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Cabletron Systems FN100 User Manual

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Summary of Contents for Cabletron Systems FN100

  • Page 1: User Guide

    TX RX TX RX TX RX TX RX Link Status Link Status USER GUIDE TX RX TX RX TX RX FN100-8 Select TX Act Ready Port Reset Status Mode RX Col Usr NMS Port Link Status 4 5 6 7 8...
  • Page 3 NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR...

  • Page 4: Fcc Notice

    Notice FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: 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.
  • Page 5 CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”) that sets forth your rights and obligations with respect to the Cabletron software program (the “Program”) contained in this package.

  • Page 6: United States Government Restricted Rights

    Notice UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects is proprietary data belonging to Cabletron and/or its suppliers.

  • Page 7: Table Of Contents

    OSI Compliance... 1-7 FN100 Architecture... 1-8 1.5.1 Store and Forward Switching... 1-8 1.5.2 Spanning Tree Algorithm ... 1-9 1.5.3 FN100 Bridge Address Table ... 1-9 FN100 Applications ... 1-11 1.6.1 Server Farms ... 1-11 1.6.2 High-Performance Workgroups ... 1-12 1.6.3 Backbones ...
  • Page 8 Local Console Manager Overview ...2-6 Command Syntax Conventions ...2-6 2.6.1 Basic LCM Commands...2-7 2.6.1.1 2.6.1.2 2.6.1.3 2.6.1.4 Connecting the FN100 to the Network ...2-9 2.7.1 Punch-Down Block and Patch Panel Connections...2-9 2.7.2 Direct Device Connections ...2-9 2.7.3 Wiring Considerations ...2-10 CHAPTER 3 CONFIGURING THE FN100 Assigning IP Addresses ...3-2...
  • Page 9 Using LCM to Check FN100 Status... 4-6 4.3.1 Displaying Status ... 4-6 4.3.2 Displaying MAC Addresses ... 4-8 4.3.3 Displaying Manufacturing Information ... 4-11 Using LCM to Manage the FN100 ... 4-12 4.4.1 Disabling a Port ... 4-12 4.4.2 Enabling a Port ... 4-13 4.4.2.1 4.4.3 Changing a Subnet Mask ...

  • Page 10: Appendix Atechnical Specifications

    Contents APPENDIX A TECHNICAL SPECIFICATIONS FN100 Specifications ... A-1 Types/Connectors ... A-3 Cable Specifications ... A-3 A.3.1 10BASE-T Cable Specifications ... A-3 A.3.2 100BASE-TX Cable Specifications... A-4 A.3.3 100BASE-FX Cable Specifications... A-4 Management Cable Pin Assignments ... A-5 10BASE-T and 100BASE-TX Pin Assignments... A-5 A.5.1...

  • Page 11: Chapter 1 Introduction

    FN100. • Chapter 2, Unpacking and Installing the FN100, describes the FN100 front panels, how to install the FN100, how to initiate an LCM session, and how to connect the FN100 to the network. • Chapter 3, Configuring the FN100, provides instructions for configuring the FN100 using LCM.

  • Page 12: Getting Help

    IP address to execute the command: <IPADDR> FN100 >ipaddr 6 192.138.217.40 Field value options appear in bold typeface. For example, FN100 bridging options include off, on, and noBPDU. Page 1-2 (603) 332-9400 Monday – Friday; 8 GO CTRON from any ! prompt support@ctron.com...

  • Page 13: Related Documentation

    Marshall T. Rose, Prentice Hall © Second Edition, 1994. 1.4 OVERVIEW The FN100 is an intelligent Fast Ethernet switch that supports 10 Mbps or 100 Mbps connectivity on up to 16 ports over Category 5 Unshielded Twisted Pair (UTP), and 100 Mbps over 62.5/125 micron Multimode...
  • Page 14 (MM) fiber. The FN100 is available in the four configurations shown below. TX RX Link Status Figure 1-1 8 TX Ports and 1 Redundant FX (Fiber Optic) Port (FN100-8) Link Status Link Status Figure 1-2 16 TX Ports and 2 Redundant FX Ports (FN100-16)

  • Page 15: Overview

    • Implements the Spanning Tree protocol (802.1d). • Comes with factory-set defaults for plug-and-play capability. In addition, the FN100 offers features that can help you manage and maintain your network, such as: • Configuration and management using the Simple Network Management Protocol (SNMP) with either an in-band or out-of-band connection.

  • Page 16: Osi Compliance

    The Open System Interconnection (OSI) Reference Model, developed by the International Standards Organization (ISO), identifies the levels of functionality inherent in each of its seven layers. The FN100 operates at the Media Access Control (MAC) sub-layer of the Data Link layer.

  • Page 17: Fn100 Architecture

    FN100 Architecture 1.5 FN100 ARCHITECTURE The FN100 is based on an architecture that utilizes a high speed switch engine coupled with an AMD 29200 RISC processor for management functions. This architecture provides an efficient mix of optimal performance and intelligence.

  • Page 18: Spanning Tree Algorithm

    Consequently, the FN100 knows the address and associated segment number the next time it sees that address. By using the information stored in the Bridge Address Table, the FN100 is able to quickly forward each packet to the correct LAN segment.
  • Page 19 A single port number of the LAN on which the address resides • Trunk group information • Virtual switch information The FN100 stores over 8,000 dynamic (learned) entries in its Bridge Address Table. Fast Network 100 User Guide FN100 Architecture Page 1-9...

  • Page 20: Fn100 Applications

    Chapter 1: Introduction 1.6 FN100 APPLICATIONS The FN100 provides the network designer with complete flexibility and has many applications including: • Server farms • High-performance workgroups • Backbones 1.6.1 Server Farms Figure 1-6 Using the FN100 to Create Server Farms As shown in Figure 1-6, the FN100 replaces conventional Ethernet 10BASE-T hubs and switches to provide each fileserver a dedicated 100...

  • Page 21: High-Performance Workgroups

    As workstation performance continues to grow, Fast Ethernet switching is the perfect choice for addressing the new bandwidth requirement. Providing the most cost-effective bandwidth compared to other high-speed technologies, the FN100 provides dedicated 100 Mbps to each workstation. In addition, the FN100 provides the flexibility of allowing workstations with 10BASE-T adapters to be combined in the same workgroup, as shown in Figure 1-7.

  • Page 22: Backbones

    Figure 1-8. The FN100 provides the increased bandwidth required to “inter-switch” the existing Ethernet and Token Ring switches. Figure 1-8 Using the FN100 in the Backbone 1.7 FN100 CONFIGURATIONS This section describes the ways in which the FN100 can be configured in your network, including • Trunking configurations •...

  • Page 23: Trunking Configurations

    1.7.1 Trunking Configurations If your network configuration requires you to connect two or more FN100 switches together, but the applications you are running over the network require more than 100 Mbps of bandwidth per connection, you can use the built-in trunking feature to increase bandwidth up to 800 Mbps, without installing additional hardware on your network.

  • Page 24: Trunking Configuration Examples

    Ethernet concentrator. 1.7.1.1 Trunking Configuration Examples The FN100 allows multiple trunk groups with up to eight ports each to be connected between the FN100 and other network devices. This capability provides a scalable dedicated bandwidth of up to 800 Mbps.

  • Page 25: Virtual Switch Configurations

    FN100 and non-Cabletron Systems devices that do not support trunking. You can define up to four virtual switch groups, and assign any of the FN100 ports to one of these virtual switch groups. The virtual switch capability breaks the address table into a separate table for each virtual switch that is defined.

