3Com RMON-EMP-3 - Manual

Ethernet RMON MultiProbe Module Installation and Operation Guide xi Tables Table 2-1. Quick Installation Steps . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Table 2-2. Module LED Interpretations . . . . . . . . . . . . . . . . . . . . . . 2-12 Table 3-1. Main Configuration Menu Description...

Ethernet RMON MultiProbe Module Installation and Operation Guide xiii How to Use This Guide This guide describes how to install the 3Com Ethernet RMON MultiProbe™ Module into the 3Com ONline™ System Concentrator and the ONcore® Switching Hub. This guide also provides troubleshooting suggestions to u...

xiv Ethernet RMON MultiProbe Module Installation and Operation Guide Structure of This Guide This guide contains the following chapters and appendix: Chapter 1, Introduction – Provides an introduction to the 3Com Ethernet RMON MultiProbe Module. Chapter 2, Installing the Module – Describes the insta...

Ethernet RMON MultiProbe Module Installation and Operation Guide xv Document Conventions The following document conventions are used in this guide: Convention Indicates Example Courier text User input In the Agent Information Form, enter MIS in the New Contact field. System output After pressing the...

xvi Ethernet RMON MultiProbe Module Installation and Operation Guide Related Documents This section provides information on suppo rting documentation, including: ❑ 3Com Documents ❑ Reference Documents Note: A Note . The information is important Note: Use STP lobe cables for your system. Caution: A C...

Ethernet RMON MultiProbe Module Installation and Operation Guide xvii 3Com Documents The following documents provide additional information on 3Com products: ONline System Concentrator Installation and Operation Guide - Provides information on the installation, operation, and configuration of theONl...

xviii Ethernet RMON MultiProbe Module Installation and Operation Guide Reference Documents The following documents supply related background information: Case, J., Fedor, M., Scoffstall, M., and J. Davin , The Simple Network Management Protocol , RFC 1157, University of Tennessee at Knoxville, Perfo...

Introduction 1 - 1 1 Introduction This chapter provides an introduction to the 3Com Ethernet RMON MultiProbe  Module (hereafter referred to as the RMON MultiProbe Module). The RMON MultiProbe Module is managed by the following 3Com management modules: ❑ ONcore® Distributed Management Module (Versio...

1 - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide RMON Overview Remote Monitoring (RMON) is a standards-based network management tool that allows you to efficiently and effectively monitor segments throughout the network. You can use RMON to identify and isolate potential proble...

Introduction 1 - 3 RMON Client The RMON Client consists of a management station running an application that uses SNMP (such as the 3Com ONdemand LANsentry™ software) to request data from the probe and display that data in various formats. You can also use the graphical interface to configure the RMO...

1 - 4 Ethernet RMON MultiProbe Module Installation and Operation Guide ❑ 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. ❑ Matrix Group - Collects statistics between pairs...

Introduction 1 - 5 RMON MultiProbe Module Overview The RMON MultiProbe Module is a single-slot Ethernet module that you install in an ONline and ONcore hub. The RMON MultiProbe Module can monitor up to three Ethernet networks simultaneously and perform all functions on all networks in parallel. The ...

1 - 6 Ethernet RMON MultiProbe Module Installation and Operation Guide RMON MultiProbe Module Features When you use the RMON MultiProbe Module in conjunction with an RMON client application, you can: ❑ Monitor the network ❑ Generate reports based on network information ❑ Filter and capture packets ❑...

1 - 8 Ethernet RMON MultiProbe Module Installation and Operation Guide Theory of Operation This section describes the theory of operation for the RMON MultiProbe Module. The RMON MultiProbe Module: ❑ Supports simultaneous analysis of three Ethernet channels ❑ Monitors the network proactively For exa...

Introduction 1 - 9 Sample Application Figure 1-1 illustrates a sample application of RMON MultiProbe Modules in a concentrator monitoring Ethernet segments in Boston and New York. With the appropriate interconnections, you can view the RMON data collected by the RMON MultiProbe Modules from a client...

Installing the Module 2 - 1 2 Installing the Module This chapter contains the following sections: ❑ Precautionary Procedures ❑ Quick Installation ❑ Unpacking Procedures ❑ Installing the RMON MultiProbe Module ❑ Connecting a Terminal ❑ Initializing the RMON MultiProbe Module ❑ Monitoring the Front Pa...

2 - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide Precautionary Procedures Caution: Electrostatic discharge (ESD) can damage static-sensitive devices on circuit boards. When you handle the module: ❑ Do not remove the board from its antistatic shielding bag until you are ready to...

