AT-FH812u AT-FH824u Fast Ethernet 10/100 Hubs USER’S GUIDE PN 613-10752-00 Rev.
Copyright © 1998 Allied Telesyn International, Corp. 950 Kifer Road, Sunnyvale CA 94086 USA All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesyn International, Corp. Ethernet is a registered trademark of Xerox Corporation. SNMPc is a registered trademark of Castle Rock. UNIX is a registered trademark of X/ Open Company, LTD. Internet Explorer, Windows 95 and Windows NT are registered trademarks of Microsoft Corporation.
Table of Contents AT-FH812u and AT-FH824u Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Required Connections for System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AT-FH812u and AT-FH824u Software Introduction The AT-FH812u and AT-FH824u hub (and the connected stack) is managed through a direct console or modem connection to the AT-FH801u network management agent module's serial port, using Telnet to access the hub over the network, a standard browser to access the Agent Module's embedded web agent, or with SNMP-based network management software.
AT-FH812u and AT-FH824u Software Required Connections for System Configuration The hub includes a menu-driven configuration program. The ASCII interface to this program is accessed by making a direct connection to the serial port on the Agent Module, or by a Telnet connection to the hub over the network. This section describes how to access the menu-driven configuration program via: ❑ Onsite connection — A terminal or workstation connected to the serial port locally on the Agent Module.
AT-FH812u and AT-FH824u User’s Guide Making a Telnet Connection Before you access the hub via an in-band Telnet connection or with a Web browser, you must first configure it with a valid IP address, subnet mask and default gateway, using an out-of-band connection or BootP protocol. Once the hub's IP parameters are configured, you can access the on-board configuration program from anywhere within the attached network.
AT-FH812u and AT-FH824u Software Configuring Your System with the Console Interface Once a direct connection to the serial port or a Telnet connection is established, the login screen for the on-board configuration program appears, as shown in Figure 1. -----------------------------------------------------------FH824U/FH812U Dual-Speed Intelligent Hub User Interface V0.09 06-08-98 (C) Copyright Allied Telesyn International, Corp. User Name : admin Password : ***** Press to exit this program.
AT-FH812u and AT-FH824u User’s Guide Using the System Configuration Program The system configuration program lets you define system parameters; manage and control the hub, the connected stack and all its ports; and monitor network conditions. Figure 2 and the Table 1 briefly describe the selections available from this program. Note Options for the currently selected item are displayed in the highlighted area at the bottom of the interface screen.
AT-FH812u and AT-FH824u Software Table 1 System Configuration Commands Menu Description System Information Provides system description, including MIB identifier and other data. Restart Hub Resets management agent for all hubs in stack or for selected hub. Exit Exits the configuration program. Configuration Panels System Configuration Configures IP parameters, including address, subnet mask, gateway, SLIP IP, default bootup IP, and maximum number of Telnet sessions.
AT-FH812u and AT-FH824u User’s Guide Displaying System Information Use the System Information screen to display descriptive information about the hub, or for quick system identification, as shown in Figure 3 and Table 2. -----------------------------------------------------------System Information System Description : CentreCOM FH812U System Object ID : 1.3.6.1.4.1.259.5.
AT-FH812u and AT-FH824u Software Resetting the System Logging Off the System Performing Basic Configuration Use the Reset command under the Main Menu to reset the agent. Use the Exit command under the Main Menu to exit the configuration program and terminate communications with the switch for the current session. After initially logging onto the system, use the Configuration Menu to adjust the communication parameters for your console to ensure a reliable connection.
AT-FH812u and AT-FH824u User’s Guide Changing the Network Configuration Use the Network Configuration screen to configure the hub's Internet Protocol (IP) parameters, set the bootup option, and define the maximum number of Telnet sessions allowed. Table 3 defines the screen’s parameters listed in Figure 4. -----------------------------------------------------------------System Configuration Current Used New Setting ---------------------------------------------------IP Address : 10.1.113.115 10.1.113.
AT-FH812u and AT-FH824u Software Assigning SNMP Parameters Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The Agent Module monitors the hardware status of the hub (or connected stack), as well as the traffic passing through the ports. A Network Management Station (NMS) can access this information using other third-party network management software. Access rights to the agent are controlled by community strings.
AT-FH812u and AT-FH824u User’s Guide SNMP Communities SNMP Communities Community Name Access Status READ/WRITE Enabled 1. public 2. READ-ONLY Disabled 3. READ-ONLY Disabled 4. READ-ONLY Disabled 5. READ-ONLY Disabled The name of this SNMP community entry. forward a char, backward a char.
AT-FH812u and AT-FH824u Software IP Trap Managers IP Trap Managers IP Address Community Name Status 1. 0.0.0.0 public Disabled 2. 0.0.0.0 public Disabled 3. 0.0.0.0 public Disabled 4. 0.0.0.0 public Disabled 5. 0.0.0.0 public Disabled 6. 0.0.0.0 public Disabled 7. 0.0.0.0 public Disabled 8. 0.0.0.0 public Disabled 9. 0.0.0.0 public 10. Disabled 0.0.0.0 public Disabled The IP address of this IP trap manager entry.
AT-FH812u and AT-FH824u User’s Guide Hub Configuration Hub Selection Menu Use the Hub Configuration screen to configure any hub in the stack. This menu is used to configure the selected hub, as well as the Agent Module. Use the menu in Figure 8 to view a basic description of all the hubs in the stack, including hardware and firmware version numbers, or to open a more detailed configuration screen for a specific hub.
AT-FH812u and AT-FH824u Software Hub Configuration Menu -----------------------------------------------------------Hub Configuration Hub ID : 1 Serial No : 11-00-00-00-10-24 H/W Ver : 1 # of Port : 24 10M BackPlane : Attached 100M BackPlane: Attached SNMP Agent ===================================================== Baudrate : 9600 H/W Ver Bootup Option : Normal MAC Address 00-00-E8-61-1B-C8 : : 1 POST Ver : 0.11 System Ver : 0.
AT-FH812u and AT-FH824u User’s Guide Table 8 Hub Configuration Parameters Parameters Description Hub Hub ID Hub identifier in stack. Serial No Serial number of this hub. 10M Backplane Attaches/isolates hub's 10 Mbps repeater bus from the stack's data channel. 100M Backplane Attaches/isolates hub's 100 Mbps repeater bus from the stack's data channel. H/W Ver Hardware version number of the repeater board. # of Ports Indicates whether this device has 12 or 24 repeater ports.
AT-FH812u and AT-FH824u Software Configuring Port Parameters Select Administrative Status Control from the Port Configuration screen to configure any port on the hub. The following menu shows the configuration options. In addition to the functional parameters listed in Figure 10, note that you can also enable/disable any port. Table 9 lists and defines the Port Administration Status control parameters.
AT-FH812u and AT-FH824u User’s Guide Table 9 Port Administration Status Control Parameters Parameters Description Admin State Allows you to disable a port due to abnormal behavior (e.g., excessive collisions), and then re-enable it after the problem has been resolved. You may also disable a port for security reasons. Link State Indicates if the port has a valid connection to an external device. Partition Indicates if the port is partitioned.
AT-FH812u and AT-FH824u Software Defining Port Backups Select Backup Link Control (described in Table 10) from the Port Configuration screen to define up to 15 master/slave port pairs. If the connection to the master port fails, the slave port will automatically take over. For greater reliability, primary and secondary ports should be located on different hubs. Use the menu in Figure 11 to specify and activate port backup pairs.
AT-FH812u and AT-FH824u User’s Guide Configuring Port Security Select Port Security Control from the Port Configuration screen to configure port intrusion protection. The parameters are described in Figure 12 and Table 11. ------------------------------------Port Security Control (1 - 12) Hub ID : 1 Port Mode Auth. Address L.S. Address Intrusion Action 1. MANUAL 0000e8-123456 0000e8-123456 WARNING & DISABLE 2. AUTO 0000e8-123798 0000e8-123798 WARNING & DISABLE 3.
AT-FH812u and AT-FH824u Software RMON Configuration Use the RMON Configuration screen (Figure 13) to enable/disable RMON support or to attach the Agent Module to either the 10 or 100 Mbps segment. Table 12 describes the RMON configuration parameters. -----------------------------------------------------------RMON Configuration 10M Segment RMON 100M Segment RMON : Disable : Enable Full Segment Enable : NO Agent Attached to : 100M Use ESC for help. Use arrow keys to move.
AT-FH812u and AT-FH824u User’s Guide Downloading System Software Using TFTP Protocol to Download over the Network. Use the TFTP Download menu to load software updates into the hub. The download file should be an atiflash.bin binary file from Allied Telesyn; otherwise the agent will not accept it. The success of the download operation depends on the accessibility of the TFTP server and the quality of the network connection. After downloading the new software, the agent will automatically restart itself.
AT-FH812u and AT-FH824u Software Using the Serial Port to Download via Out-of-Band Use the XModem Download command to update available software in the hub. The download file should be the atiflash.bin binary file from Allied Telesyn; otherwise the agent will not accept it. This command specifies direct download from an attached device via the serial port. You may download using any terminal emulation program that can transmit binary files using XModem protocol.
AT-FH812u and AT-FH824u User’s Guide Changing System Passwords The User Passwords screen is used to display or modify user names and passwords for the on-board configuration program. There are two user types: Administrator and Guest. Only the Administrator has write access for parameters governing the SNMP agent. You should, therefore, assign a user name and password to the Administrator as soon as possible, and store it in a safe place.
AT-FH812u and AT-FH824u Software Displaying Repeater Statistics Use the Repeater Statistics screen to display statistics for the 10 Mbps and 100 Mbps stack segments. These values can be used to indicate the approximate loading for each segment, as shown in Figure 16 and defined in Table 17.
AT-FH812u and AT-FH824u User’s Guide Displaying Hub Statistics Use the Hub Statistics screen to display key statistics for each hub in the stack. Overall statistics on the traffic passing through each hub are displayed. See Figure 17 and Table 18.
AT-FH812u and AT-FH824u Software Displaying Port Statistics Use the Port Statistics screen to display key statistics for each port. Overall statistics on the traffic passing through each port are displayed. This information can be used to identify potential problems with the hub (e.g., a faulty port). Select the required port from the Port Statistics: Port Selection Menu. The statistics displayed are indicated in Figure 18 and Table 19.
AT-FH812u and AT-FH824u User’s Guide Table 19 Port Statistics Statistics Description Refresh Statistics Refresh the displayed statistics. Auto-Refresh Statistics Refresh statistics at the interval specified in Console Configuration. Reset Counter Reset the statistics counter for all items to zero. Readable Frames Number of good frames received. Readable Octets Number of good octets received. CRC Errors Number of CRC errors.
AT-FH812u and AT-FH824u Software Troubleshooting Refer to the AT-FH812u and AT-FH824u Installation Guide for a more detailed listing of troubleshooting procedures. However, if you have trouble making a connection via Telnet or accessing the web or SNMP agent, then please refer to the following section. Network Management Access You can access the hub from anywhere within the attached network. However, you must first configure the hub with a valid IP address, subnet mask, and default gateway.
