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D-link DGS-3426P, DGS-3427, DGS-3450 Reference Guide

xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
2
5
User Manual
Product Model:
Release
.3
TM
DGS-3400 Series
i
xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
_____________________________________________
Information in this document is subject to change without notice. © 2008 D-Link Computer Corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of D-Link Computer Corporation is strictly forbidden. Trademarks used in this text: D-Link and the D-LINK logo are trademarks of D-Link Computer Corporation; Microsoft and Windows are registered trademarks of
Microsoft Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. D-Link Computer
Corporation disclaims any proprietary interest in trademarks and trade names other than its own. August 2008 P/N 651GS3400065G
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Table of Contents

Intended Readers............................................................................................................................................................................ x
Typographical Conventions............................................................................................................................................................................x
Notes, Notices, and Cautions ........................................................................................................................................................ xi
Safety Instructions........................................................................................................................................................................ xii
Safety Cautions............................................................................................................................................................................................ xii
General Precautions for Rack-Mountable Products .................................................................................................................................... xiii
Lithium Battery Precaution.....................................................................................................................................................................xiv
Protecting Against Electrostatic Discharge..................................................................................................................................................xiv
Introduction......................................................................................................................................................1
Switch Description.....................................................................................................................................................................................1
Features...........................................................................................................................................................................................................2
Ports................................................................................................................................................................................................................3
Front-Panel Components ........................................................................................................................................................................... 4
LED Indicators................................................................................................................................................................................................5
Rear Panel Description..............................................................................................................................................................................7
Side Panel Description...............................................................................................................................................................................8
Installation........................................................................................................................................................9
Package Contents.......................................................................................................................................................................................9
Installation Guidelines...............................................................................................................................................................................9
Installing the Switch without the Rack....................................................................................................................................................10
Installing the Switch in a Rack................................................................................................................................................................10
Mounting the Switch in a Standard 19" Rack.......................................................................................................................................... 11
Power On ......................................................................................................................................................................................................11
Power Failure...........................................................................................................................................................................................11
Installing the SFP ports............................................................................................................................................................................12
The Optional Module....................................................................................................................................................................................13
Installing the Module...............................................................................................................................................................................14
External Redundant Power System...............................................................................................................................................................15
Connecting the Switch...................................................................................................................................17
Switch to End Node.................................................................................................................................................................................17
Switch to Switch......................................................................................................................................................................................17
Connecting To Network Backbone or Server ...............................................................................................................................................18
Introduction to Switch Management ...........................................................................................................19
Management Options............................................................................................................................... ................................................19
Connecting the Console Port (RS-232 DCE)...........................................................................................................................................20
Managing the Switch for the First Time..................................................................................................................................................21
Password Protection.................................................................................................................................................................................22
IP Address Assignment............................................................................................................................................................................24
Web-based Switch Configuration.................................................................................................................26
Introduction.................................................................................................................................................................................. 26
Logging in to the Web Manager ...................................................................................................................................................................26
Web-based User Interface.............................................................................................................................................................................27
Areas of the User Interface......................................................................................................................................................................27
Web Pages.....................................................................................................................................................................................................28
Configuring the Switch..................................................................................................................................30
Device Information ...................................................................................................................................................................... 31
IPv6.............................................................................................................................................................................................. 33
Overview.......................................................................................................................................................................................................33
Packet Format...............................................................................................................................................................................................34
IPv6 Header.............................................................................................................................................................................................34
Extension Headers...................................................................................................................................................................................35
Packet Fragmentation ..............................................................................................................................................................................35
Address Format.............................................................................................................................................................................................35
Types .......................................................................................................................................................................................................36
ICMPv6.........................................................................................................................................................................................................37
Neighbor Discovery......................................................................................................................................................................................37
Neighbor Unreachability Detection .........................................................................................................................................................37
Duplicate Address Detection (DAD).......................................................................................................................................................38
Assigning IP Addresses...........................................................................................................................................................................38
IP Interface Setup ....................................................................................................................................................................................38
IP Address.................................................................................................................................................................................... 39
Setting the Switch's IP Address using the Console Interface...................................................................................................................40
Interface Settings.......................................................................................................................................................................... 41
IPv4 Interface Settings.............................................................................................................................................................................41
IPv6 Interface Settings.............................................................................................................................................................................42
Stacking........................................................................................................................................................................................ 46
Stack Switch Swapping ...........................................................................................................................................................................47
