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3Com RMON-EMP-3 installation and operation guide Assigning the Module Default Gateway

Models: RMON-EMP-3

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Assigning the Module Default Gateway

You must assign a default gateway for the RMON MultiProbe Module.

To assign a default gateway:

1.From the Main menu, select option 1, Modify/View Configuration Values, and press Return. The Modify/View Configuration Values menu is displayed (see Figure 3-4).

2.From the Modify/View Configuration Values menu, select option 1, Modify/View Network Settings, and press Return. The Modify/View Network Settings menu is displayed (see Figure 3-6).

3.From the Modify/View Network Settings menu, select option 4 and press Return. The module displays the current default gateway and prompts you to enter a new value.

4.Enter the new default gateway.

5.To save the changes and return to the previous menu, select S.

3 - 28 Ethernet RMON MultiProbe Module Installation and Operation Guide

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3Com RMON-EMP-3 installation and operation guide Assigning the Module Default Gateway

Contents

Document Number Printed March Model Number RMON-EMP-3 ONline Ethernet RMON MultiProbe Module Installation and OperationGuide Software Version 3Com Corporation 118 Turnpike Road Southborough, MACanadian Emissions Requirements ii Ethernet RMON MultiProbe Module Installation and Operation GuideFederal Communications Commission Notice VDE Class B ComplianceEthernet RMON MultiProbe Module Installation and Operation Guide Restricted Rightsiv Ethernet RMON MultiProbe Module Installation and Operation Guide Chapter 2 - Installing the Module ContentsHow to Use This Guide Chapter 1 - IntroductionChapter 3 - Configuring the Module vi Ethernet RMON MultiProbe Module Installation and Operation GuideAppendix B - Technical Support Chapter 4 - TroubleshootingAppendix A - Specifications Indexviii Ethernet RMON MultiProbe Module Installation and Operation Guide Figures x Ethernet RMON MultiProbe Module Installation and Operation Guide Tables xii Ethernet RMON MultiProbe Module Installation and Operation Guide How to Use This Guide AudienceStructure of This Guide Indicates Document ConventionsConvention ExampleRelated Documents xvi Ethernet RMON MultiProbe Module Installation and Operation Guide3Com Documents Reference Documents The following documents supply related background information1 Introduction RMON Architecture RMON OverviewRMON Probe Ethernet RMON Groups RMON ClientHostTopN Group - Sorts stations by top traffic contributors. You can use this information to identify the most active hosts on a segment or the hosts producing the most errors RMON MultiProbe Module Overview RMON MultiProbe Module Features Other benefits of the RMON MultiProbe Module include Theory of Operation Sample Application Figure 1-1. RMON Sample ApplicationPage 2 Installing the Module Installing the Module 2Precautionary Procedures Quick Installation Table 2-1. Quick Installation StepsUnpacking Procedures Installing the RMON MultiProbe Module Figure 2-1. RMON MultiProbe Module in the ONline System Concentrator RMON MultiProbe ModuleConnecting a Terminal Initializing the RMON MultiProbe Module Figure 2-2. Main Configuration Menu Monitoring the Front Panel Figure 2-3. RMON MultiProbe Module Front Panel LEDs and Reset Button Table 2-2. Module LED Interpretations Color Table 2-2. Module LED Interpretations ContinuedLED Name StatePage 3 Configuring the Module Configuring the Module 3Configuration Menu Overview Figure 3-1. Configuration Menu Flow Chart Main MenuFigure 3-1. Configuration Menu Flow Chart Continued Modifying Configuration Menu Values Using the Main Configuration Menu Figure 3-2. Main Configuration Menu Option Table 3-1. Main Configuration Menu DescriptionResult Using the Download Menu Figure 3-3. Download Menureset, the module reverts to the software contained enables you to enter a new value. The filename canDisplays the TFTP server IP address and enables you Table 3-2. Download Menu DescriptionUsing the Modify/View Configuration Values Menu Figure 3-4. Modify/View Configuration Values