  • Page 26: Virtual Switch Configuration Examples

    Chapter 1: Introduction 1.7.2.1 Virtual Switch Configuration Examples Figure 1-12 shows a 16-port FN100 configured as two virtual switches, each attached to a separate non-Cabletron Systems device. Host Connection Non-Cabletron Systems Router Switch 1 Figure 1-12 FN100 Virtual Switch Configuration Example #1 Figure 1-13 shows the FN100 configured as four virtual switches and...

  • Page 27: Workgroups

    FN100 Configurations 1.7.3 Workgroups The FN100 allows you to define ports for logical groups of associated hosts to create workgroups. Workgroups provide an efficient flow of traffic across an Ethernet network by enabling you to limit broadcasts to logical domains within the network. The FN100 recognizes Workgroup...
  • Page 28 Chapter 1: Introduction Page 1-18 Fast Network 100 User Guide...

  • Page 29: Unpacking And Installing The Fn100

    UNPACKING AND INSTALLING THE FN100 Carefully unpack the FN100 from the shipping carton and inspect it for possible damage. If any damage is evident, contact Cabletron Systems. The shipping carton contains: • The FN100 device • Console cable kit •...

  • Page 30: Table-Mounting The Fn100

    Figure 2-1 FN100 16-Port Twisted Pair and Fiber Front Panels 2.2 POWER SWITCH The power switch is located on the back panel of the FN100. The power is ON when the rocker switch is set to 1. 2.3 INSTALLING THE FN100 The FN100 can be either table-mounted or rack-mounted.

  • Page 31: Rack-Mounting The Fn100

    Circuit Overloading Grounding (Earthing) The FN100 can be rack-mounted in a standard 19-inch equipment cabinet (EIA RS310C). To mount the FN100 in a rack assembly, apply the following steps: 1. Attach the rack-mount brackets to either side of the FN100 chassis.

  • Page 32: Checking The Power-Up Diagnostics Sequence

    Fasteners Figure 2-3 Rack-mounting the FN100 4. Once the FN100 is installed, plug the AC power cord into the AC power connector on the rear of the FN100 chassis. Plug the other end of the power cord into a three-prong grounded outlet.

  • Page 33: Connecting The Local Console Manager

    ASCII terminal or to your terminal emulator. 2. Set the terminal to 9600 baud, 8 data bits, 1 stop bit, and no parity. 3. Press the Enter key several times. If the FN100 is operational, LCM responds with the following prompt: FN100 >...

  • Page 34: Local Console Manager Overview

    2.5 LOCAL CONSOLE MANAGER OVERVIEW The Local Console Manager (LCM) is a command-line interface built into the FN100 that enables you to monitor, manage, and configure the FN100 through the out-of-band RS232C connection on the front panel attached to any non-intelligent terminal.

  • Page 35: Basic Lcm Commands

    [ ], for example: Type:[Entry] (Entry/Exit)> 2.6.1 Basic LCM Commands To manage the FN100 using LCM, you first must connect the FN100 to an ASCII terminal or terminal emulator. See Section 2.4, Connecting the Local Console Manager for instructions.

  • Page 36: Help

    [SW#] [EDIT_MODE [PORTS]] workgroup [NAME [delete | PORTS [TYPE]]] 2.6.1.2 erase Use the command to erase the current FN100 configuration and erase return to factory defaults. This sets the IP address on Port 1 to (default) when the FN100 is rebooted.

  • Page 37: Connecting The Fn100 To The Network

    FN100. 2.7.1 Punch-Down Block and Patch Panel Connections For each network device you connect to the FN100 through a punch-down block or patch panel, do the following: 1. Connect one end of the 10BASE-T, 100BASE-TX, or 100BASE-FX cable to the network interface card on the device.

  • Page 38: Wiring Considerations

    Chapter 2: Unpacking and Installing the FN100 2.7.3 Wiring Considerations Each port on the FN100 has built-in internal crossovers. If the network device you are connecting to the FN100 has an internal crossover design, use an internal crossover cable. If the device you are connecting has a straight-through design, use a straight-through cable.

