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Intel Express 10/ 100 Stackable Hub Management Module User Guide.
Copyright © 1997, Intel Corporation. All rights reserved. Intel Corporation, 5200 NE Elam Young Parkway, Hillsboro OR 97124-6497 Intel Corporation assumes no responsibility for errors or omissions in this manual. Nor does Intel make any commitment to update the information contained herein.
1 1. Turn off the power. Unscrew and remove the panel from an expansion slot on the Express 10/100 Stackable Hub. 2. Plug the Management Module into a slot, using the retaining screws to secure the module to the hub. 3. Set the IP configuration (none is assigned by default).
3 3 Contents Chapter 1 Overview of Hub Management 5 Managing multiple hubs .................................................................................................................... 6 Hub numbering ...........................................
4 Screen definitions (continued) Top Traffic Generators screen ................................................................................................. 41 Utilization and Collision History screen ..............................................
5 Ov ervie w of Hub Management Hubs themselves are rarely the cause of problems on the network. However, since hubs are the center point for many devices on the network, it’s a good place to start looking for problems. There are four categories of management tasks: • Configuring the hub or stack of hubs.
6 Mana ging m ultiple hubs To manage multiple hubs, you must stack them using Intel Cascade Cables. 100 Mbps 100 Mbps 10 Mbps 10 Mbps Connecting hubs with Intel Cascade Cables allows you to manage both 10 and 100 Mbps hubs with a sin g le Mana g ement Module.
7 Collision domain assignments All hubs running at the same speed in the stack belong to the same collision domain. In the example below, all devices (PCs, print servers, and so on) connected to hubs 1 and 2 share 100 Mbps of bandwidth. All devices connected to hubs 3 and 4 share 10 Mbps of bandwidth.
8 LCD men u tree IP address: 000.000.000.000 Subnet Mask: 000.000.000.000 Default Gateway: 000.000.000.000 Stats Config Manual BootP Traps About IP Addr= Subnet= MAC Addr= Version= RS232= Help Press Stats to view domain or port statistics. Press Traps to view SNMP trap messages.
9 Using the LCD Navigating The Management Module has four buttons and an LCD display, which you can use to display information about your network or to make changes to the module, hub, or stack.
10 Changing the LCD contrast You can change the contrast so the display is viewable from different angles. For example, if the management module is located in a hub at the top of a rack. • Make sure the Main menu is displayed with the Stats item flashing.
11 3 Use the arrow keys to step through the different stats —packets, collisions, auto-partitions, alignment errors, frames too long, runts, very long events, rate mismatches, late collisions, FCS errors, short events. While viewing a statistic, you can update by pressing .
12 Text: User-defined text set via SNMP through LANDesk Network Manager or Device View for Web. Up to 32 characters can be displayed on the LCD. Address: The current IP address of the Management Module. 4 Choose Yes if you want the management module to sleep now or No to return to the Config menu.
13 Using the Console Manager Accessing with the serial port 1 Use the enclosed null modem cable to connect the serial port of your PC to the serial port of the Management Module. 2 Open a terminal emulation program (such as HyperTerminal in Microsoft Windows* 95).
14 Accessing with T elnet Telnet lets you access the Management Module in-band (over the network). To use Telnet: 1 Make sure an IP address is assigned to the Management Module. See pages 11 or 19 for instructions. 2 Open a Telnet application. In Windows 95, select Run from the Start Menu.
15 Navigating See below for navigation tips. On the top screen (see the next page) you can press the number of the menu item to select it. For example, selecting 1 will display the System Configuration screen.
16 T op screen (main) The Top screen is the starting point for all other Console Manager screens. Type the number of a screen to display it (for example, pressing 4 displays the Port Statistics screen). Or use the WZ arrow keys and E to display the menu.
17 System Configuration screen Location Top screen 1. System Configuration Uses Name : Assigns a name to the entire system (Management Module plus all hubs in the stack). You can use up to 255 characters. This sets the value for Name in the LCD sleep mode (see page 11).
18 Contact: Assigns a contact person or phone number to the entire system (Management Module plus all hubs in the stack). You can use up to 255 characters. This sets the value for Contact in the LCD sleep mode (see page 11). The LCD displays only the first 16 characters.
19 Local IP Configuration screen Location Top screen 1. System Configuration <IP configuration> <Configure IP locally> Uses Management Module MAC address: Displays the unique manufacturer-assigned hardware address. Current settings: Displays the IP configuration currently used by the Management Module.
