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RMON-EMP-3 installation and operation guide
Models:
RMON-EMP-3
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Troubleshooting
Specification
Install
1. Configuration Menu Flow Chart
Configuring the Module
Connecting a Terminal
Symptom
3. RMON MultiProbe Module Front Panel LEDs and Reset Button
1. Diagnostic Tests and Interface Status LEDs
Using Management Commands to Assign Interfaces to Networks
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Contents
Document Number Printed March Model Number RMON-EMP-3
ONline Ethernet RMON MultiProbe Module Installation and Operation
Guide
Software Version 3Com Corporation 118 Turnpike Road Southborough, MA
Canadian Emissions Requirements
ii Ethernet RMON MultiProbe Module Installation and Operation Guide
Federal Communications Commission Notice
VDE Class B Compliance
Ethernet RMON MultiProbe Module Installation and Operation Guide
Restricted Rights
iv Ethernet RMON MultiProbe Module Installation and Operation Guide
Chapter 2 - Installing the Module
Contents
How to Use This Guide
Chapter 1 - Introduction
Chapter 3 - Configuring the Module
vi Ethernet RMON MultiProbe Module Installation and Operation Guide
Appendix B - Technical Support
Chapter 4 - Troubleshooting
Appendix A - Specifications
Index
viii 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
Audience
Structure of This Guide
Indicates
Document Conventions
Convention
Example
Related Documents
xvi Ethernet RMON MultiProbe Module Installation and Operation Guide
3Com Documents
Reference Documents
The following documents supply related background information
1 Introduction
RMON Overview
RMON Architecture
RMON Probe
Ethernet RMON Groups
RMON Client
HostTopN 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 Application
Page
2 Installing the Module
Installing the Module 2
Precautionary Procedures
Quick Installation
Table 2-1. Quick Installation Steps
Unpacking Procedures
Installing the RMON MultiProbe Module
Figure 2-1. RMON MultiProbe Module in the ONline System Concentrator
RMON MultiProbe Module
Connecting 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 Continued
LED Name
State
Page
3 Configuring the Module
Configuring the Module 3
Configuration Menu Overview
Figure 3-1. Configuration Menu Flow Chart
Main Menu
Figure 3-1. Configuration Menu Flow Chart Continued
Modifying Configuration Menu Values
Using the Main Configuration Menu
Figure 3-2. Main Configuration Menu
Table 3-1. Main Configuration Menu Description
Option
Result
Using the Download Menu
Figure 3-3. Download Menu
reset, the module reverts to the software contained
enables you to enter a new value. The filename can
Displays the TFTP server IP address and enables you
Table 3-2. Download Menu Description
Using the Modify/View Configuration Values Menu
Figure 3-4. Modify/View Configuration Values Menu
description of this menu, refer to the section Using
Table 3-3. Modify/View Configuration Values Menu Description
Displays the time zone and enables you to enter a
For a description of this menu, refer to the section
Using the Modify/View Serial Configuration Values Menu
Table 3-3. Modify/View Configuration Values Menu
Description Continued
Figure 3-5. Modify/View Serial Configuration Values Menu
Table 3-4. Modify/View Serial Configuration Values Menu Description
enables you to enter a new value. Valid values
Serial Port IP Address
Table 3-4. Modify/View Serial Configuration Values
Displays the modem hangup string and enables
Menu Description Continued
Modem Init Strings and Hangup Strings
Table 3-5. Modem Init Strings and Hangup Strings
Table 3-5. Modem Init Strings and Hangup Strings Continued
Modem Response Strings
Table 3-6. Connect Response String Example
Using 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 Menu
Table 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 Continued
Figure 3-7. Modify/View Network Interface 1 Settings Menu
Table 3-8. Modify/View Network Interface Settings Menu Description
Displays the interface IP addressand enables you to
Displays the interface subnet mask and enables you
Configuring the Module and Interfaces
Assigning the Interface IP Address and Subnet Mask
This configuration sets up one interface for each bridged segment
Assigning the Module Default Gateway
Using BOOTP to Configure the Module and Interfaces
BOOTP Description
BOOTP Configuration Process
BOOTP Requirements
Using BOOTP
Sample 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 Location
Setting
Table 3-9. Network Selection DIP Switch Settings
Switch
Network Selection
Using Management Commands to Assign Interfaces to Networks
Management Command Examples
Showing Module and Interface Configurations
Show Module Command
Saving Network Assignments
Show Port Command
Configuring the Module 3
Re-initializing the RMON MultiProbe Module
Warm-Starting the RMON MultiProbe Module
Information Preserved
Information Lost
Cold-Starting the RMON MultiProbe Module
Information Preserved
Information Lost
Page
4 Troubleshooting
Troubleshooting 4
Troubleshooting Startup Problems
Table 4-1. Diagnostic Tests and Interface Status LEDs
Troubleshooting Malfunctions
Table 4-2. Troubleshooting Malfunctions
Table 4-2. Troubleshooting Malfunctions Continued
Possible Cause
Table 4-2. Troubleshooting Malfunctions Continued
Symptom
Corrective Action
Table 4-2. Troubleshooting Malfunctions Continued
Possible Cause
Table 4-2. Troubleshooting Malfunctions Continued
Symptom
Corrective Action
Troubleshooting Network Connectivity Problems
Technical Assistance
Page
Mechanical Specifications General Specifications
A Specifications
Electrical Specifications Environmental Specifications
Connectors and Cables Memory Configuration Allocation
Power Requirements
Electrical Specifications
Environmental Specifications
Operating Temperature
Mechanical Specifications
General Specifications
Connectors and Cables
RS-232 25-Pin Port Connector Pinouts
Connector Pinouts
Table 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 Connections
Straight-Through Cable
Modem Modem
ONline System Concentrator
Ethernet Null-Modem Cable Direct SLIP Connection ONline System
Using the RMON MultiProbe Module SLIP Address
RS-232 Straight-Through Cable
Table A-2. RS-232 Straight-Through Cable Pinouts
RS-232 Null-Modem Cable
Figure A-3. RS-232 Straight-Through Cable Pinouts
Memory Configuration Allocation
Table A-3. Maximum Number of Entries for Ethernet Tables
B Technical Support
On-line Technical Support
Support from Your Network Supplier
Email Technical Support
World Wide Web Site
Support from 3Com
Accessing the 3Com MIB
Returning Products for Repair
3Com Technical Publications
Page
Index
Numerics
2 Index
Page
4 Index
Warm start configuration information
VDE compliance