  • Page 39: Configuring The Fn100

    However, if you want to use any of the FN100 advanced functions, such as workgroups, you must first assign an IP (Internet Protocol) address to any of the ports on the FN100 that you use to communicate with a Simple Network Management Protocol (SNMP) manager.

  • Page 40: Assigning Ip Addresses

    IP would set the IP address of Port 6 command on page 3-3. to erase the current FN100 configuration sets 192.0.2.1 Fast Network 100 User Guide (default) when the...

  • Page 41: Displaying Ip Addresses

    3.1.1 Displaying IP Addresses Use the command to display IP addresses, subnet masks, and ipaddr MAC addresses of all ports on the FN100 you are configuring. LCM displays the current IP address table, for example: FN100 > ipaddr Port IP Address 198.113.121.149...

  • Page 42: Setting Port Speed

    Mbps for each port. The options include: • auto - (default) Allows the FN100 to auto-detect the maximum bandwidth available for the port(s) based on the existing connection. • 10 - Lets you manually set the bandwidth for specified port(s) to 10 Mbps (excluding ports with 100BASE-FX connections).

  • Page 43: Enabling Bridging

    Selecting the noBPDU option could make your network NOTE inoperable because the FN100 would be unable to detect loops. Use the bridge <PORTS <{off|on|noBPDU}>> for a port or port range. For example, to turn on bridging for port 2: FN100 >...

  • Page 44: Trunking

    Group. You can create several Trunk Groups to interconnect your FN100 switches. Each FN100 can have up to eight Trunk Groups. For example, if you have three FN100 switches (A, B, and C), as shown in Figure 3-1, you could connect them using a single Ethernet segment.
  • Page 45 If Switch A is handling only a small number of users, the A to B Trunk Group could have just two ports per FN100. If Switches B and C are expected to interconnect many users, you could use up to eight ports in the B to C Trunk Group.

  • Page 46: Disabling Trunking

    Group as a single 802.1D Spanning Tree port. 802.1D Spanning Tree takes about thirty seconds to resolve which FN100 ports are to become forwarding ports. As ports within a Trunk Group become forwarding ports, traffic within the Trunk Group is momentarily halted to guarantee the first-in, first-out ordering of the Ethernet packets.
  • Page 47 However, the forwarding of data packets is temporarily suspended to allow for a change in the membership of the Trunk Group. Use the status <PORTS> for trunking. FN100 > status 1 LCM responds: Port Status Bridging: Transparent Bridging Enabled/Disabled: Enabled, Rip listening...

  • Page 48: Defining And Deleting Virtual Switches

    3.9 DEFINING AND DELETING VIRTUAL SWITCHES The FN100 can be configured as a collection of virtual switches. You can define up to four virtual switch groups, and assign any of the FN100 ports to one of these virtual switch groups.

  • Page 49: Displaying Virtual Switch Information

    3.9.2 Creating and Modifying Virtual Switches Use the vswitch <SW#> create <PORTS> switch consisting of the specified port(s). For example: FN100 > vswitch sw1 create 2-5 LCM responds: Virtual Switch: Sw1: 2,3,4,5 Since all ports are assigned to SW1 by default, assigning NOTE specific ports to SW1 will disable bridging capabilities for the...

  • Page 50: Defining And Deleting Workgroups

    Virtual Switch: Sw1: 5,6,8 3.10 DEFINING AND DELETING WORKGROUPS The FN100 allows you to define logical groups of associated hosts to create workgroups that provide a more efficient flow of traffic across your Ethernet network. Workgroups offer you the ability to limit broadcasts to logical domains within the network.
  • Page 51 For example: FN100 > workgroup a 2-6 Figure 3-2 shows the FN100 with two defined workgroups (A and B). Workgroup A uses ports 1 through 3, and workgroup B uses ports 5 and 7. Port 11 connects a segment that contains both workgroup A and...

  • Page 52: Local Address Filtering

    This option provides optimal buffer utilization, but with limited observability into packet error statistics. You would most likely use this option if you were connecting the FN100 to devices such as concentrators. software - local address filtering performed by software. This option is a good choice when you want greater observability of packet error statistics, and in environments with less local traffic.

  • Page 53: Assigning A Community Name

    filtering of local traffic is being performed by hardware or software. For example, to set the software to perform local traffic filtering for ports 6-8: FN100-fesw> localfilter 6,7,8 software Usage: localfilter [PORT-RANGE [hardware | software]] Port 6 - Filtertype : Software...

  • Page 54: Configuring Multicast Storm Protection

    NMS for configuration instructions. For example, if you configure the FN100 to transmit onto Port 3 no more than five multicasts per 60 seconds, any multicasts destined for Port 3 are discarded after the first five multicasts. After 60 seconds have elapsed, another five multicasts to Port 3 will be allowed.

  • Page 55: Modifying Mib Variables

    DisplayString is a string of ASCII characters. 3.14.1 System Contact The system contact parameter identifies the contact person who is responsible for operating the FN100. Typically, this parameter includes the person’s name, company or division name, and telephone number. sysContact - {system 4} DisplayString (SIZE (0..255))

  • Page 56: System Name

    Chapter 3: Configuring the FN100 3.14.2 System Name The system name is a name assigned to the FN100 by the network administrator. By convention, the system name is the fully qualified domain name. (This name then becomes the LCM prompt.) sysName - {system 5} DisplayString (SIZE (0..255))

  • Page 57: Get Password

    (or older than five minutes if you are using the default). Typically, there is no need to set the aging time to a very small number because the FN100 Bridge Address Table supports over 8000 addresses.
  • Page 58 Chapter 3: Configuring the FN100 Page 3-20 Fast Network 100 User Guide...

  • Page 59: Monitoring And Managing The Fn100

    Monitoring the FN100 consists of collecting and analyzing statistics and system status information. You can use the Select button on the front panel of the FN100 to monitor segment status on any of the Ethernet ports. See Status and Activity Indicators in Chapter 5 for a description of the status options.

  • Page 60: Gathering Statistics

    4.2.1 Gathering Statistics For purposes of network management, managed objects, such as the FN100, must be identified. Creation of a managed object is achieved by placing its identifier, and a set of management information appropriate to its class, in the Management Information Database (MIB).

  • Page 61: Ethernet Port Statistics

    Ethernet statistics help you analyze network activity and utilization, and in some cases, indicate faulty equipment or cabling. For each Ethernet port connection on the FN100, the following statistics are available: • The number of packets received from the port.

  • Page 62: Snmp Statistics

    • The number of packets transmitted with multiple collisions. • The number of RX and TX collisions. All statistics counters are cleared when the FN100 is reset or NOTE when Ethernet ports are re-enabled. 4.2.4 SNMP Statistics The following statistics relate specifically to SNMP. The Management Information Base (MIB) variable that collects the statistics is provided in square brackets.

  • Page 63: Using Lcm To Check Fn100 Status

    The total number of SNMP GetResponse PDUs created. snmpOutGetResponses • The total number of SNMP Trap PDUs created. [ 4.3 USING LCM TO CHECK FN100 STATUS The LCM commands that enable you to quickly check on the status of the FN100 include: •...

  • Page 64: Displaying Status

    You can also use the NOTE individual Ethernet ports by typing number. For example, to display status information for all FN100 ports: FN100 > status LCM displays: Software Currently Running: FN100 Mon 11/13/95 09:01:21 Next Bootstrap (2nd bank) : FN100...
  • Page 65 Port RX Packets 179539521 179529809 179525816 179524026 179585909 179515393 Fast Network 100 User Guide Using LCM to Check FN100 Status TX Packets 215252 83296 83296 83289 172032 82167 Collisions Erred Packets 1492 1258 1029 Page 4-7...