Installing the Module 2 - 3 Quick Installation Table 2-1 outlines the steps necessary to complete the installation of the RMON MultiProbe Module. If you are familiar with installing 3Com modules, use this table as a checklist. Otherwise, consult the remainder of this chapter. Table 2-1. Quick Instal...

2 - 4 Ethernet RMON MultiProbe Module Installation and Operation Guide Unpacking Procedures To unpack the RMON MultiProbe Module: 1. Verify that the RMON MultiProbe Module (Model Number RMON-EMP-3) is the model you ordered by checking the model number listed on the side of the shipping carton. Note ...

Installing the Module 2 - 5 Installing the RMON MultiProbe Module You do not need to power down the hub to install or remove the RMON MultiProbe Module. You can insert the module while the hub is operating (this is called a hot swap). To install the RMON MultiProbe Module: 1. Properly ground yoursel...

Installing the Module 2 - 7 Connecting a Terminal You can connect a terminal or workstation running a terminal emulation program to the RMON MultiProbe Module RS-232 port to: ❑ Configure IP address information for the RMON MultiProbe Module interfaces ❑ Display the RMON MultiProbe Module configurati...

2 - 8 Ethernet RMON MultiProbe Module Installation and Operation Guide Initializing the RMON MultiProbe Module Once you complete module installation procedures and attach an RS-232 cable to the front panel, you can initialize the RMON MultiProbe Module and display the configuration menus. To initial...

2 - 10 Ethernet RMON MultiProbe Module Installation and Operation Guide Monitoring the Front Panel Use the LEDs on the front panel of the RMON MultiProbe Module to monitor the status of the module and the module interfaces. The RMON MultiProbe Module front panel also contains a recessed Reset button...

Installing the Module 2 - 13 Serial Activity Yellow Blinking Activity over the RS-232 port. Blinks once for each character received or transmitted. Reset Button Black When pressed Re-initializes module software and resets module hardware. Table 2-2. Module LED Interpretations (Continued) LED Name Co...

3 - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide Configuration Menu Overview This section describes the RMON MultiProbe Module configuration menus and how to use the menus to configure the module and interface. The configuration menus enable you to configure the module and inte...

Configuring the Module 3 - 5 Modifying Configuration Menu Values The configuration menus contain options that enable you to: ❑ Display additional configuration menus ❑ Display and modify configuration values To display a menu from within a menu, type the number of the option and press Return . To di...

3 - 6 Ethernet RMON MultiProbe Module Installation and Operation Guide Using the Main Configuration Menu Use the Main configuration menu to: ❑ Display the Modify/View Configuration Values menu ❑ Download new firmware ❑ Initiate a warm or cold start To display the Main configuration menu: 1. Press th...

3 - 8 Ethernet RMON MultiProbe Module Installation and Operation Guide Table 3-1 describes the Main menu options. Table 3-1. Main Configuration Menu Description Option Result 1. Modify/View configuration menu Displays the Modify/View Configuration Value menu. For a description of this menu, refer to...

Configuring the Module 3 - 9 Using the Download Menu Use the Download menu to: ❑ Configure the RMON MultiProbe Module for a software download ❑ Display the current IP address and subnet mask for each interface To display the Download menu, select option 2 from the Main configuration menu. Figure 3-3...

Configuring the Module 3 - 11 Using the Modify/View Configuration Values Menu Use the Modify/View Configuration Values menu to: ❑ Set module values (such as date and time) ❑ Display the Modify/View Network Settings menu ❑ Display the Modify/View Serial Port Settings menu To display this menu, select...

Configuring the Module 3 - 13 Note: All configuration settings except for the Autodiscovery Echo Interval field value are preserved after a cold start. Using the Modify/View Serial Configuration Values Menu Use the Modify/View Serial Configuration Values menu to configure the module RS-232 serial po...

Configuring the Module 3 - 17 Modem Init Strings and Hangup Strings This section describes the format of the modem: ❑ Init Strings ❑ Hangup Strings To allow the RMON MultiProbe Module to communicate with a modem or a serial data switch, use the modem Init String and Hangup String. The strings contai...

Configuring the Module 3 - 19 You may also insert binary data into the data stream using the following control sequence for each byte of binary data: ^0x## (where ## is the hexadecimal representation of the data byte). Two ASCII characters (0-9, a-f, A-F) must follow the ^0x control prefix. For exam...