Menudescription of this menu, refer to the section Using Table 3-3. Modify/View Configuration Values Menu DescriptionDisplays the time zone and enables you to enter a For a description of this menu, refer to the sectionTable 3-3. Modify/View Configuration Values Menu Using the Modify/View Serial Configuration Values MenuDescription Continued Figure 3-5. Modify/View Serial Configuration Values Menu enables you to enter a new value. Valid values Table 3-4. Modify/View Serial Configuration Values Menu DescriptionSerial Port IP Address Displays the modem hangup string and enables Table 3-4. Modify/View Serial Configuration ValuesMenu Description Continued Modem Init Strings and Hangup Strings Table 3-5. Modem Init Strings and Hangup StringsTable 3-5. Modem Init Strings and Hangup Strings Continued Modem Response Strings Table 3-6. Connect Response String ExampleUsing the Modify/View Network Settings Menu Figure 3-6 is an example of the Modify/View Network Settings menu Figure 3-6. Modify/View Network Settings MenuTable 3-7. Modify/View Network Settings Menu Description Using the Modify/View Network Interface Settings Menus Table 3-7. Modify/View Network Settings Menu Description ContinuedFigure 3-7. Modify/View Network Interface 1 Settings Menu Displays the interface IP addressand enables you to Table 3-8. Modify/View Network Interface Settings Menu DescriptionDisplays the interface subnet mask and enables you Configuring the Module and Interfaces Assigning the Interface IP Address and Subnet MaskThis configuration sets up one interface for each bridged segment Assigning the Module Default Gateway BOOTP Description Using BOOTP to Configure the Module and InterfacesBOOTP Configuration Process Using BOOTP BOOTP RequirementsSample BOOTPtab file # /etc/bootptab database for bootp server /etc/bootpd Assigning Interfaces to Networks Using the DIP Switch to Assign Networks Figure 3-8. DIP Switch LocationSetting Table 3-9. Network Selection DIP Switch SettingsSwitch Network SelectionUsing Management Commands to Assign Interfaces to Networks Management Command Examples Show Module Command Showing Module and Interface ConfigurationsSaving Network Assignments Show Port Command Configuring the Module 3 Re-initializing the RMON MultiProbe Module Information Preserved Warm-Starting the RMON MultiProbe ModuleInformation Lost Cold-Starting the RMON MultiProbe Module Information Preserved Information LostPage 4 Troubleshooting Troubleshooting 4Troubleshooting Startup Problems Table 4-1. Diagnostic Tests and Interface Status LEDsTroubleshooting Malfunctions Table 4-2. Troubleshooting MalfunctionsTable 4-2. Troubleshooting Malfunctions Continued Possible Cause Table 4-2. Troubleshooting Malfunctions ContinuedSymptom Corrective ActionTable 4-2. Troubleshooting Malfunctions Continued Possible Cause Table 4-2. Troubleshooting Malfunctions ContinuedSymptom Corrective ActionTroubleshooting Network Connectivity Problems Technical Assistance Page Mechanical Specifications General Specifications A SpecificationsElectrical Specifications Environmental Specifications Connectors and Cables Memory Configuration AllocationPower Requirements Electrical SpecificationsEnvironmental Specifications FuseMechanical Specifications General SpecificationsConnectors and Cables Connector Pinouts RS-232 25-Pin Port Connector PinoutsTable A-1. RMON MultiProbe Module RS-232 25-Pin Port RS-232 Crossover Cable for a PC or Terminal Modem Cable Pinouts Sample Out-of-Band ConnectionsStraight-Through Cable Modem ModemONline System Concentrator Ethernet Null-Modem Cable Direct SLIP Connection ONline SystemUsing the RMON MultiProbe Module SLIP Address RS-232 Straight-Through Cable Table A-2. RS-232 Straight-Through Cable PinoutsRS-232 Null-Modem Cable Figure A-3. RS-232 Straight-Through Cable PinoutsMemory Configuration Allocation Table A-3. Maximum Number of Entries for Ethernet TablesB Technical Support On-line Technical SupportEmail Technical Support Support from Your Network SupplierWorld Wide Web Site Support from 3Com Accessing the 3Com MIB Returning Products for Repair3Com Technical Publications Page Index Numerics2 Index Page 4 Index Warm start configuration information VDE compliance