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HiSpeed Fast Ethernet Switch
Troubleshooting Guide
Part No. US7070447-001, Rev 01
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Trademarks ! " © #$$% & " & Technical Support ’ " " " ! ( !
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Table of Contents Chapter 1 Introduction Purpose of the Guide ......................................................................................................1-1 Basic Troubleshooting Tips ............................................................................................1-1 How to Contact Tech Support .........................................................................................1-2 Chapter 2 HiSpeed Switch What is the HiSpeed Switch? .................................
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Chapter 4 Cabling Basic Connections ..........................................................................................................4-1 10BASE-TX Ports ....................................................................................................4-2 10/100BASE-TX Ports .............................................................................................4-3 100BASE-FX Ports ..................................................................................................4
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HiView Switch Management ...........................................................................................6-4 Windows 95/Windows NT 4.0 ..................................................................................6-4 UNIX .........................................................................................................................6-5 HiView Tips .............................................................................................................6-5 Windows 95/N
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Chapter 10 Troubleshooting at the Network Layer IP (Internet Protocol) ....................................................................................................10-1 Other IP-related Services ......................................................................................10-2 RIP (Routing Information Protocol) ........................................................................10-2 Route Cache Forwarding vs. IP Forwarding ....................................................
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Chapter 12 FDDI Concepts HiSpeed FDDI Uplink ...................................................................................................12-2 Cable Connections .................................................................................................12-3 Observing LEDs ...........................................................................................................12-4 FDDI Bridge Modes ....................................................................................
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List of Figures Figure 2-1. Model HS140-010 base model with an HS-150-010-16E expansion module installed ......................................................................2-4 Figure 2-2. HS150-100-16 base model with an HS150-100-8E expansion module installed .......................................................................................2-5 Figure 3-1. Module LEDs ...........................................................................................3-2 Figure 5-1. Network Media
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List of Tables Table 2-1. Base model configurations .......................................................................2-3 Table 2-2. HiSpeed switch expansion modules ........................................................2-5 Table 2-3. Uplink modules for the HS15-010 and HS150-100 ..................................2-6 Table 3-1. LED status ...............................................................................................3-2 Table 3-2. RJ-45 LEDs ...............................
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Chapter 1 Introduction Purpose of the Guide The purpose of this troubleshooting guide is to assist users in understanding, identifying and diagnosing network related problems in a switched network environment. Additionally, the guide allows users to gain a better understanding of the Hitachi’s HiSpeed switch functionality, features, and performance. Note: This guide is not intended to replace any of the HiSpeed User and Installation Guides. It is designed as a troubleshooting tool only and
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Draft Level—Hitachi Confidential HiSpeed Switch Troubleshooting Guide ❒ Are all users affected? Or a certain group of users on a specific segment? ❒ Are all types of traffic affected? In other words, what protocols are failing? ❒ Is the problem consistent or intermittent? ❒ Can the users ping themselves? If so, can they ping the gateway and beyond? ❒ Have you tried resetting the switch? How to Contact Tech Support For technical support, contact Hitachi’s Internetworking Solution Center: Hours: M
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Draft Level—Hitachi Confidential Introduction Abatch program called dispcfg is available on Hitachi’s anonymous FTP server (204.48.18.63). When used in combination with HiSpeed’s debugging commands, relevant configuration on the switch is captured and the results are written to the file dispcfg.dat. Refer to dispcfg.doc for instructions on how to run the batch program. Forward the results to Hitachi’s Technical Support Team via the WEB or email. If using a browser, type in the following
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Draft Level—Hitachi Confidential HiSpeed Switch Troubleshooting Guide 1-4 US7070447-001, Rev 01
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Chapter 2 HiSpeed Switch What is the HiSpeed Switch? The HiSpeed switch is a multiprotocol, Fast Ethernet workgroup switch than can be configured for up to 32 10/100 Mbps LAN switch ports, depending on the model. The HiSpeed switch maximizes performance in existing shared media LANs by allowing up to 32 separate collision domains on a per port basis. By segmenting the network in this fashion, the amount of collisions are reduced and the available network bandwidth is optimized. The HiSpeed
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Draft Level—Hitachi Confidential HiSpeed Switch Troubleshooting Guide ❒ Supports multiple hardware configurations and provides support for the following port configurations: — 10BASE-TX ports — 10/100BASE-TX ports — 100BASE-FX ports — PCI-based ATM Uplink to server — PCI-based FDDI Uplink to server ❒ Supports field-upgradeable expansion modules for maximum customization ❒ Supports Autonegotiation on all 10/100 Mbps ports ❒ Supports full- or half-duplex on all 10/100BASE-TX ports ❒ Provides por
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Draft Level—Hitachi Confidential HiSpeed Switch Each of the HS150 and HS140 models has one expansion slot which can be populated with an expansion module that doubles the number and/or type of available ports. The expansion modules can be installed in the field or at the factory prior to shipment. The HS150 switch models also have a PCI bus for the addition of an uplink module. The uplink module provides a dedicated connection to a server or network backbone. Table 2-1 lists the model numbe
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Draft Level—Hitachi Confidential HiSpeed Switch Troubleshooting Guide HS140/150-010 Model The -010 models ship with a sixteen port module configured in the captive slot. This module can consist of 10BASE-TX, 10/100BASE-TX or 100BASE-FX type ports and can be configured with either all one type of port or a combination of three types of ports. The expansion slot is capable of accepting an additional 16 ports for a total of 32 ports per switch. Figure 2-1 shows an HS140-010 switch model with t