  • Page 66: Displaying Mac Addresses

    Chapter 4: Monitoring and Managing the FN100 You can continue to press the Return key to display status information for each individual port. Port Status Bridging: Transparent Bridging Enabled/Disabled: Enabled, Rip listening Spanning Tree: Forwarding Trunking State: Off Speed: auto (10)
  • Page 67 Use the address display <ADDR> For example: FN100 > address display 02:04:06:03:2a:43 LCM displays: Address 02:04:06:03:2a:43 Fast Network 100 User Guide Using LCM to Check FN100 Status command to display all MAC addresses. Type Port Port Port Port Port Port...
  • Page 68 Chapter 4: Monitoring and Managing the FN100 Use the address display <ADDR> <MASK> addresses using a net mask. This is helpful when determining the status associated with stations containing the same make of Ethernet network interface cards. For example, to see all addresses that begin with 02:04:06, you would enter: FN100 >...

  • Page 69: Displaying Manufacturing Information

    Power-up test codes: MP: 00000000 00000000 00000000 Port Port Port Port Port Port Port Port Fast Network 100 User Guide Using LCM to Check FN100 Status Address Mask 255.255.255.0 255.0.0.0 255.0.0.0 255.0.0.0 255.0.0.0 255.0.0.0 255.0.0.0 255.0.0.0 X00002e4-0505590 1: 00000000 00000000 00000000...

  • Page 70: Using Lcm To Manage The Fn100

    Port 9: Disabled Once an Ethernet port is disabled, it will remain disabled until you enable it again. Resetting the FN100 will not enable a port that has been disabled. Page 4-12 command to disable a port, or port range. For...

  • Page 71: Enabling A Port

    FN100 build an accurate, current routing table. This table includes the networks it knows about, the next hop, and the number of hops to get there. RIP enables you to use an NMS to remotely manage the FN100 through a router.

  • Page 72: Changing A Subnet Mask

    You can optionally set the subnet mask for a port. A subnet mask is a 32-bit address mask used in IP to specify a particular subnet. If the subnet mask is omitted, the FN100 automatically uses the standard default, based on the port’s IP address class. (Class A address masks are 255.0.0.0, Class B address masks are 255.255.0.0, Class C address masks are...

  • Page 73: Setting The Baud Rate

    <BAUD-RATE> example, to change the baud rate to 4800: FN100 > baud 4800 LCM responds: Baud rate is 4800 Fast Network 100 User Guide Using LCM to Manage the FN100 command to change the baud rate setting. For Page 4-15...

  • Page 74: Setting A Reboot Time

    Chapter 4: Monitoring and Managing the FN100 4.4.6 Setting a Reboot Time Use the reboot <SECONDS|off> the FN100 waits before rebooting. For example, to set the reboot time interval to 60 seconds: FN100 > reboot 60 LCM responds: System will be reset in 60 seconds.

  • Page 75: Chapter 5 Fn100 Diagnostics And Troubleshooting

    • Automatic reset in response to a non-recoverable failure The power-up diagnostics tests processors, memory, and other critical hardware components of the FN100. All diagnostic software is stored in non-volatile memory (EPROM and FLASH). 5.1.1 Power-Up LED Sequence When you power-up the FN100, the following occurs: 1.

  • Page 76: Specific Power-Up Tests

    The operational parameters of the FN100 software are also protected by a checksum comparison. When the FN100 reboots, if the operational parameters of the FN100 fail a checksum test due to a power failure in the midst of a previous update, the FN100 automatically uses its backup version of the parameters.

  • Page 77: Power-Up Diagnostics Results

    5.1.4 Power-Up Diagnostics Results After completion of the power-up diagnostic sequence, both the Power (Pwr) and Ready LEDs located on the front panel of the FN100 should be 5.2 RESPONSES TO FAILURES AT POWER UP How the FN100 responds to failures detected during power-up depends on the seriousness of the failure.
  • Page 78 Port Status Mode Ready If the Ready LED continues to blink after power-up diagnostics are complete, it could mean the FN100 is overheating. Use the CAUTION LCM status command to verify. Table 5-2 describes how to interpret FN100 port LEDs...

  • Page 79: Troubleshooting

    5.4.1 FN100 Does Not Power Up If your FN100 does not power up, check each one of the following: • Make sure the power switch is set to 1 (on).

  • Page 80: Power Supply Fuse

    The power supply contains a 3.15 ampere 250 V slow-blow fuse located immediately above the three-prong power input connector on the back of the FN100. If you think this fuse may have blown, inspect it for visible damage and replace it if necessary.

  • Page 81: Fn100 Has Rebooted

    Check the port status using LCM. • Check to see if the Spanning Tree topology is stable using LCM. • Check that a pathway to the FN100 exists. • Verify the FN100 IP address using LCM. • Verify the FN100 routing table using LCM.
  • Page 82 Chapter 5: FN100 Diagnostics and Troubleshooting Page 5-8 Fast Network 100 User Guide...

  • Page 83: A.1 Fn100 Specifications

    TECHNICAL SPECIFICATIONS A.1 FN100 SPECIFICATIONS Physical Height Width Depth Weight Installation options Electrical Input voltage Frequency AC power consumption Connector Ports • 10BASE-T: RJ45 (MDI-X) using UTP cable, EIA/TIA Cat. 3, 4, 5 • 100BASE-TX: RJ45 (MDI-X) using UTP cable, EIA/TIA Cat. 5 •...
  • Page 84 Appendix A: Technical Specifications Standards • IEEE 802.1 Part D (Spanning Tree) • IEEE802.2 (Logical Link Control) • IEEE 802.3 (CSMA/CD, 10BASE-T), 802.3u • 10BASE-T, 100BASE-TX, 100BASE-FX • Transparent Bridging with Spanning Tree • Ethernet Version 2 • EIA RS232C (DTE-to-DCE Interface Specification) •...

  • Page 85: A.3 Cable Specifications

    A.2 TYPES/CONNECTORS Depending on the type of FN100 you’re using, you’ll need to use specific cables, as described in the IEEE 802.3u specification, shown in the table below: Table A-1 Cable Types and Connectors Cable 10-BASE-T Twisted-Pair (UTP) 100BASE-TX Twisted-Pair (UTP)

  • Page 86: 100Base-Tx Cable Specifications

    Appendix A: Technical Specifications A.3.2 100BASE-TX Cable Specifications Table A-3 100BASE-TX Twisted-Pair Cable Specifications 100BASE-TX Twisted-Pair Cable Specifications Type Number of Pairs Max. Link Segment Length Min. Link Segment Length Max Number of Attachments A.3.3 100BASE-FX Cable Specifications Table A-4 100BASE-FX Duplex Fiber Cable Specifications 100BASE-FX Duplex Fiber Cable Specifications Type Max.

  • Page 87: Management Cable Pin Assignments

    FN100 has a straight-through design, use a straight-through cable. See Section A.6, Straight-Through Wiring. If the network device you are connecting to the FN100 has an internal crossover design, use an internal crossover cable. See Section A.7, Crossover Wiring.

  • Page 88: A.5.1 Connectors

    Appendix A: Technical Specifications A.5.1 Connectors Refer to the diagram below and note how the pins are numbered. Be sure to hold the connectors in the same orientation when connecting the wires to the pins. Figure A-1 Connector Pin Numbers Each twisted-pair cable must have a male connector attached to both ends.

  • Page 89: A.7 Crossover Wiring

    3 (Rx+) 6 (Rx-) A.7 CROSSOVER WIRING If you are connecting the FN100 to a device that also has an internal crossover design, a crossover must be implemented in the wiring, as shown in Table A-8. Table A-8 Crossover RJ45 Wiring Configuration...
  • Page 90 Appendix A: Technical Specifications Page A-8 Fast Network 100 User Guide...