Stacking Mode Settings...........................................................................................................................................................................48
Box Information.......................................................................................................................................................................................48
Port Configuration........................................................................................................................................................................ 49
Port Error Disabled..................................................................................................................................................................................50
Port Description.......................................................................................................................................................................................51
Cable Diagnostics....................................................................................................................................................................................51
User Accounts.............................................................................................................................................................................. 53
Port Mirroring.............................................................................................................................................................................. 54
Mirroing within the Switch Stack............................................................................................................................................................55
System Log .................................................................................................................................................................................. 56
System Log Save Mode Settings .............................................................................................................................................................57
System Severity Settings.............................................................................................................................................................. 59
SNTP Settings.............................................................................................................................................................................. 60
Time Settings...........................................................................................................................................................................................60
Time Zone and DST......................................................................................................................................................................................61
MAC Notification Settings .......................................................................................................................................................... 63
TFTP Services.............................................................................................................................................................................. 64
Multiple Image Services .............................................................................................................................................................. 66
Firmware Information..............................................................................................................................................................................66
Config Firmware Image...........................................................................................................................................................................67
Ping Test ...................................................................................................................................................................................... 68
IPv4 Ping Test .........................................................................................................................................................................................68
IPv6 Ping Test .........................................................................................................................................................................................69
Safeguard Engine......................................................................................................................................................................... 70
Static ARP Settings...................................................................................................................................................................... 72
IPv6 Neighbor.............................................................................................................................................................................. 73
IPv6 Neighbor Settings ............................................................................................................................... .............................................73
Routing Table............................................................................................................................................................................... 75
IPv4 Static/Default Route Settings................................................................................................................................................................ 75
IPv6 Static/Default Route Settings................................................................................................................................................................ 76
DHCP/BOOTP Relay................................................................................................................................................................... 78
DHCP / BOOTP Relay Global Settings........................................................................................................................................................78
The Implementation of DHCP Information Option 82............................................................................................................................80
DHCP/BOOTP Relay Interface Settings.......................................................................................................................................................81
DHCP Auto Configuration Settings............................................................................................................................................. 82
SNMP Manager............................................................................................................................................................................ 83
SNMP Trap Settings................................................................................................................................................................................84
SNMP User Table....................................................................................................................................................................................84
SNMP View Table...................................................................................................................................................................................86
SNMP Group Table............................................................................................................................... ..................................................87
SNMP Community Table ........................................................................................................................................................................89
SNMP Host Table ....................................................................................................................................................................................90
SNMP Engine ID.....................................................................................................................................................................................91
IP-MAC-Port Binding.................................................................................................................................................................. 92
ACL Mode....................................................................................................................................................................................................92
IP-MAC Binding Port...................................................................................................................................................................................94
IP-MAC Binding Table.................................................................................................................................................................................95
IP-MAC Binding Blocked.............................................................................................................................................................................96
PoE Configuration........................................................................................................................................................................ 97
PoE System Settings .....................................................................................................................................................................................97
PoE Port Settings ..........................................................................................................................................................................................99
Single IP Management (SIM) Overview.................................................................................................................................... 101
The Upgrade to v1.61 ............................................................................................................................................................................102
Single IP vs. Switch Stacking................................................................................................................................................................103
SIM Using the Web Interface................................................................................................................................................................103
Topology.....................................................................................................................................................................................................104
Tool Tips ...............................................................................................................................................................................................107
Menu Bar...............................................................................................................................................................................................111
Firmware Upgrade ......................................................................................................................................................................................112
Configuration Backup/Restore....................................................................................................................................................................112
Upload Log.................................................................................................................................................................................................113
Layer 2 Features ..........................................................................................................................................114
VLANs........................................................................................................................................................................................................114
Understanding IEEE 802.1p Priority.....................................................................................................................................................114
VLAN Description......................................................................................................................................................................................114
Notes about VLANs on the DGS-3400 Series.......................................................................................................................................115
IEEE 802.1Q VLANs .................................................................................................................................................................................115
802.1Q VLAN Tags............................................................................................................................................................................... 116
Port VLAN ID .......................................................................................................................................................................................117
Tagging and Untagging .........................................................................................................................................................................117
Ingress Filtering.....................................................................................................................................................................................118
Default VLANs......................................................................................................................................................................................118
