3Com 5101M-MGT - Manual

ONline Ethernet Management Module Installation and Operation Guide xi Tables Table 1-1. Ethernet Backplane Combination Reference Chart . . . . . 1-10 Table 1-2. Token Ring Backplane Combination Reference Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 Table 1...

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

ONline Ethernet Management Module Installation and Operation Guide xvii 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: ...

xviii ONline Ethernet Management Module Installation and Operation Guide 3Com Documents The following documents provide additional information on 3Com products: 17-Slot ONline System Concentrator Installation and Operation Guide – Explains how to install, operate, and manage the 3Com ONline 17-Slot ...

Introduction 1 - 1 1 Introduction This chapter presents an overview of the ONline™ Ethernet Management Module (EMM) for software version 4.0 software. A brief description of the new features in version 4.0 is presented first. Also included is a sample application of using the EMM in a network config...

Introduction 1 - 3 Figure 1-1. EMMs in Network Configuration Theory of Operation The EMM can be installed into any slot in the concentrator and communicates with all other modules in the concentrator via a dedicated control bus on the concentrator backplane as shown in Figure 1-2. Figure 1-2. Ethern...

Introduction 1 - 5 Complete ONline Control When you install an EMM into a concentrator for the first time and it becomes master, it automatically learns and saves the configurations of all existing modules and their ports. The EMM provides the following features that maximize security and minimize t...

Introduction 1 - 7 Network Management Access The EMM provides several ways to access network management. For inband management, the EMM provides built-in SNMP (Simple Network Management Protocol) agent, the de facto industry standard for network management. The agent will let you manage EMMs through...

1 - 8 ONline Ethernet Management Module Installation and Operation Guide ❑ SNMP Support - SNMP (Simple Network Management Protocol) is a protocol defined by the Internet community. The EMM acts as an agent in an SNMP managed environment responding to SNMP requests and generating SNMP traps. ❑ Inband...

Introduction 1 - 11 Token Ring 4 removes Ethernet 1 FDDI 2 Token Ring 5 removes Ethernet 1 FDDI 2 and FDDI 3 Token Ring 6 removes Ethernet 1 FDDI 3 Token Ring 7 removes Ethernet 2 FDDI 4 Token Ring 8 removes Ethernet 2 FDDI 4 and FDDI 5 Token Ring 9 removes Ethernet 2 FDDI 5 Token Ring 10 removes Et...

1 - 12 ONline Ethernet Management Module Installation and Operation Guide Where To Go From Here This chapter presented an overview of the ONline Ethernet Management Module and its control capabilities. The next chapter, Unpacking and Installing the Module, explains how you install the module into yo...

Unpacking and Installing the Module 2 - 1 2 Unpacking and Installing the Module This chapter describes the precautionary, unpacking, and installation procedures for the ONline Ethernet Management Module (EMM). It also describes the module's front panel LEDs, Reset Button, and RS-232 serial port conn...

2 - 2 ONline Ethernet Management Module Installation and Operation Guide Unpacking Procedure Use the following procedure when unpacking the EMM: 1. Verify that the EMM is the correct model by matching the model number listed on the side of the shipping carton to the model number you ordered (5101M-M...

Unpacking and Installing the Module 2 - 3 Installation Procedures For a new installation where you have received a new ONline System Concentrator and all the modules, the following steps must be performed prior to installing the EMM: ❑ Install the concentrator in its location (rack, table, etc.) ref...

Unpacking and Installing the Module 2 - 5 Figure 2-2. Installed EMM Connected to a Terminal The RS-232 cable can be a maximum of 50 ft. in length. There are several legal RS-232 cable configurations available depending on your installation. Refer to Appendix B for more information on the exact RS-23...

2 - 6 ONline Ethernet Management Module Installation and Operation Guide 2. The following message should display on the terminal screen once the module is installed properly and the RS-232 connection is made: Ethernet Management Module (v4.00), Copyright (c) 1993 Chipcom Corporation The EMM Front Pa...

Unpacking and Installing the Module 2 - 7 Status LED The Status LED displays a steady green glow to indicate that power is being provided to the EMM and that the EMM is working properly. This LED blinks when an error occurs during operation or if an error is found when diagnostics are performed duri...

Unpacking and Installing the Module 2 - 9 Where to go From Here This chapter covered installation procedures for installing the EMM into a concentrator. Also provided were descriptions of the EMM front panel LEDs, RS-232 port, and the Reset Button. Now you are ready to set up your terminal for commu...

3 - 2 ONline Ethernet Management Module Installation and Operation Guide Quick Reference for Getting Started Table 3-1 outlines the steps and commands necessary to configure your EMM. The procedures and command examples are explained further throughout this chapter. If you are familiar with these in...

Startup and Management Functions 3 - 3 Saving and Reverting Configuration Values When you make configuration changes using the SET command, they are effective immediately but are not saved permanently. To save commands permanently, use the SAVE command. Only saved values are in effect upon reset of ...

3 - 4 ONline Ethernet Management Module Installation and Operation Guide Use the REVERT command to restore the configuration values in effect at the time of the last save. Any unsaved changes made using the SET command are lost. The REVERT and SAVE commands support the same configuration groups as d...

Startup and Management Functions 3 - 5 . Once you have configured your terminal to match the factory defaults of the EMM, press [ENTER] and the following greeting is displayed: Ethernet Management Module (v4.00) Copyright (c) 1993 Chipcom Corporation Press [ENTER] again and the EMM prompts you for a...

3 - 6 ONline Ethernet Management Module Installation and Operation Guide If you have made configuration changes and you have not saved those changes, the LOGOUT command prompts you as follows: ONline> logout [ENTER] WARNING: Save unsaved changes before logout. You must either SAVE or REVERT any c...

Startup and Management Functions 3 - 7 Setting Terminal Prompt It is a good idea to customize the management prompt for each EMM. This will remind you of the EMM to which you are connected in the case where you are logged into a remote EMM. The default management prompt is “ONline>” for all Hems....

Startup and Management Functions 3 - 9 Figure 3-2. The 6-Slot ONline System Concentrator Figure 3-3. The 6-Slot ONline System Concentrator with Integrated Controller Setting Device Password The EMM provides two levels of password protection to protect against unauthorized access to the EMM console a...

3 - 10 ONline Ethernet Management Module Installation and Operation Guide Both the administrator and the user password can be a maximum of 15 characters in length. Note that you must enter a password within 10 seconds following the display of the Password: prompt, or the terminal will display “Timeo...

Startup and Management Functions 3 - 11 ❑ Ports - The EMM can assign each port on a per-port switching ONline module to one of the available networks. Reconfiguration of network assignments can be done at any time, without removing the module from the concentrator or disrupting other configuration s...

3 - 12 ONline Ethernet Management Module Installation and Operation Guide Assigning an EMM Name To make identification of your EMMs easier, 3Com recommends that you assign a unique name to each EMM. You can then use this name instead of the IP address or MAC address to refer to a particular EMM. Use...

Startup and Management Functions 3 - 13 Configuring SNMP Values SNMP (Simple Network Management Protocol) is a protocol defined by the Internet community. All TCP/IP-type traffic is encapsulated in Ethernet frames. The EMM supports SNMP by responding to SNMP requests and generating SNMP traps. An EM...

Startup and Management Functions 3 - 15 Assigning IP Addresses To run SNMP properly, every device on your network must have a unique IP address. Use the SET DEVICE IP_ADDRESS command as shown to assign an IP address for the EMM on network 1. Note that you can set separate IP addresses for each of th...

Startup and Management Functions 3 - 17 Enabling Trap Receive The Advanced version of EMM software provides you with the ab ility to set the EMM as a trap receiver. As a trap receiver, the EMM receives traps from other SNMP devices that have the EMM's IP address in their community table. Use the fol...

3 - 18 ONline Ethernet Management Module Installation and Operation Guide If you isolate a module, the isolated module cannot send or receive any traffic from other modules in the concentrator. Initially, all ONline modules are factory-set to network 1, but will come up isolated if a management modu...

Startup and Management Functions 3 - 19 Note: When you power up a concentrator in which more than one management modules is set to priority level 10, one management module is randomly chosen as master. 3Com recommends that you assign priority level 10 to only one management module in the concentrato...

Startup and Management Functions 3 - 21 To implement port security, assign a MAC Address to a given port before you enable the security feature for that port. Issue the following command to assign a MAC Address to port 3 on the module in slot 6: ONline> set security port 6.3 mac_address 08-00-8f-...

3 - 22 ONline Ethernet Management Module Installation and Operation Guide By following this guideline, you will avoid having security configuration information restored incorrectly in the unlikely event both the master EMM and concentrator power fail concurrently, with at least one slave EMM in the ...

3 - 24 ONline Ethernet Management Module Installation and Operation Guide Logging Out From a Remote Session When you no longer need to be connected to a remote device, enter the LOGOUT command. This command disconnects the remote connection and reconnects the session with the local EMM. Once this is...

Startup and Management Functions 3 - 25 MAC Address: 08-00-8F-10-6B-B3 Dip Configuration: DISABLED Diagnostics: ENABLED Trap Receive: ENABLED Showing Module Information Use the SHOW MODULE ALL command to view information about all of the modules currently installed in the concentrator: ONline> sh...

Startup and Management Functions 3 - 27 Showing Counter Statistics Once the EMM is assigned to a network, it continuously records and updates traffic and error statistics on all Ethernet stations, ports, and the network to which it is assigned. The SHOW COUNTER command can be issued for a module, po...

3 - 28 ONline Ethernet Management Module Installation and Operation Guide Use the SHOW COUNTER NETWORK command as shown to report traffic and error statistics for the network to which the EMM is assigned. ONline> show counter network [ENTER] Non-zero counters for network ETHERNET_1 on 9 Aug 93: N...

Troubleshooting 4 - 1 4 Troubleshooting This chapter provides help in isolating and correcting problems that may arise during the installation process and normal operations of the ONline Ethernet Management Module (EMM). It is divided into the following sections: ❑ Applying Power ❑ EMM and Terminal ...

Troubleshooting 4 - 3 EMM and Terminal Interface Follow the directions in Chapter 2 for attaching your terminal to the EMM using the RS-232 serial port connector. Table 4-2 lists some common problems that may occur when trying to get the EMM to communicate with the terminal. Master Mgt LED not lit. ...

Troubleshooting 4 - 5 EMM Trap Messages A trap message is sent to the console when a change is made or an error occurs in a concentrator that has an installed EMM. The trap is also sent to the designated trap receiver (e.g., management workstation) if you have entered this information in the EMM com...

4 - 6 ONline Ethernet Management Module Installation and Operation Guide The first two fields in the trap message are described in Table 4-3. The remainder of the fields are dependent on the type of trap received and are self-explanatory. SNMP traps are also sent to the EMM console when they occur. ...

Troubleshooting 4 - 7 Technical Assistance You can receive assistance for installing and troubleshooting the EMM by calling either your 3Com reseller or 3Com Technical Support. Be prepared to supply a representative with the following information: ❑ Description of the problem ❑ Steps you have taken ...

4 - 8 ONline Ethernet Management Module Installation and Operation Guide The EMM generates packets on the network (channel) in the following three instances: ❑ When establishing and maintaining a remote login session (RCP or Telnet session). ❑ When resolving a name tag (or IP Address) to a network a...

5 - 2 ONline Ethernet Management Module Installation and Operation Guide Download Requirements A UDK key code is required to complete a software download to the EMM. UDK key codes are usually provided with the UDK. However, you will need to request a key code from 3Com if the key code is not provide...

Software Download Instructions 5 - 3 ❑ IBM PC/AT or compatible with either one high-density diskette drive and a hard drive, or two high-density diskette drives ❑ 640K of available RAM on the PC ❑ 3Com UDK Key Code. The key code is provided automatically with the UDK for SSS customers. If not alread...

5 - 4 ONline Ethernet Management Module Installation and Operation Guide Out-of-Band Download Instructions The instructions for performing an out-of-band download to the Ethernet Management Module are divided into the following steps: ❑ Install the ProComm Software ❑ Connect the RS-232 Cable ❑ Downl...

5 - 8 ONline Ethernet Management Module Installation and Operation Guide This last step of the installation loads the ProComm configuration file. The configuration file sets the parameters that are used by ProComm to communicate with the EMM. The parameters are as follows: Baud= 9600 Data Bits= 8 St...

Software Download Instructions 5 - 9 Warning: Do not interrupt power to the concentrator during the download process or you may corrupt the Flash EPROM. 1. Make a backup copy of the 3Com UDK diskette. 2. Place the 3Com UDK diskette in the floppy drive and change to that drive by typing a: or b: . 3....

Software Download Instructions 5 - 11 Downloading the New Software Use the following procedure to download software to the EMM. 1. Press [ENTER] to display the ONline> prompt and then log in to the EMM as the system administrator. 2. Type the MAINTAIN command to enter maintenance mode where the d...

Software Download Instructions 5 - 15 10. Enter “Y” to exit from ProComm and the UDK Completion Screen displays as shown in Figure 5-9. Figure 5-9. UDK Completion Screen 11. Press any key to exit from the UDK program. 12. Disconnect the cable from the PC and the Ethernet Management Module. The EMM i...

5 - 18 ONline Ethernet Management Module Installation and Operation Guide 6. Issue the DOWNLOAD INBAND command as shown to begin the download. ONline> download inband WARNING: Download will erase your current operational code. You will need the following to replace the software: 1. Chipcom Manage...

Software Download Instructions 5 - 19 Note: Performing an inband download will end your remote login session. It will be necessary for you to remote_login again to check your TFTP result code. Wait three to five minutes allowing the download to complete before re-connecting to the EMM. You may then ...

5 - 20 ONline Ethernet Management Module Installation and Operation Guide ProComm Problems If the problem is not listed in Table 5-1, UDK Error Messages, refer to the ProComm Reference Manual. Refer also to Table 5-2 which lists EMM download error messages. Table 5-1. UDK Error Messages Message Trou...

Software Download Instructions 5 - 21 Ethernet Management Module Problems EMM problems during the download cause an error statement to be displayed on the screen. Common error messages and their meanings are discussed in Table 5-2. If it is necessary to contact 3Com Support, follow the procedure out...

Specifications A - 1 A Specifications This appendix lists specifications for the ONline Ethernet Management Module (EMM). There are five sections: ❑ General Specifications ❑ Electrical Specifications ❑ Environmental Specifications ❑ Mechanical Specifications ❑ Hardware Specifications General Specifi...

A - 2 ONline Ethernet Management Module Installation and Operation Guide Diagnostic modulation: Link Integrity pulse Backplane Interface: 96-pin edge connector, compatible with the 3Com ONline System Concentrator. Port Connector: RS-232 (DB-25) Electrical Specifications Power Requirements: +5V ± 5%,...

Specifications A - 3 Mechanical Specifications Dimensions: 1.0"W x 10.25"L x 8.5"H (2.54 cm x 26.04 cm 21.6 cm) Weight: 1.25 lb. (.57 kg.) Hardware Specifications Memory 256 Kbytes of “0 Wait State” SRAM (expandable to 1/2 megabyte) 256 Kbytes of “Flash” EPROM (Field Reprogrammable PROM)...

RS-232 Cable Specs and Modem Use B - 1 B RS-232 Cable Specs and Modem Use This appendix describes the cable pinouts for the RS-232 cable used to connect the Ethernet Management Module (EMM) to a device. It also explains the requirements for connecting a modem to the EMM. RS-232 Cable Specifications ...

RS-232 Cable Specs and Modem Use B - 3 Modem Use The Ethernet Management Module enables you to use a dial-in modem. The requirements are as follows: 1. The modem must be 100% Hayes compatible. 2. Any baud rate in the range (300, 1200, 2400, 9600) may be used. Higher rates are preferred. 3. The modem...

MIB Groups C - 1 C MIB Groups This appendix describes the MIB-II and 3Com MIB groups that are supported in EMM version 4.0. MIB-II Groups The following MIB-II groups are supported in EMM v4.0. ❑ - system ❑ -if ❑ -at ❑ -ip ❑ -icmp ❑ -udp ❑ -snmp

C - 2 ONline Ethernet Management Module Installation and Operation Guide 3Com MIB Groups The following 3Com MIB groups are supported in EMM v4.0. ❑ - chipAlert ❑ - chipDownload ❑ - chipGen ❑ - chipTFTP ❑ - chipTTY ❑ - olEcho ❑ - olAgents ❑ - olConc ❑ - olEnv ❑ - olModules ❑ - olNet ❑ - olEnet ❑ - ol...

Technical Support D - 1 D 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 ❑...

D - 2 ONline Ethernet Management 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 netwo...

Technical Support D - 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 D - 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) , D-3 A Address Resolution Protocol , 4-10 Address-to-Port Security Configuring , 3-20, 3-21 Feature , 3-11 Administrator Password , 3-9 Alerts , 3-15 Applying Power , 4-1 Assign EMM Name , 3-12 MAC Address to a Port , 3-21 Module Mastersh...