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Cabletron Systems 2H23-50R, 2H33-37R Using the Clear Counters Command, Rmon Statistics Screen

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

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5.24.2 Using the Clear Counters Command

RMON Statistics Screen

5.24.2 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 command field.

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

5.25RMON STATISTICS SCREEN

RMON statistics for each network port, on an port-by-port basis, are viewed through the RMON Statistics screen shown in Figure 5-32.

Access the RMON Statistics screen by using the arrow keys to highlight the RMON STATISTICS ﬁeld on the Device Statistics Menu screen and pressing ENTER. The RMON Statistics screen displays.

Event Message Line

		2H23-50R LOCAL MANAGEMENT
		RMON	Statistics
Device Type: 2H23-50R					Firmware Revision:	XX.XX.XX
					BOOTPROM Revision: XX.XX.XX
RMON Index:	X	Owner:			monitor
Data Source:	IfIndex.1	Status:			valid
Drop Events:		0	Total Packets:			0
Collisions:		0	Total Octets:			0
Broadcast Pkts:		0	64 Octets:			0
Multicasts:		0	65 -	127 Octets:		0
CRC Align Errors:		0	128	-	255 Octets:	0
Undersized Pkts:		0	256	-	511 Octets:	0
Oversized Pkts:		0	512	-	1023 Octets:	0
Fragments:		0	1024	-	1518 Octets:	0
Jabbers:		0
Index: [nn]		CLEAR COUNTERS
Index: [nn]		CLEAR COUNTERS			EXIT		RETURN

22861_65

Figure 5-32 RMON Statistics Screen

2H23-50R/2H33-37R User’s Guide

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Image 137

Cabletron Systems 2H23-50R, 2H33-37R manual Using the Clear Counters Command, Rmon Statistics Screen

Contents

9032286-04 2H23-50R/2H33-37R SmartSwitch 2100 User’s GuideCONN CONN CONNPage 2H23-50R/2H33-37R User’s Guide Only qualiﬁed personnel should perform installation proceduresFCC NOTICE VCCI NOTICE INDUSTRY CANADA NOTICECABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT 2H23-50R/2H33-37R User’s GuideCABLETRON SOFTWARE PROGRAM LICENSE EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYUNITED 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 Guide2H23-50R/2H33-37R User’s Guide DECLARATION OF CONFORMITYApplication of Council Directives 89/336/EEC 73/23/EEC Manufacturer’s Name Cabletron Systems, Inc2H23-50R/2H33-37R User’s Guide INSTALLATION CONTENTSCHAPTER INTRODUCTIONTROUBLESHOOTING ContentsCHAPTER CHAPTERSNMP Traps Screen Contents2H23-50R/2H33-37R User’s Guide SPECIFICATIONS ContentsSPECIFICATIONS OPTIONAL INSTALLATIONS AND1.2 STRUCTURE OF THIS GUIDE 1.1 USING THIS GUIDECHAPTER INTRODUCTION Chapter 1 Introduction 1.3 OVERVIEWThe 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 1.3.3 Auto-Negotiation 1.3.2 Full Duplex Switched Ethernet1.3.1 Connectivity 1.3.5 Runtime IP Address Discovery 1.3.4 SmartTrunking1.3.6 Management 1.3.7 Switching Options1.4 OPTIONAL FEATURES 1.3.10 LANVIEW Diagnostic LEDs1.3.8 Standards Compatibility 1.3.9 Year 2000 CompliantTable 1-1 Fast Ethernet Interface Modules 1.4.1 Fast Ethernet Interface Modules1.4.2 High Speed Interface Modules The following conventions are used throughout this document 1.5 DOCUMENT CONVENTIONSDocument Conventions 2H23-50R/2H33-37R User’s Guide1.6 GETTING HELP 1.7 RELATED MANUALS 2H23-50R/2H33-37R User’s Guide Chapter 1 Introduction1-12 2.2 10BASE-T NETWORK CHAPTER NETWORK REQUIREMENTS2.1 SmartTrunk 2.4 100BASE-FX FIBER OPTIC NETWORK 2.3 100BASE-TX NETWORKSingle Mode Fiber Cable Lengths Multimode Fiber Optic Cable Length3.1 REQUIRED TOOLS CHAPTER INSTALLATION3.2 UNPACKING THE DEVICE 3.3 INSTALLING OPTIONS3.4.1 Tabletop or Shelf Installation 3.4 INSTALLING THE DEVICEGuidelines for Tabletop and Shelf Installations InstallationGuidelines for the Rackmount Installation 3.4.2 Rackmount InstallationRack mounting the 2H23-50R or 2H33-37R involves the following Rack Mounting the Device Figure 3-3 Installing the Rackmount BracketsFigure 3-4 Installing the Device in a Rack 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 3-8 Cable Pinouts - RJ45 Crossover Cable Figure 3-7 FE-100TX Crossover Switch100 FE-100TX 2251-31RX LED TX LED Figure 3-9 FE100-TX Port Connection3.5.3 Connecting a Fiber Optic Segment to the FE-100FX and FE-100F3 Figure 3-10 Fiber Optic Cable Connection SC ConnectorRX LED TX LED3.6 COMPLETING THE INSTALLATION 2H23-50R/2H33-37R User’s Guide Chapter 3 Installation3-16 4.1 USING LANVIEW CHAPTER TROUBLESHOOTING2H23-50R/2H33-37R User’s Guide Chapter 4 TroubleshootingFlashing indicates an LED ﬂashing randomly 2H23-50R/2H33-37R User’s Guide Using LANVIEWTable 4-1 LANVIEW LEDs ColorTable 4-1 LANVIEW LEDs Continued Chapter 4 Troubleshooting2H23-50R/2H33-37R User’s Guide 100 LED Receive RX LED 4.2 FE-100TX LEDTable 4-2 10/100 LED Indications When RX LED Is On Chapter 4 TroubleshootingTable 4-3 10/100 LED Indications When RX LED Is Off A link exists if the associated port 5 or 6 RX LED is onTroubleshooting Checklist 4.3 TROUBLESHOOTING CHECKLISTTable 4-4 Troubleshooting Checklist 2H23-50R/2H33-37R User’s Guidedowntime of up to two minutes will result from this action 4.4 USING THE RESET BUTTON5.1 OVERVIEW CHAPTER LOCAL MANAGEMENTChapter 5 Local Management 5.2 LOCAL MANAGEMENT KEYBOARD CONVENTIONS2H23-50R/2H33-37R User’s Guide Table 5-1 Keyboard Conventions5.3 MANAGEMENT TERMINAL SETUP Management Terminal Connection 5.3.1 Console Cable ConnectionManagement Terminal Setup 5.3.2 Management Terminal Setup ParametersTable 5-2 VT Terminal Setup 2H23-50R/2H33-37R User’s Guide5.3.3 Telnet Connections 5.3.4 Monitoring an Uninterruptible Power Supply Figure 5-3 Local Management Password Screen 5.4 ACCESSING LOCAL MANAGEMENT5.4.1 Navigating Local Management Screens Figure 5-5 802.1Q Switching Mode, LM Screen Hierarchy Figure 5-4 802.1D Switching Mode, LM Screen HierarchyChapter 5 Local Management 5-105.4.3 Exiting Local Management Screens 5.4.2 Selecting Local Management Menu Screen ItemsTo exit LM using the RETURN command, proceed as follows DEVICE CONFIGURATION 5.5 DEVICE MENU SCREENDevice Menu Screen 2H23-50R/2H33-37R User’s GuideNETWORK TOOLS DEVICE CONFIGURATIONDEVICE STATISTICS Section 5.7.9 provides instructions on setting the operational mode 5.6 DEVICE CONFIGURATION MENU SCREENSWITCH CONFIGURATION SMARTTRUNK CONFIGURATION SWITCH CONFIGURATION GENERAL CONFIGURATIONSMARTTRUNK CONFIGURATION DEVICE SPECIFIC CONFIGURATION5.7 GENERAL CONFIGURATION SCREEN IP Address Modiﬁable Default Gateway ModiﬁableSubnet Mask Modiﬁable TFTP Gateway IP Addr ModiﬁableDisplays the total time that the device has been operating Application Toggle Com ToggleClear NVRAM Toggle IP Fragmentation Toggle5.7.1 Setting the IP Address Figure 5-11 Conﬁguration Warning Screen 5.7.2 Setting the Subnet Mask5.7.4 Setting the TFTP Gateway IP Address 5.7.3 Setting the Default Gateway5.7.5 Setting the Device Date 5.7.7 Entering a New Screen Refresh Time 5.7.6 Setting the Device Time802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST VLAN 5.7.8 Setting the Screen Lockout Time5.7.9 Setting the Operational Mode 2H23-50R/2H33-37R User’s Guide General Conﬁguration Screen5-27 Figure 5-12 Conﬁguration Warning Screen5.7.10 Conﬁguring the COM Port 4. Use the arrow keys to highlight YES. Press ENTER 6. When the message “SAVED OK” displays, the edits you made are savedGeneral Conﬁguration Screen 2H23-50R/2H33-37R User’s Guide5.7.11 Clearing NVRAM 5.7.10.1 Changing the COM Port ApplicationClear NVRAM as follows 5.7.12 Enabling/Disabling IP Fragmentation Figure 5-15 SNMP Community Names Screen 5.8 SNMP COMMUNITY NAMES SCREENCommunity Name Modiﬁable Access Policy Read-Only5.8.1 Establishing Community Names 5.9 SNMP TRAPS SCREEN Enable Traps Toggle 5.9.1 Conﬁguring the Trap Table5.10 SWITCH CONFIGURATION SCREEN Switch Address Read-Only Switch Conﬁguration ScreenFigure 5-17 Switch Conﬁguration Screen Number of Ports Read-OnlyPort # Read-Only Type of STA SelectableAge Time Modiﬁable Displays the hardware address assigned to each listed port 5.10.3 Setting Enabling or Disabling the Port Status 5.10.1 Setting the STA5.10.2 Setting the Age Time Field Figure 5-18 Device Speciﬁc Conﬁguration Menu Screen 5.11 DEVICE SPECIFIC CONFIGURATION MENU SCREEN802.1Q VLAN CONFIGURATION HIGH SPEED INTERFACE CONFIGURATIONPort Based VLAN User’s Guide SYSTEM RESOURCESREPEATER CONFIGURATION MENU 5.12 SYSTEM RESOURCES SCREENFlash Memory Installed Read-only 5.12.1 Setting the Reset Peak Switch UtilizationDRAM Installed Read-only NVRAM Installed Read-only5.13 HIGH SPEED INTERFACE CONFIGURATION SCREEN 2H23-50R ONLY Link Status Read-only Port Type Read-onlyDesired Oper. Mode Selectable Current Oper. Mode Read-only5.13.1 Conﬁguring an FE-100FX or FE-100F3 5.13.1.1 Setting the FE-100FX or FE-100F3 Operational Mode5.13.2 Conﬁguring an FE-100TX 5.13.2.1 Setting the FE-100TX Operational Mode5.13.2.2 Setting the FE-100TX Advertised Ability 5.14 FLASH DOWNLOAD SCREEN Download Method Selectable The following brieﬂy deﬁnes each ﬁeld of the Flash Download screenTFTP Gateway IP Addr Selectable Reboot After Download Modiﬁable only when the user chooses RUNTIMELast Image Server IP Read-only Last Image File Name Read-only5.14.2 Image File Download Using TFTP 5.14.1 Image File Download Using BootP5.14.3 Image File Download Using Runtime Table 5-6 CONN/Port Organization 5.15 PORT REDIRECT FUNCTION SCREENShows 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 Broadcast frames received above the threshold setting are dropped 5.16 BROADCAST SUPPRESSION SCREENThe following explains each ﬁeld of the Broadcast Suppression screen 5.16.2 Setting the Reset Peak 5.16.1 Setting the ThresholdFigure 5-24 VLAN Main Menu Screen 5.17 THE VLAN MAIN MENU 802.1Q SCREENFigure 5-25 Repeater Conﬁguration Menu Screen 5.18 REPEATER CONFIGURATION MENU SCREENREPEATER PORT CONFIGURATION 5.19 REPEATER PORT CONFIGURATION SCREENDEVICE LEVEL SECURITY CONFIGURATION PORT LEVEL SECURITY CONFIGURATIONTable 5-8 CONN/Repeater Port Relationship PORT# Read-onlyFigure 5-26 Repeater Port Conﬁguration Screen Displays the Link status Link or No Link of the port 5.19.1 Setting the Port Operating Mode 5.19.2 Enabling /Disabling Ports 5.19.3 Setting All Ports5.19.4 Enabling/Disabling Network Ports 5.20 DEVICE LEVEL SECURITY CONFIGURATIONFigure 5-27 Device Level Security Conﬁguration Screen Connector Read-OnlyTable 5-10 CONN/Repeater Port Relationship Security State Selectable5.20.1 Setting the Device Level Security Port Level Security Conﬁguration Screen 5.21 PORT LEVEL SECURITY CONFIGURATION SCREEN2H23-50R/2H33-37R User’s Guide 5-75Network Read-only Port Read-onlyTable 5-11 CONN/Repeater Port Relationship Table 5-12 CONN/Network OrganizationSecurity State Selectable Port Level Security Conﬁguration ScreenAction On Intruder Toggle 2H23-50R/2H33-37R User’s GuideAddress Modiﬁable 5.21.1 Setting the Port Level Security5.22 DEVICE STATISTICS MENU SCREEN The Device Statistics Menu screen displays the following menu items REPEATER STATISTICS 5.23 SWITCH STATISTICS SCREENThe Switch Statistics screen displays the following ﬁelds CLEAR COUNTERS Command 5.24 INTERFACE STATISTICS SCREENInterface Read-Only InErrors Read-OnlyName Read-Only InOctets Read-OnlyAdmin Status Read-Only OutErrors Read-OnlyOutOctets Read-Only OutUnicast Read-Only5.24.1 Displaying Interface Statistics 5.25 RMON STATISTICS SCREEN 5.24.2 Using the Clear Counters CommandThe following brieﬂy deﬁnes each ﬁeld of the RMON Statistics screen Drop Events Read-only CRC Align Errors Read-onlyCollisions Read-only Broadcast Pkts Read-onlyJabbers Read-only Fragments Read-onlyTotal Packets Read-only Total Octets Read-only5.25.1 Displaying RMON Statistics 5.25.2 Using the Clear Counters CommandThe following describes each ﬁeld of the Repeater Statistics screen 5.26 REPEATER STATISTICS SCREENOperating statistics for each repeater port 1 through 48 for the For details on how to use this ﬁeld, refer to Section Displays the total number of errors PORT # Command 5.26.1 Displaying Network Statistics5.26.2 Displaying Network Port Statistics 5.27 NETWORK TOOLS 5.26.3 Using the Clear Counters CommandDescription SyntaxOptions Examplearp options 5.27.1 Built-in CommandsSyntax OptionsSyntax ExampleDescription OptionsDescription SyntaxOptions ExampleSyntax ExampleDescription OptionsNot Applicable SyntaxresetOptions ExampleExample not reached, the command displays all next-hopSyntax DescriptionNot Applicable OptionsExample Syntaxlinktrap ExampleSyntax Descriptionoption as enable, disable, or status. The STATE The atmstpstate command allows the user toSyntax DescriptionSyntax 5.27.2 Special CommandsDescription Options2H23-50R/2H33-37R User’s Guide Chapter 5 Local Management5-108 A.2 PHYSICAL PROPERTIES APPENDIX A SPECIFICATIONSA.1 DEVICE SPECIFICATIONS A.5 INPUT/OUTPUT PORTS A.3 ELECTRICAL SPECIFICATIONSA.4 ENVIRONMENTAL REQUIREMENTS A.7 REGULATORY COMPLIANCE A.6 COM PORT PINOUT ASSIGNMENTS2H23-50R/2H33-37R User’s Guide Appendix A SpeciﬁcationsB.1 FE-100TX APPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS2H23-50R/2H33-37R User’s Guide B.2 FE-100FXAppendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations FE-100F3 B.3 FE-100F32H23-50R/2H33-37R User’s Guide FE-100f32H23-50R/2H33-37R User’s Guide Appendix B FE-100TX, FE-100FX, and FE-100F3 SpeciﬁcationsC.1 REQUIRED TOOLS APPENDIX C OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS2H23-50R/2H33-37R User’s Guide C.2 REMOVING THE CHASSIS COVERAppendix C Optional Installations and Mode Switch Bank Settings To remove the chassis cover, proceed as follows Figure C-1 Removing the Chassis Cover C.2.1 Setting the Mode SwitchesFigure C-2 Mode Switch Location/Component Layout Switch deﬁnitions and positions are as followsSwitches 1 through 4 - For Cabletron Systems use only 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 Installing Optional Fast Ethernet Interface Modules C.3 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 2H23-50R/2H33-37R User’s Guide Installing Optional Fast Ethernet Interface Modules2. Remove the screw from the rear standoff. Save the screw 7. Reinstall the cover Numerics INDEX2H23-50R/2H33-37R User’s Guide Index-12H23-50R/2H33-37R User’s Guide IndexIndex-2 Index-3 Index2H23-50R/2H33-37R User’s Guide 2H23-50R/2H33-37R User’s Guide IndexIndex-4 Index-5 Index2H23-50R/2H33-37R User’s Guide 2H23-50R/2H33-37R User’s Guide IndexIndex-6