Port-based VLANs.................................................................................................................................................................................118
VLAN Segmentation ............................................................................................................................................................................. 119
VLAN and Trunk Groups......................................................................................................................................................................119
Protocol VLANs....................................................................................................................................................................................119
Static VLAN Entry .....................................................................................................................................................................................119
GVRP Settings............................................................................................................................................................................................123
Double VLANs...........................................................................................................................................................................................124
Regulations for Double VLANs ............................................................................................................................................................125
Double VLAN.............................................................................................................................................................................................126
PVID Auto Assign......................................................................................................................................................................................128
MAC-based VLAN Settings.......................................................................................................................................................................129
Trunking..................................................................................................................................................................................... 130
Understanding Port Trunk Groups.........................................................................................................................................................130
Link Aggregation........................................................................................................................................................................................131
LACP Port Settings..................................................................................................................................................................................... 134
IGMP Snooping ......................................................................................................................................................................... 137
IGMP Snooping Settings ............................................................................................................................................................................137
Router Port Settings....................................................................................................................................................................................138
ISM VLAN ................................................................................................................................................................................................. 140
Restrictions and Provisos.......................................................................................................................................................................140
Limited Multicast Address Range............................................................................................................................................................... 142
MLD Snooping .......................................................................................................................................................................... 144
MLD Control Messages.........................................................................................................................................................................144
MLD Snooping Settings.............................................................................................................................................................................. 144
MLD Router Port Settings ..........................................................................................................................................................................146
Loopback Detection Global Settings..........................................................................................................................................148
Spanning Tree............................................................................................................................................................................ 150
802.1s MSTP.........................................................................................................................................................................................150
802.1w Rapid Spanning Tree.................................................................................................................................................................150
Port Transition States............................................................................................................................................................................. 150
Edge Port...............................................................................................................................................................................................151
P2P Port.................................................................................................................................................................................................151
802.1D/802.1w/802.1s Compatibility ....................................................................................................................................................151
STP Bridge Global Settings ........................................................................................................................................................................152
MST Configuration Identification...............................................................................................................................................................155
MSTP Port Information ..............................................................................................................................................................................157
STP Instance Settings..................................................................................................................................................................................159
STP Port Settings........................................................................................................................................................................................160
Forwarding & Filtering.............................................................................................................................................................. 162
Unicast Forwarding.....................................................................................................................................................................................162
Multicast Forwarding..................................................................................................................................................................................162
Multicast Filtering Mode.............................................................................................................................................................................163
QoS................................................................................................................................................................165
QoS.............................................................................................................................................................................................................165
The Advantages of QoS..............................................................................................................................................................................165
Understanding QoS................................................................................................................................................................................166
Bandwidth Control......................................................................................................................................................................................168
QoS Scheduling Mechanism.......................................................................................................................................................................169
QoS Output Scheduling ..............................................................................................................................................................................170
Configuring the Combination Queue.....................................................................................................................................................171
802.1P Default Priority...............................................................................................................................................................................172
802.1P User Priority....................................................................................................................................................................................173
ACL (Access Control List)..........................................................................................................................174
Time Range................................................................................................................................................................................ 174
Access Profile Table .................................................................................................................................................................. 176
CPU Interface Filtering.............................................................................................................................................................. 189
CPU Interface Filtering State Settings........................................................................................................................................................189
CPU Interface Filtering Table.....................................................................................................................................................................189
Security.........................................................................................................................................................202
Authorization Network State Settings........................................................................................................................................ 202
Traffic Control ........................................................................................................................................................................... 203
Port Security............................................................................................................................................................................... 205
Port Security Entries...................................................................................................................................................................................206
802.1X........................................................................................................................................................................................ 207
Guest VLANs..............................................................................................................................................................................................212
Limitations Using the Guest VLAN ......................................................................................................................................................212
Configure 802.1X Authenticator.................................................................................................................................................................213
Configure 802.1x Guest VLAN............................................................................................................................... ...................................215
Authentic RADIUS Server..........................................................................................................................................................................216
Trust Host................................................................................................................................................................................... 217
Access Authentication Control................................................................................................................................................... 218
Authentication Policy & Parameters...........................................................................................................................................................219
Application's Authentication Settings.........................................................................................................................................................219
Authentication Server Group ...................................................................................................................................................................... 220
Authentication Server Host......................................................................................................................................................................... 221
Login Method Lists .....................................................................................................................................................................................223
Enable Method Lists...................................................................................................................................................................................224
Configure Local Enable Password..............................................................................................................................................................227
Enable Admin .............................................................................................................................................................................................227
MAC Based Access Control ...................................................................................................................................................... 228
MAC Based Access Control Global Settings.............................................................................................................................................. 228
MAC Based Access Control Local MAC Settings......................................................................................................................................229
Traffic Segmentation.................................................................................................................................................................. 231
Secure Socket Layer (SSL)........................................................................................................................................................ 232
Download Certificate..................................................................................................................................................................................232
SSL Configuration ...................................................................................................................................................................................... 233
Secure Shell (SSH)..................................................................................................................................................................... 235
SSH Server Configuration...........................................................................................................................................................................235
SSH Authentication Mode ..........................................................................................................................................................................236
SSH User Authentication Mode............................................................................................................................... ...................................238
JWAC (Japanese Web-based Access Control)........................................................................................................................... 240
JWAC Global Configuration.......................................................................................................................................................................240
JWAC Port Settings....................................................................................................................................................................................242
JWAC User Account...................................................................................................................................................................................245
JWAC Host Information.............................................................................................................................................................................246
Monitoring....................................................................................................................................................247
Device Status.............................................................................................................................................................................. 248
Stacking Information.................................................................................................................................................................. 248
Module Information................................................................................................................................................................... 249
CPU Utilization.......................................................................................................................................................................... 250
Port Utilization........................................................................................................................................................................... 251
Packets ....................................................................................................................................................................................... 252
Received (Rx)........................................................................................................................................................................................252
UMB Cast (RX).....................................................................................................................................................................................254
Transmitted (TX)...................................................................................................................................................................................256
Errors.......................................................................................................................................................................................... 258
Received (RX).......................................................................................................................................................................................258
Transmitted (TX)...................................................................................................................................................................................260
Packet Size................................................................................................................................................................................. 262
Browse Router Port.................................................................................................................................................................... 265
Browse MLD Router Port.......................................................................................................................................................... 266
VLAN Status.............................................................................................................................................................................. 267
VLAN Status Port...................................................................................................................................................................... 268
Port Access Control....................................................................................................................................................................269
RADIUS Authentication.............................................................................................................................................................................269
RADIUS Account Client.............................................................................................................................................................................270
MAC Address Table .................................................................................................................................................................. 272
IGMP Snooping Group.............................................................................................................................................................. 273
MLD Snooping Group............................................................................................................................................................... 274
Switch Logs................................................................................................................................................................................ 275
Browse ARP Table..................................................................................................................................................................... 276
Session Table ............................................................................................................................................................................. 277
IP Forwarding Table.................................................................................................................................................................. 278
Browse Routing Table................................................................................................................................................................279
MAC Based Access Control Authentication Status................................................................................................................... 280
Save, Reset and Reboot................................................................................................................................281
Reset........................................................................................................................................................................................... 281
Reboot System........................................................................................................................................................................... 282
Save Services ............................................................................................................................................................................. 283
Save Changes..............................................................................................................................................................................................283
Configuration Information............................................................................................................................... ...........................................284
Current Configuration Settings...................................................................................................................................................................285
Logout........................................................................................................................................................................................ 285
Appendix A...................................................................................................................................................286
Technical Specifications.............................................................................................................................................................................286
Appendix B...................................................................................................................................................288
Cables and Connectors................................................................................................................................................................................288
Appendix C...................................................................................................................................................289
Cable Lengths ............................................................................................................................................................................................. 289
Appendix D...................................................................................................................................................290
Switch Log Entries......................................................................................................................................................................................290
Glossary ........................................................................................................................................................302
Warranties/Registration..............................................................................................................................304
Technical Support........................................................................................................................................313
International Offices....................................................................................................................................340
xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Intended Readers