20 IP address: The unique user-assigned network address for the Management Module. Subnet mask: Should match the subnet mask of other devices on your network. Default gateway: The IP address of the device that routes to different networks. Typically a router or routing server.
21 Remote IP Configuration screen Location Top screen 1. System Configuration <IP configuration> <Configure IP remotely (BOOTP)> Uses Management Module MAC address: Shows the unique manufacturer-assigned hardware address. To use BOOTP, you must enter this address into your BOOTP server.
22 Select disabled to have the Management Module use the IP configuration specified in the Local IP Configuration screen. • Choose <USE NOW> to reset the Management Module and find the BOOTP server immediately. You’ll have to log in again if you press <USE NOW> .
23 SNMP Configuration screen Location Top screen 1. System Configuration <SNMP configuration> Uses Current read community: Sets a password for viewing (not changing) the hub configuration. The string you define here must match the read community string defined in an SNMP application.
24 T rap Receiving Stations screen Location Top screen 1. System configuration <SNMP configuration> <Define trap receiving stations> Uses Enter the IP addresses of PCs with SNMP management applications (such as LANDesk Network Manager) installed.
25 Supported traps include: • notification of utilization exceeding a defined percentage or collisions exceeding a defined number (configurable in LANDesk Network Manager).
26 P o rt Configuration screen Location Top screen 2. Port configuration Uses Hub: Use AS or z to select the number of the hub in the stack. The hub at the top of the stack is number one. The location of the Management Module in the stack has no effect on hub numbering.
27 Port: Displays the port number on the hub selected in the Hub: field. Ports 13-Slot and 14-Slot on a 12-port hub refer to the two expansion slots. If you’re facing the hub, the left slot is port 13 and the right slot is port 14.
28 Collision Domain Statistics screen Location Top screen 3. Collision domain statistics Uses Update interval: Selects the time period between updates. For example, an Update interval of 5 sec. means the Console Manager collects and displays information from the Management Module every five seconds.
29 Collision domain: Selects which collision domain (10 or 100 Mbps hubs) to view. All hubs in the stack running at the same speed are in the same collision domain.
30 Frames too long: The number of frames detected that exceed the maximum permitted frame size of 1518 octets. Short events: The number of fragments detected with ActivityDuration less than ShortEventMaxTime (greater than 74 bit times and less than 82 bit times).
31 P o r t Statistics screen (traffic) Location Top screen 4. Port statistics Statistic: [traffic] Uses Hub: Use AS or z to select the number of the hub in the stack. The hub at the top of the stack is number one. The location of the Management Module in the stack has no effect on hub numbering.
32 Statistic: Use AS or z to select the type of port statistics you want to view. Errors is the other type of statistic option you can view. See page 33. Update interval: Use AS or z to select the time period between updates. For example, an Update interval of 5 sec.
33 P o r t Statistics screen (error s) Location Top screen 4. Port statistics Statistic: [errors] Uses Hub: Use AS or z to select the number of the hub in the stack. The hub at the top of the stack is number one. See page 18 for an example. Ports: Selects the range of ports to view.
34 Statistic: Use AS or z to select the type of port statistics to view. Traffic is the other type of statistic option you can view (see page 31). Update interval: Use AS or z to select the time period between updates. For example, an update interval of 5 sec.
35 Late events: The number of collisions detected after the allowable detection period. Usually indicates a network topology problem, such as daisy-chaining two Express hubs running at 100 Mbps with UTP cable (instead of Intel Cascade Cables in a stack), daisy-chaining too many hubs running at 10 Mbps, or using cables longer than 100 meters.
36 Netw ork Health Chec ks screen Location Top screen 5. Network health checks Uses Device Checks: Looks for connected devices that are operating at a speed opposite to the hub, or looks for cabling problems.
37 Wr ong Speed Device screen Location Top screen 5. Network health checks <Check for wrong speed devices> Uses Update interval: Use AS or z to select the time period between updates. For example, an update interval of 5 sec. means the Console Manager checks the Management Module every five seconds to see if it detected wrong speed devices.
38 Hub: Displays the hub number in the stack where the wrong speed device was found. The hub at the top of the stack is number one. Port: Displays the port number in the hub where the wrong speed device was found. Last MAC addr: Displays the hardware address of the most recent device that sent data on that port.
39 Wr ong Polarity Cabling screen Location Top screen 5. Network health checks <Check for wrong polarity cabling to devices> Uses Update interval: Selects the time period between updates.
