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The switch supports a powerful configuration file which allows many of the

switch’s configuration parameters to be stored on a centralized server. When

the switch starts up, it can be configured to read its configuration file from the

server using the TFTP protocol. This can make it easier to manage a large

number of switches, since all of the configuration parameters for all of the

switches can be managed in a single place.

The configuration file is a text file, usually stored on the server with a .CFG

extension. It can be up to 10 kilobytes long. Lines beginning with # are

considered comments which are ignored by the hub. All other lines are

commands, which are interpreted by the switch.

The configuration file commands accepted by the hub are:

♦ sysdescr string

Takes string as the System Name, corresponding to the SNMP MIB II

variable system.sysName. This field is used to give a name to the

switch for administrative purposes. The switch fully qualified domain

name is often used, provided a name has been assigned. T he string can be

up to 64 characters long.

♦ syscontact string

Contents

Main Wichtige Sicherheitshinweise WARRANTIES EXCLUSIVE LIMITATION OF LIABILITY Limited Warranty Hardware: Software: D-Link Offices to Contact for Warranty Service: Page vii T ABLE OF ONTENTS 2 EXTERNAL FEATURES....................................................... 7 3 INSTALLATION................................................................ 13 4 MAKING NETWORK CONNECTIONS................................... 17 5 USING THE CONSOLE INTERFACE..................................... 21 ix 6 PRODUCT SPECIFICATIONS..............................................55 7 CABLES AND CONNECTORS.............................................57 Page xi 0 A BOUT T HIS G Page 1 I NTRODUCTION DES-2212 Ethernet/Fast Ethernet Switch Ports Switching Management Telnet 100Mbps Fast Ethernet Introduction 100BASE-TX Technology Overview Cables and Connectors Topology Network Hubs Connectivity Rules Ethernet Switching Introduction Page Page LED Indicators Rear Panel Page Page 3 I NSTALLATION Unpacking the Switch Installing the Switch Location Rack Mounting Connecting Power Replacing the Fuse 4 M AKING N ETWORK ONNECTIONS 100BASE-T Connection NOTE: MII Connection Page 5 U SING THE ONSOLE I NTERFACE Console Usage Conventions First Time Connecting To The Switch Steps to create a Super User or General User: Super and General User Privileges Page Using the Console Interface Menu Super User General User Table 6-1. Super User and General User Privileges Privilege Login On The Switch Console By Registered Users Changing your Password Adding and Deleting Users Adding a New User Deleting a User Setting up the Switch Telnet TCP/IP Settings Page Out-of-band management and console settings Software Updates SNMP Information and Console Timeout system.sysName system.sysLocation sysContact SNMP Traps SNMP Security (Community Names) Switch Configuration Controlling Individual Ports Forwarding Configuration Page Spanning Tree Protocol and Configuration Introduction to Spanning Tree Protocol Parameters Page Setting Spanning Tree Protocol Parameters Page Page Page Monitoring the Switch Displaying Port Statistics Page Resetting the Switch System Reset Factory Reset Page Page $ 6 P RODUCT S PECIFICATIONS LED Indicators Environmental and Physical % 7 C ABLES AND ONNECTORS 10BASE-T/100BASE-TX Connectors RJ-45 Connectors Straight-through Cable Crossover Cable MII Connector Cables and Connectors RS-232 (DB9) Pin Specification Page Page Page & 8 B OOT ONFIGURATION F Page Page Index 9 I NDEX Page Page Offices Page Registration Card Product was purchased from: