Linksys DSHSNMP User Manual
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Linksys DSHSNMP User Manual

Linksys DSHSNMP User Manual

Simple network management protocol (snmp) module
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Instant EtherFast
Series
Simple Network
Management Protocol
(SNMP) Module
For Use With:
StackPro II 10/100 16-Port Dual-Speed Hub (DSHUB16)
StackPro II 10/100 24-Port Dual-Speed Hub (DSHUB24)
Use this guide to install this
Linksys product:
Simple Network Management Protocol
Module (DSHSNMP)
User Guide

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Summary of Contents for Linksys DSHSNMP

  • Page 1 Series Simple Network Management Protocol (SNMP) Module For Use With: StackPro II 10/100 16-Port Dual-Speed Hub (DSHUB16) StackPro II 10/100 24-Port Dual-Speed Hub (DSHUB24) Use this guide to install this Linksys product: Simple Network Management Protocol Module (DSHSNMP) User Guide...
  • Page 2 Linksys Customer Support in order to obtain a Return Authorization number. Warranty is for repair or replacement only. Linksys does not issue any refunds. BE SURE TO HAVE YOUR PROOF OF PUR- CHASE AND BAR CODE AND MODEL NUMBER ON HAND WHEN CALLING.
  • Page 3 Notice: This is the first FINAL version of the SNMP user guide for 10 March 1999. It was posted at 5:00PM PST. Please report any errors via email: support@linksys.com...
  • Page 4 Contents Introduction About This Guide Managing the Hub Installing The Hardware Using a Telnet Connection The Command Line Interface The Web-Based Interface...
  • Page 5 As your network needs grow, your StackPro II 10/100 Dual- Speed Hub Management Module can be updated - just log on to the Linksys web site, at http://www.linksys.com, and down- load the latest free firmware upgrade. About this Guide...
  • Page 6 SNMP module or other network management device, it is recommended that you read the entire user guide, including the full version available in PDF format on the Linksys web site before installing and configuring the module. Additional research may be needed to obtain a full working knowledge of some of the concepts and terms discussed in this guide.
  • Page 7 10/100 auto-sensing) for each port on the hub or in the stack. • Configure hub IP addresses, network protocols, and system ID settings • Enable or disable of any port on the hub or in the stack • Enable, disable, and monitor fiber optic distance extender modules •...
  • Page 8 Web-based interface. The command console interface is the first one that you will use when you first install the module and power on your hub. The command console interface looks just like a basic text- based command-line terminal.

  • Page 9: Installing The Hardware

    Please read through all of the provided instructions before continuing with the installation: 1. Turn off the StackPro II hub. If your hub is connected to a rack, remove it from the rack. Remove the panel on the back of the unit marked SNMP. For your safety, it is important to do this in a safe working environment free of excessive clutter, electromagnetic interference, and dormant static electricity.
  • Page 10 5. Turn on the hub. 6. You will see diagnostic messages in the terminal window. The hub is running a self-test. Please wait for it to finish, and watch to make sure that the hub passes all of the tests.
  • Page 11 8. Enter the manager password. You will see a command menu. 9. The first thing you should do is change the hub unit's IP address. The default address for the hub is 192.168.0.1. Press 2 to get to the "Protocol Configuration" menu. Give the hub a unique IP address in this format: nnn.nnn.nnn.nnn...
  • Page 12 Locating Hubs in the Stack The find a hub's unit number, start with Unit 1 at the top of the stack and count downwards. In a stack of 6 StackPro II hubs, Unit 1 is on the top and Unit 6 is on the bottom.

  • Page 13: Using The Command Line Interface

    Before entering the command line interface, the hub will run several diagnostic tests and it will prompt you to enter a pass- word. Enter the manager's password. The default password for the manager access level is "manager".

  • Page 14: System Settings Menu

    Press one of the keys above to change a setting or Exit: _ Entering any one of the menu options will allow you to change the information about the managed hub's name, loca- tion, and contact name. Once you have entered the new names that you wish to use, press X to return to the main menu.

  • Page 15: Protocol Configuration Menu

    You can access the protocol configuration menu by pressing 2 at the main menu. Use this menu to change the hub's IP address, subnet mask, and default gateway address. The default values for these vari- ables are shown in the menu below.
  • Page 16 Restart Management Kit This menu is accessed by pressing 4 at the main menu. It allows you to reset the stack, which simulates the action of powering the stack of hubs off and then back on. This requires you to log in again. Resetting the stack will cause an interruption in Network traf- fic and some data may be lost.

  • Page 17: Snmp Configuration Menu

    SNMP Configuration Menu You can access the SNMP configuration menu by pressing 5 at the main menu. The Trap Receivers menu is a sub-menu of the SNMP configuration menu and can be accessed by press- ing T. Network Management Module Setup -------------------------------------------------- [1] SNMP Read Community: [2] SNMP Read/Write Community:...
  • Page 18 Trap Receivers Sub-Menu Once inside the trap menu, you can add, delete, or change entries on the table. A sample menu is shown below. Network Management Module Setup -------------------------------------------------- Entry Address -------------------------------------------------- [1] 192.168.0.100 PUBLIC [2] 192.168.0.34 [3] 192.168.0.76 [A] Add New Table Entry [D] Delete Table Entry [X] Exit Press a number (1-3) to change an existing table...

  • Page 19: Port Management Menu

    You can access the port management menu by pressing 7 at the main menu. Use this menu to set the speed of any particular port or multi- ple ports on any hub in the stack. You can also partition any port in the stack. The menu looks like this:...
  • Page 20 Enter the ID number of the hub to configure, or X to Exit: _ The find a hub's unit number, start with Unit 1 at the top of the stack and count downwards. In a stack of 6 StackPro II hubs, Unit 1 is on the top and Unit 6 is on the bottom.
  • Page 21 For example, if you are using a 24-Port StackPro II hub with a fiber module, the fiber module will be listed as port 25. The modules are fixed at 100Mbps and cannot be set to different speeds.
  • Page 22 Select one port number .. <1..24, X for Exit> By keying in the port ID number of the particular port on the hub, you can toggle the port's partition status. If you are using fiber optic distance extender modules, they will appear at the end of the port list.

  • Page 23: Firmware Update

    By pressing U at this menu, you will begin the update process. You should download the latest firmware upgrade from the Linksys FTP site and save it to the terminal PC’s hard drive before performing the upgrade. Check the Linksys web site for information about the current firmware version for the SNMP module.

  • Page 24: Modify Password

    Modify Password Use this command to change the passwords used for entry into the management interfaces at different security levels. Save Current Settings This command will save the variables that you have defined to the SNMP module's EEPROM. All of your settings will be saved in the process.

  • Page 25: Restore Defaults

    Restore Defaults This menu will allow you to completely reset all of the vari- ables on your SNMP module to the factory defaults. Network Management Setup Restore Default Values -------------------------------------------------- WARNING: Pressing [R] below will replace the stack configu- ration back to its original factory settings. [R] Restore Default Values [X] Exit Press R to Restore factory settings or X to Exit:...

  • Page 26: Using The Web Interface

    Java, frames, and HTML 3.2 or higher will do the trick). Simply launch your browser anywhere on the network and type the IP address of the hub into the browser’s address win- dow. The most information will be viewable if you leave your...

  • Page 27: Password Authentication

    This is the unit that has Hub ID #1. The Picture of Your Hub You will notice that the picture of the hub at the top of your screen looks exactly like the phsyical front panel of the StackPro II 10/100 Dual Speed hub that you are managing.
  • Page 28 If a field is shown in blue, then the value can be changed. Variable fields such as passwords, names, and the hub IP address can be changed. Simply click your mouse on the field that you’d like to change and enter the new information.
  • Page 29 Name Location You can change the contact, unit name, and location settings for the SNMP managed device. displays the version of Linksys firmware that you are using in your SNMP module displays the version of the web interface that you are using to access the SNMP...
  • Page 30 The port status menu will only display 8 ports at a time. You can go to the next or previous set of 8 ports on your StackPro II Hub by simply clicking on the buttons marked Next and Previous at the bottom of the display.
  • Page 31 This will cause a temporary disruption in the LAN communication through the hub. A system reset will clear all of the data col- lected in the RMON layer 1 and Port Statistics menus.
  • Page 32 Setup, and Trap Receivers. Click on which ever sub-menu you would like to modify. Network Configuration In the network configuration menu, you can change the values of the network information for your hub’s management unit. All fields except the MAC address can be changed. MAC Address IP Address...
  • Page 33 SNMP Community Setup Click on the SNMP community setup menu under the System Setup heading to view and change the community settings. The community fields basically allow you to give unique names to to your Read Only and Read & Write access levels. The default name for the Read Only community is public.
  • Page 34 Trap Receiver Setup If you are running performance tests on your managed stack of hubs, you can configure your SNMP module to send the test results to a specific IP address on the network. Trapping is useful for determining the cause of collisions, data loss, and isolating and studying any number of network or networked application performance statistics.

  • Page 35: Rmon Statistics

    There are nine levels, or layers, that an RMON application can collect information about. The current firmware version on the Linksys StackPro II SNMP module supports layer 1, the statistical layer. Later firmware versions will support other RMON layers.
  • Page 36 The RMON Statistics will provide the following performance information for the hub you have chosen: Octets Receive Packets Good Broadcast Packets Good Multicast Packets CRC-Align Error Packets Undersize Packets Oversize Packets Fragment Packets displays the total number of octets received, including good and bad octets.
  • Page 37 1,518 octets long. displays the total number of collisions on the hub that you are viewing. displays the number of good and bad packets that were 64 octets long. packets that were between 65 and 127 octets long.
  • Page 38 Submit. To change the hub that you are viewing, choose a hub from the stack and click on its location in the picture of the stack in the frame at the top of the browser window.
  • Page 39 Alignment Error Frame Too Long Short Events Runts Collisions Late Events Very Long Events Data Rate Mismatch displays the number of packets that had FCS errors and were also of invalid length. displays the total number of packets that were longer than 1,518 octets. displays the total number of events that had bit time values of 82 or less.
  • Page 40 Auto Partition Source Address Change Broadcast Packets Multicast Packets The following statistics apply only to ports running at 100Mbps Isolates Symbol Errors displays the number of times that the port has been auto-partitioned due to exessive errors. displays the number of times that the transmission source address for the port has changed.
  • Page 41 Always save your configuration after you change passwords or system settings information. Getting Help This menu option provides a link to the Linksys web site. In the technical support pages for the StackPro II Hub SNMP module, you will find the latest version of this user guide, as well as pertinent information about feature changes, common errors, and quick solutions to common problems.
  • Page 42 : / / w w w. l i n k s y s . c o m © Copyright 1999 Linksys, All Rights Reserved. Printed in the USA.

This manual is also suitable for:

Dshub24 - etherfast stackpro ii hub

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