Black Box LGB2118A Ethernet switch MiniMini Computer frame, Ethernet switch Printer Workstations

Page 39

Chapter 4: Basic Concepts and Management

Ethernet switch

MiniMini

computer frame

Ethernet switch

BACKBONE

Ethernet switch

Ethernet switch

Printer

Workstations

Printer

Figure 4-8.

In the figure above, all stations are within the same broadcast domain. For these stations, the traffic is getting congested when adding more stations to the broadcast domain. With more and more users joining the LAN, broadcast traffic will rapidly decrease the performance of the network. In this case, the network may fail.

724-746-5500 blackbox.com

Page 39

Image 39

Contents Supports http and Snmp interface for switch management Trademarks Used in this Manual Trademarks Used in this ManualFCC and IC RFI Statements NOM Statement Table of Contents Table of Contents Specifications General SpecificationsVlan Supports Port-based Vlan and Tag-based Ieee 802.1Q Vlan Management Software SpecificationsFeatures OverviewOverview Introduction What’s Included Not shown in -1 or LGB2118A componentsLGB2118A LED functions 2 24-Port Gigabit Smart Switch Eco Fanless LGB2124ANot shown in -3 or LGB2124A LED functions LGB2124A componentsFront view of 1000BASE-SX/LX LC, SFP Fiber Transceiver Optional Modules for LGB2118A and LGB2124AInstallation Installation Starting Up the SwitchHardware and Cable Installation Cabling Requirements 100BASE-TX TP Fiber supported by the switchVlan Attribute-based Vlan diagram Installation Address Assignment Login screen for the WebInstallation Prefix Length Typical Applications Converter Gigabit Smart SwitchCopper cables Fiber cable RJ-45 MediaCopper cables RJ-45 Financial Copper cables RJ-45 Gigabit Smart SwitchBasic Concepts and Management Basic Concepts and ManagementEthernet MAC sub layer in physical layer in OSI model Logical Link Control LLCSsap address field Options Media Access Control MAC MAC AddressingEthernet Frame Format 0x8137 0x0835Gigabit Ethernet Frame Flow Control Ethernet parameters for half-duplex modeBasic Concepts and Management Collision Basic Concepts and Management How Does a Switch Work? Virtual LAN Ethernet switch Printer Workstations Ethernet switch MiniMini Computer frameRouter 1a2a Ethernet switchBasic Concepts and Management VID Link Aggregation LGB2118A Only Basic Concepts and Management Operation of Web-based Management Operation of Web-based ManagementWeb Management Home Overview Main menu function tree for Web interface System Information ConfigurationOperation of Web-based Management Port Configuration Operation of Web-based Management Media supported Vlan Mode ConfigurationVlan Group Configuration Function name Vlan Mode SettingTag-VLAN Mode 10. Port-Based Vlan Configuration Function name Port Isolation Configuration Vlan Port Isolation ConfigurationAggregation LGB2118A Only Mirroring Configuration Function name Igmp Snooping ConfigurationIgmp Snooping Snmp 15. Mirror ports configurationOperation of Web-based Management Loop Detection Broadcast Storm Protection Operation of Web-based Management Quality of Service QoS Configuration Operation of Web-based Management Statistics Overview MonitoringDetailed Statistics Operation of Web-based Management Igmp Status Ping Status Warm Restart MaintenanceFactory Default Software UpgradeConfiguration File Transfer Logout Contacting Black Box TroubleshootingTroubleshooting Resolving a No Link Condition Questions and AnswersAppendix MIB Specifications Appendix MIB SpecificationsBlackbox.com Blackbox.com Black Box Tech Support FREE! Live /7