Table of Contents 
PREFACE..................................................................................................................................................................I 
System Overview .................................................................................................................................................................. ii 
Viewing the Device.............................................................................................................................................................. iii 
DGS-3100 Series Front Panel .......................................................................................................................................... iii 
DGS-3100-24TG Front Panel .......................................................................................................................................... iii 
Device Management Methods.............................................................................................................................................. iv 
User Guide Overview............................................................................................................................................................ v 
Intended Audience ............................................................................................................................................................... vi 
Notes, Notices, and Cautions .............................................................................................................................................. vii 
Safety Cautions .................................................................................................................................................................. viii 
General Precautions for Rack-Mountable Products ............................................................................................................. ix 
GETTING STARTED................................................................................................................................................1 
Accessing the Boot/Startup Menu Functions ........................................................................................................................ 2 
Downloading Software...................................................................................................................................................... 2 
Set Terminal Baud-Rate.................................................................................................................................................... 2 
Defining Stacking Units.................................................................................................................................................... 3 
Using the Web-Based User Interface.................................................................................................................................... 4 
Understanding the D-Link Embedded Web Interface ........................................................................................................... 5 
Using the Tool Menu ............................................................................................................................................................ 7 
Displaying the Stack Status............................................................................................................................................... 7 
Locating Devices............................................................................................................................................................... 7 
Backing up and Restoring Configuration Files ................................................................................................................. 8 
Resetting the Device ......................................................................................................................................................... 9 
Downloading the Firmware............................................................................................................................................. 10 
Rebooting the System ..................................................................................................................................................... 12 
View/Add/Update/Delete User Accounts Using the Web System Components................................................................. 13 
'User' Level Support on the WEB ....................................................................................................................................... 14 
CONFIGURING BASIC CONFIGURATION ..........................................................................................................15 
Viewing Device Information............................................................................................................................................... 16 
Defining System Information.............................................................................................................................................. 18 
Defining IP Addresses ........................................................................................................................................................ 19 
Managing Stacking ............................................................................................................................................................. 20 
Managing Stacking Modes.............................................................................................................................................. 20 
Advanced Stacking.......................................................................................................................................................... 20 
Stack Startup Process ...................................................................................................................................................... 22 
Building Stacks – Quick Start ......................................................................................................................................... 24 
Stack Management Examples ......................................................................................................................................... 25 
Configuring Stacking ...................................................................................................................................................... 31 
Defining Ports ..................................................................................................................................................................... 32 
Configuring Port Properties ............................................................................................................................................ 32 
Viewing Port Properties .................................................................................................................................................. 34 
ARP Settings....................................................................................................................................................................... 35 
Configuring User Accounts................................................................................................................................................. 36 
Managing System Logs....................................................................................................................................................... 38 
Configuring SNTP .............................................................................................................................................................. 40 
Configuring Daylight Savings Time ............................................................................................................................... 42