 HIGH SPEED INTERFACE CONFIGURATION SCREEN Figure 5-22 High Speed Interface Conﬁguration ScreenCurrent Oper. Mode Read-only Port Type Read-onlyLink Status Read-only Desired Oper. Mode Selectable Advertised Ability Selectable5.15.2 Setting the FE-100FX or FE-100F3 Operational Mode 5.15.4 Setting the FE-100TX Operational Mode5.15.1 Conﬁguring an FE-100FX or FE-100F3 in Port 25 or 5.15.3 Conﬁguring an FE-100TX in Port 25 or5.15.5 Setting the FE-100TX Advertised Ability 5.16 FLASH DOWNLOAD SCREEN Figure 5-23 Flash Download ScreenThe following brieﬂy explains each ﬁeld of the Flash Download screen 5.16.1 Image File Download Using BootP 5.16.2 Image File Download Using TFTPDownload Server IP Selectable Download File Name Selectable5.16.3 Image File Download Using Runtime For example /tftpboot/2E42.hexFor example /tftpboot/2E42.fls 5.17 PORT REDIRECT FUNCTION SCREEN Shows which ports are currently set as source ports 5.17.1 Displaying the Source and Destination Entries 5.17.2 Changing Source and Destination Ports5.18 BROADCAST SUPPRESSION SCREEN Time Since Peak Read-Only Figure 5-25 Broadcast Suppression/Statistics ScreenReset Peak Toggle 5.18.1 Setting the Threshold5.18.2 Setting the Reset Peak 5.19 DEVICE STATISTICS MENU SCREEN SWITCH STATISTICSSection 5.7.9 provides instructions on setting the operational mode SECURE FAST VLANThe Device Statistics Menu screen displays the following menu items 5.20 SWITCH STATISTICS SCREEN Figure 5-27 Switch Statistics ScreenChapter 5 Local Management Interface # Read-Only5.21 INTERFACE STATISTICS SCREEN Figure 5-28 Interface Statistics Screen Interface Read-OnlyName Read-Only InErrors Read-Only InOctets Read-OnlyInUnicast Read-Only InNonUnicast Read-OnlyOutErrors Read-Only Admin Status Read-OnlyOutNonUnicast Read-Only OutDiscards Read-Only5.21.2 Using the Clear Counters Command 5.21.1 Displaying Interface Statistics5.22 RMON STATISTICS SCREEN This ﬁeld displays the name of the entity that conﬁgured this entry Oversized Pkts Read-only Fragments Read-onlyJabbers Read-only Total Packets Read-only5.22.1 Displaying RMON Statistics 5.22.2 Using the Clear Counters Command 5.23 NETWORK TOOLSThere are two categories of commands in the command set Syntax DescriptionOptions Example5.23.1 Built-in Commands bridge ENABLE/DISABLE IFNUM/ALL delete the default IP route to a managed device defroute delete interface number IP addressNetwork Tools defrouteThe netstat command provides a display of netstat optiongeneral network statistics for the managed one of the two display optionsThe Network Tools connection to the device will be terminated resetTIP upon execution of this command not reached, the command displays all next-hop protocols that are currently supported are ARPtraceroute IP address routers in the path to the device. If the device isSyntaxsoftreset IP address. The IP address ﬁeld is mandatory The user must specify the remote host using itslinktrap The atmstpstate command allows the user to option as enable, disable, or status. The STATENetwork Tools atmstpstate5.23.2 Special Commands Chapter 5 Local Managementdone, quit, exit 5-88APPENDIX A SPECIFICATIONS A.1 DEVICE SPECIFICATIONSELECTRICAL SPECIFICATIONS PHYSICAL PROPERTIESAppendix A Speciﬁcations A.4 ENVIRONMENTAL REQUIREMENTSA.5 INPUT/OUTPUT PORTS A.6 COM PORT/PIN ASSIGNMENTS A.7 REGULATORY COMPLIANCEAppendix A Speciﬁcations 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideAPPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS B.1 FE-100TX2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide B.2 FE-100FXAppendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations B.3 FE-100F3 FE-100F32E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide FE-100F3Appendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideAPPENDIX C OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS C.1 REQUIRED TOOLS C.2 REMOVING THE CHASSIS COVERThis section describes how to remove the 2E4X-27 chassis cover Appendix C Optional Installations and Mode Switch Bank SettingsTo remove the chassis cover, proceed as follows C.2.1 Setting the Mode Switch Figure C-1 Removing the Chassis CoverSwitch deﬁnitions and positions are as follows Switch 7 - Clear NVRAM. Changing the position of this switch resets NVRAM on either the next power-up or the next operation of the front panel RESET button. All user-entered parameters, such as the IP address, device names, etc., are reset to the factory default settings. Once the 2E4X-27 resets, you can either use the factory default settings or re-enter 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 Connectorsb. Lift and remove the coverplate from the top of the front standoffs 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Installing Optional Fast Ethernet Interface Modules2. Remove the screw from the rear standoff. Save the screw 7. Reinstall the cover Numerics INDEX2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Index-12E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-2 Index 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideIndex-3 destination port2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-4 Troubleshooting 4-1 checklist Uninterruptible Power Supply connection of UnpackingVLAN configuration of Index2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-6