  • Page 91: Appendix Bglossary

    A database of device addresses and their associated ports maintained by a switch or bridge for use in making data packet forwarding and filtering decisions. agent Network management software that runs within a managed network device.
  • Page 92 Appendix B: Glossary backbone The major, central transmission path for a network. A backbone usually handles high-volume, high-density traffic. Typically a backbone connects various LANs into an integrated network. bandwidth A measure of the amount of traffic a given medium can handle at one time: The communications capacity (measured in bits per second), of a transmission line or of a specific path through a network.
  • Page 93 An address “learned” by the FN100, as opposed to addresses that are manually entered into the Bridge Address Table. The FN100 “learns” addresses by reading them from the data packets it processes.
  • Page 94 The rate (in packets per second) at which the FN100 receives a stream of packets from one network segment, completes all processing, and transmits the packets to another network segment.
  • Page 95 Transition of a device or network from startup state to operational state. intelligent bridge/switch A bridge/switch that is able to identify source and destination addresses. internet A large communications infrastructure composed of wide and local area networks. A generic reference to a network built using internetworking technology.
  • Page 96 Appendix B: Glossary internetworking The linking of one or more networks to facilitate communication across networks. interoperability The ability of equipment from multiple vendors to exchange information using standardized protocols. IP (Internet protocol) IP is the basic datagram protocol used at the network layer of the TCP/IP stack.
  • Page 97 1 million bits per second. MIB (management information base) A collection of objects unique to a specific device that can be accessed via a network management protocol. The FN100 has its own MIB. multicast Packets destined for more than one address.
  • Page 98 Appendix B: Glossary packet A group of bits including data and control elements arranged in a specific format that are transmitted and switched as a composite whole. Control elements include a source address, destination address, frame control and status indicators, and a Frame Check Sequence (FCS). PDU (protocol data unit) The portion of a datagram that contains the data associated with a particular protocol.
  • Page 99 A TCP/IP protocol for communication between a network management system and a network device. source address filtering A switch or bridge function that forwards or rejects data, depending on the data’s source address. static address Addresses manually entered into the Bridge Address Table (as opposed to those automatically learned by the FN100).
  • Page 100 Appendix B: Glossary synchronous transmission A transmission technique in which an uninterrupted block of data is transmitted, using no redundant information such as stop and start bits to identify the beginning and end of a unit of data. TCP/IP (transmission control protocol/Internet protocol) Internetworking protocols sometimes referred to as the Internet suite of protocols.
  • Page 101 Numerics 100BASE-FX cabling specifications A-4 100BASE-TX cabling pin assignments A-5 specifications A-4 10BASE-T cabling pin assignments A-5 specifications A-3 802.1D Spanning Tree 3-8 address table dynamic entry 1-10 size A-2 addresses adding IP addresses 3-3 displaying IP addresses 4-10 aging time 3-19 basic LCM commands 2-7 baud command 4-15 baud rate...
  • Page 102 A-1 erasing configuration 2-8, 3-2 Ethernet port statistics 4-3 exit command 2-8 filtering hardware 3-14 software 3-14 FN100 Bridge Address Table 1-9 buttons 5-5 connecting to network 2-9 diagnostics 5-1 management tools 4-1 power switch 2-2 power-up diagnostics 5-1...
  • Page 103 3-16 set password 3-18 system contact 3-17 system location 3-18 system name 3-18 multicast storm protection 3-16 network connecting FN100 2-9 non-volatile memory 5-3 noRIP option 4-13 OSI Reference Model 1-7 patch panel connections 2-9 performance specifications A-2 pin assignments...
  • Page 104 Index physical A-1 standards A-2 speed command 3-4 standards A-2 statistics Ethernet port 4-3 gathering 4-2 overview 4-2 SNMP 4-5 system 4-3 status command 4-6 Status LEDs 5-4 straight-through wiring 2-10, A-7 pin assignments A-7 subnet mask, IP changing 4-14 system contact 3-17 system location 3-18 system name 3-18...

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