The xStack DGS-3400 series Ma nual contains information for setup and management of the Switch. This manual is intended for network managers familiar with network management concepts and terminology.

Typographical Conventions

Convention Description
[ ]
Bold font
Boldface Typewriter Font
Initial capital letter
Italics
Menu Name > Menu
Option
In a command line, square brackets indicate an optional entry. For example: [copy filename] means that optionally you can type copy followed by the name of the file. Do not type the brackets.
Indicates a button, a toolbar icon, menu, or menu item. For example: Open the File menu and choose Cancel. Used for emphasis. May also indicate system messages or prompts appearing on screen. For example: You have mail. Bold font is also used to represent filenames, program names and commands. For example: use the copy command.
Indicates commands and responses to prompts that must be typed exactly as printed in the manual.
Indicates a window name. Names of keys on the keyboard have initial capitals. For example: Click Enter.
Indicates a window name or a field. Also can indicate a variables or parameter that is replaced with an appropriate word or string. For example: type filename means that the actual filename should be typed instead of the word shown in italic.
Menu Name > Menu Option Indicates the menu structure. Device > Port > Port Properties means the Port Properties menu option under the Port menu option that is
located under the Device menu.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Notes, Notices, and Cautions

A NOTE indicates important information that helps make better use of the device.
A NOTICE indicates either potential damage to hardware or loss of data and tells how to avoid the problem.
A CAUTION indicates a potential for property damage, personal injury, or death.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Safety Instructions

Use the following safety guidelines to ensure your own personal safety and to help protect your system from potential damage. Throughout this safety section, the caution icon (
) is used to indicate cautions and precautions that need to be reviewed and
followed.

Safety Cautions

To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment, observe the following precautions.
• Observe and follow service markings.
• Do not service any product except as explained in the system documentation.
• Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose the user to
electrical shock.
• Only a trained service technician should service components inside these compartments.
• If any of the following conditions occur, unplug the product from the electrical outlet and replace the part or contact your
trained service provider:
• Damage to the power cable, extension cable, or plug.
• An object has fallen into the product.
• The product has been exposed to water.
• The product has been dropped or damaged.
• The product does not operate correctly when the operating instructions are correctly followed.
• Keep your system away from radiators and heat sources. Also, do not block cooling vents.
• Do not spill food or liquids on system components, and never operate the product in a wet environment. If the system gets
wet, see the appropriate section in the troubleshooting guide or contact your trained service provider.
• Do not push any objects into the openings of the system. Doing so can cause fire or electric shock by shorting out interior components.
• Use the product only with approved equipment.
• Allow the product to cool before removing covers or touching internal components.
• Operate the product only from the type of external power source indicated on the electrical ratings label. If unsure of the type
of power source required, consult your service provider or local pow er compan y.
• To help avoid damaging the system, be sure the voltage selection switch (if provided) on the power supply is set to match the power available at the Switch’s location:
• 115 volts (V)/60 hertz (Hz) in most of North and South America and some Far Eastern countries such as South Korea
and Taiwan
• 100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japa n
• 230 V/50 Hz in most of Europe, the Middle East, and the Far East
• Also, be sure that attached devices are electrically rated to operate with the power available in your location.
• Use only approved power cable(s). If you have not been provided with a power cable for your system or for any AC-
powered option intended for your system, purchase a power cable th at is approved for us e in your country. The power cable must be rated for the product and for the voltage and current marked on the product's electrical ratings label. The voltage and current rating of the cable should be greater than the ratings marked on the product.
• To help prevent electric shock, plug the system and peripheral power cables into properly grounded electrical outlets. These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. If using an extension cable is necessary, use a 3-wire cable with properly grounded plugs.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
• Observe extension cable and power strip ratings. Make su re that the total ampere rating of all products plugged into the extension cable or power strip does not exceed 80 percent of the ampere ratings limit for the extension cable or power strip.
• To help protect the system from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply (UPS).
• Position system cables and power cables carefully; route cables so that they cannot be stepped on or tripped over. Be sure that nothing rests on any cables.
• Do not modify power cables or plugs. Consult a licensed electrician or your power company for site modifications. