3Com 3824 Implementation Manual

Also see for 3824 - SuperStack 3 Switch: Getting started guide

Contents

5 U SING THE SWITCH D ATABASEWhat is the SwitchDatabase?The Switch Database is used by the Switch to determine where a packetshould be forwarded to, and which port should transmit the packet if it isto be forwarded.The database contains a list of entries — each entry contains three items:■ MAC (Ethernet) address information of the endstation that sendspackets to the Switch.■ Port identifier, that is the port attached to the endstation that issending the packet.■ VLAN ID of the VLAN to which the endstation belongs.For details of the number of addresses supported by your Switchdatabase, please refer to Chapter 1 of the Getting Started Guide thataccompanies your Switch.For detailed descriptions of the Web interface operations and theCommand Line Interface (CLI) commands that you require to manage theSwitch please refer to the Management Interface Reference Guidesupplied in HTML format on the CD-ROM that accompanies your Switch.How SwitchDatabase EntriesGet AddedEntries are added to the Switch Database in one of two ways:■ The Switch can learn entries. The Switch updates its database with thesource MAC address of the endstation that sent the packet, the VLANID, and the port identifier on which the packet is received.■ You can enter and update entries using the management interface viathe Bridge > Address Database Web interface operation, or an SNMPNetwork Manager.