3 - 20 Ethernet RMON MultiProbe Module Installation and Operation Guide The RMON MultiProbe Module uses the information in this string to adjust the bps rate of the serial interface once you establish a modem connection. No Connect Response - An ASCII string that contains response codes generated by...

Configuring the Module 3 - 23 Using the Modify/View Network Interface Settings Menus Each interface has a Modify/View Network Interface Settings menu. Use the interface menus to: ❑ Display the module MAC address ❑ Display and modify the interface IP address ❑ Display and modify the interface subnet ...

3 - 26 Ethernet RMON MultiProbe Module Installation and Operation Guide Configuring the Module and Interfaces Before the RMON MultiProbe Module can become operational, you must configure the following parameters for the module and interfaces: ❑ IP address (for each interface) ❑ Subnet mask (for each...

3 - 28 Ethernet RMON MultiProbe Module Installation and Operation Guide 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...

Configuring the Module 3 - 29 Using BOOTP to Configure the Module and Interfaces This section describes: ❑ BOOTP Description ❑ BOOTP Configuration Process ❑ BOOTP Requirements ❑ Using BOOTP BOOTP Description BOOTP (Bootstrap Protocol) is a UDP/IP-based (User Datagram Protocol/Internet Protocol) broa...

3 - 30 Ethernet RMON MultiProbe Module Installation and Operation Guide To configure other interfaces, use the Modify/View Network Settings configuration menu to change the BOOTP network interface. BOOTP Requirements The BOOTP server must perform the following functions: ❑ Map hardware addresses to ...

3 - 32 Ethernet RMON MultiProbe Module Installation and Operation Guide Assigning Interfaces to Networks To assign RMON MultiProbe Module interfaces to networks, you can use either: ❑ DIP switch settings, if your hub is unmanaged (an ONline or ONcore management module is not installed in the hub). ❑...

Configuring the Module 3 - 33 Using the DIP Switch to Assign Networks If you have an unmanaged hub, use the DIP switch on the module to assign networks to the RMON MultiProbe Module interfaces. However, the DIP switch settings are ignored if the following two conditions are met: ❑ A network manageme...

3 - 34 Ethernet RMON MultiProbe Module Installation and Operation Guide Table 3-9 describes the positions of the DIP switches required to configure and enable the RMON MultiProbe Module interfaces to corresponding Ethernet networks. As the table shows, switches 1, 2, 6, 7, and 8 are not used. Table ...

3 - 36 Ethernet RMON MultiProbe Module Installation and Operation Guide Management Command Examples To assign interface 1 on the RMON MultiProbe Module in slot 7 to Ethernet 1, use the following network management command: SET PORT 7.1 NETWORK ETHERNET_1 Port 07.01 network id set to ETHERNET_1. To a...

Configuring the Module 3 - 37 Saving Network Assignments After you make configuration changes to the module, issue the SAVE MODULE_PORT command as shown to save the interface network configurations. SAVE MODULE_PORT Note: Failure to save the interface network configurations may result in loss of con...

3 - 38 Ethernet RMON MultiProbe Module Installation and Operation Guide The following output is an example of the SHOW MODULE VERBOSE command issued for an RMON MultiProbe Module installed in slot 6 of an ONline System Concentrator: ONline> show module 6 verbose Slot Module Version Network Genera...

3 - 40 Ethernet RMON MultiProbe Module Installation and Operation Guide Re-initializing the RMON MultiProbe Module Once you install and configure the RMON MultiProbe Module and it has successfully completed its diagnostics, the module functions without user intervention. You can re-initialize the mo...

Configuring the Module 3 - 41 Warm-Starting the RMON MultiProbe Module When you re-initialize the RMON MultiProbe Module by initiating a warm start (for example, by pressing the Reset button), all collected information stored in the module Random Access Memory (RAM) is lost. Configuration informatio...

3 - 42 Ethernet RMON MultiProbe Module Installation and Operation Guide Cold-Starting the RMON MultiProbe Module When you re-initialize the RMON MultiProbe Module by initiating a cold start (for example, by selecting option 4 from the Main Configuration menu), all network management information is l...

Troubleshooting 4 - 1 4 Troubleshooting This chapter provides hardware troubleshooting information which you can use if the RMON MultiProbe Module fails to operate correctly. If after reviewing the information in this chapter you cannot correct the problem, contact your 3Com representative for furth...

4 - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide Troubleshooting Startup Problems This section describes how to troubleshoot startup problems by monitoring the Interface Status LEDs and the Module Status LED on the RMON MultiProbe Module faceplate. When you first install the RM...

Troubleshooting 4 - 3 Troubleshooting Malfunctions Table 4-2 lists the symptoms of operating malfunctions for the RMON MultiProbe Module and shows possible causes and corrective actions for these malfunctions. Table 4-2. Troubleshooting Malfunctions Symptom Possible Cause Corrective Action Module St...

4 - 8 Ethernet RMON MultiProbe Module Installation and Operation Guide Troubleshooting Network Connectivity Problems If the RMON MultiProbe Module does not appear to be transmitting or receving traffic properly on the network, it could indicate that there is no connection to the network. Try perform...

Troubleshooting 4 - 9 Technical Assistance You can receive assistance for installing and troubleshooting the Ethernet RMON MultiProbe Module by calling either your 3Com reseller or 3Com Technical Support. Be prepared to supply a representative with the following information: ❑ Description of the pro...

Specifications A - 1 A Specifications This appendix lists specifications for the 3Com RMON MultiProbe Module, including: ❑ Electrical Specifications ❑ Environmental Specifications ❑ Mechanical Specifications ❑ General Specifications ❑ Connectors and Cables ❑ Memory Configuration Allocation

Specifications A - 3 Mechanical Specifications General Specifications Width 1.0” Length 10.275” Height 8.5” Weight 1.25 lbs RMON Processor Intel  960CF 33 Mhz processor 128 KB Boot Flash 512 KB Application Flash 8 MB DRAM SIM supported 128 KB NVRAM (Battery Backed SRAM) Network Processor Motorola® ...

A - 4 Ethernet RMON MultiProbe Module Installation and Operation Guide Connectors and Cables Use the information in this section to ensure that the cables and connecting hardware meet requirements. For proper operation, use only approved cables when you install all equipment. This section describes:...

Specifications A - 5 RS-232 25-Pin Port Connector Pinouts This section describes the serial port pinouts for the RS-232 25-pin connector on the RMON MultiProbe Module faceplate. Table A-1 lists the pinouts for the RS-232 25-pin connector. Note: The RMON MultiProbe Module asserts pins 20 and 4 contin...

A - 6 Ethernet RMON MultiProbe Module Installation and Operation Guide RS-232 Crossover Cable for a PC or Terminal This section describes pinouts for an RS-232 crossover cable when you connect a PC or terminal to the RMON MultiProbe Module. The RMON MultiProbe Module end of the cable is a 25-pin fem...

Specifications A - 7 Modem Cable Pinouts You can connect a modem to the RMON MultiProbe Module to allow a remote client to have out-of-band access to the module if the main network link fails. For example, you can access the RMON MultiProbe Module using Serial Line Internet Protocol (SLIP). From a m...

Specifications A - 9 Using the RMON MultiProbe Module SLIP Address To communicate with the RMON MultiProbe Module, the client software must use the RMON MultiProbe Module local SLIP address as the module destination IP address. For information on configuring a SLIP route to a device, refer to the wo...

A - 12 Ethernet RMON MultiProbe Module Installation and Operation Guide Memory Configuration Allocation This section describes how the 8 MB of RAM shipped with the RMON MultiProbe Module is allocated for each Ethernet table. Table A-3 lists the maximum number of entries for each Ethernet table. Tabl...

Technical Support B - 1 B Technical Support 3Com provides easy access to technical support information through a variety of services. This appendix describes the following services: ❑ On-line Technical Support ❑ Support from Your Network Supplier ❑ Support from 3Com ❑ Returning Products for Repair ❑...

B - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide Email Technical Support You can contact the Integrated Systems Division (formerly Chipcom) on the Internet for technical support using the e-mail address [email protected]. World Wide Web Site You can access the latest network...

Technical Support B - 3 When you contact your network supplier for assistance, have the following information ready: ❑ Diagnostic error messages ❑ A list of system hardware and software, including revision levels ❑ Details about recent configuration changes, if applicable If you are unable to contac...

Technical Support B - 5 3. Enter your full Internet e-mail address as the password (for example, [email protected] ). 4. Change to the mib or schema directory using the cd /pub/mibs or cd /pub/mibs/schemas command. 5. To view the 3Com MIB, OID, or schema entries, enter the dir command. ❑ To pause the...

Index 1 Index Numerics 3Com Bulletin Board Service (3ComBBS) , B-3 3Com Management Module console port , 3-35 A ASCII Control Characters , 3-18 Assigning default gateway , 3-26 IP address , 3-26 subnet mask , 3-26 Attaching workstation , 2-7 Audience guide , xiii Autodiscovery echo interval , 3-12 B...