40 Port: Displays the port number in the hub where the wrong polarity device was found. Last MAC addr: Displays the hardware address of the most recent device that sent data on that port. Problem: Displays what the problem is. In this screen, wrong polarity cabling between the device and the hub.
41 T o p T raffic Generator s screen Location Top screen 5. Network health checks <Top traffic generators> Uses View for the last: Selects the time period to look back on. Domain: Selects which collision domain (10 or 100 Mbps hubs) to view top traffic generating devices.
42 Update interval: Selects the time period between updates. For example, an Update interval of 5 sec. means the Console Manager checks the Management Module every five seconds for the list of devices that are generating the most traffic. <Scroll Down>/<Scroll Up> Moves up or down the list of top traffic generating devices.
43 Utilization and Collision Histor y screen Location Top screen 5. Network health checks <Utilization and collision history> Uses View for the last: Selects the time period to look back on. Domain: Selects which collision domain (10 or 100 Mbps hubs) to view.
44 Update interval: Selects the time period between updates. For example, an Update interval of 5 sec. means the Console Manager checks the Management Module every five seconds for updated information. Utilization Breakdown: Displays the amount of time the selected collision domain had a utilization percentage in the particular range.
45 Login, Security & Reset Options screen Location Top screen 6. Login, security, and reset options Uses Username: By default, no username is assigned. The one you specify here is used the next time you reset the Management Module or log out of the Console Manager.
46 Confirm new password: Ensures you entered what you thought you entered in the New password field. <Save login settings>: Saves any changes to the Login settings. The next time you reset the Management Module or log out and log in again, you must use the new settings.
47 About screen Location Top screen 7. About Uses IP address: Displays the Management Module IP address currently in use. Management Module MAC address: Displays the unique manufacturer-assigned hardware address. You can’t change the MAC address. Vendor name: Displays the Management Module manufacturer.
48 Product name: Displays the type of device the Management Module is supporting. Hardware version: Displays the Management Module’s hardware version. You can’t update the hardware version. It’s a good idea to write this information down and have it ready should you need to contact Intel Customer Support.
49 Logout screen Location Top screen 8. Logout Uses Returns to the login screen..
51 T echnical Inf orma tion Locating MIB files The following Management Module MIB files are located on the Intel Device View for Web CD in the MIB directory. • intel.mib • intelsys.mib • iee110.mib You can also download the MIB files from the Intel Customer Support Web site (http://support.
52 Hub Speed: 100 Mbps Consecutive collisions before auto-partition: 64 LCD Sleep mode: Off RS232 baud: 9600 Console Manager Communication parameters: 9600-8-N-1, no flow control Username: None assigned Password: None assigned Typing mode: Overstrike.
53 Limited Har dware W arranty Intel warrants to the original owner that the hardware product delivered in this package will be free from defects in material and workmanship for three (3) years follow.
54 Federal Communications Commission (FCC) Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
55 WARNUNG Das System wurde für den Betrieb in einer normalen Büroumgebung entwickelt. Der entwickelt. Der Standort sollte: · sauber und staubfrei sein (Hausstaub ausgenommen); · gut gelüftet und.
56 Index 10 Mbps collision domain 7 10 Mbps hubs, resetting 45 100 Mbps collision domain 7 100 Mbps hubs, resetting 45 13-slot, def inition 26 14-slot, def inition 26 A-C alignment errors vi e wing fo.
57 connecting serial port 13 T elnet 13 Console Manager, using 13 contact name, assigning 17 contrast control, LCD 10 ctrl+o hot ke y 15 customer support Inside bac k cover D-F dark ening the LCD disp.
58 installing, quick start 1 IP address assigning from LCD 11 assigning locally from Console Manager 19 assigning r emotely (BOO TP) 21 displaying current setting 19, 47 displaying in LCD sleep mode 1.
59 ports disabling/enabling 26 link status 26 vi e wing collision count 31 vi e wing frame count 31 vie wing octet count 31 vi e wing utilization percentage 31 po w er interruptions, notifying SNMP ap.
60 transmit pairs, wrong polarity 39 T rap Recei ving Stations scr een, displaying 24 traps def ining receiving stations 24 displaying in LCD sleep mode 11 types 24 vie wing fr om LCD 12 troubleshooti.
World Wide Web & Internet FTP Intel BBS Access Intel’s World Wide Web home page Use Intel’s Bulletin Board. Dial in by or download information using modem at 8-N-1, and up to 14.
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