Black Box Computer Hardware LGB2124A User Manuals

Table of Contents

• 1. Specifications

  7
• 1.2 Management Software Specifications

  8
• 2. Overview

  9
• Introduction

  9
• Features

  9
• What’s Included

  10
• Hardware Description

  11
• 2.4.1 18-Port Gigabit Smart Switch Eco Fanless (LGB2118A)

  11
• 2.4.2 24-Port Gigabit Smart Switch Eco Fanless (LGB2124A)

  12
• 3. Installation

  15
• Starting Up the Switch

  15
• 3.1.1 Hardware and Cable Installation

  15
• 3.1.2 Cabling Requirements

  16
• 3.1.3 Configuring the Management Agent of the Gigabit Smart Switch Eco Fanless

  20
• 3.1.4 Address Assignment

  21
• Typical Applications

  24
• 4. Basic Concepts and Management

  27
• Ethernet

  27
• Logical Link Control (LLC)

  28
• Media Access Control (MAC)

  30
• 4.3.1 MAC Addressing

  30
• 4.3.2 Ethernet Frame Format

  30
• Flow Control

  33
• How Does a Switch Work?

  37
• Virtual LAN

  38
• Link Aggregation (LGB2118A Only)

  43
• 5. Operation of Web-Based Management

  45
• Web Management Home Overview

  45
• Configuration

  47
• 5.2.1 System Information

  48
• 5.2.2 Port Configuration

  49
• 5.2.3 VLAN Mode Configuration

  51
• 5.2.4 VLAN Group Configuration

  51
• 5.2.5 VLAN Port Isolation Configuration

  54
• 5.2.6 Aggregation (LGB2118A Only)

  55
• 5.2.7 IGMP Snooping

  56
• 5.2.8 Mirroring Configuration

  56
• 5.2.9 SNMP

  57
• 5.2.10 Loop Detection

  59
• 5.2.11 Broadcast Storm Protection

  60
• 5.2.12 Quality of Service (QoS) Configuration

  62
• Monitoring

  64
• 5.3.1 Statistics Overview

  64
• 5.3.2 Detailed Statistics

  65
• 5.3.3 IGMP Status

  67
• 5.3.4 Ping Status

  68
• 5.4 Maintenance

  69
• 5.4.1 Warm Restart

  69
• 5.4.2 Factory Default

  70
• 5.4.3 Software Upgrade

  70
• 5.4.4 Configuration File Transfer

  70
• 5.4.5 Logout

  71
• 6. Troubleshooting

  72
• Resolving Line Condition

  72
• Questions and Answers

  72
• Contacting Black Box

  72
• Shipping and Packaging

  72
• Appendix. MIB

  73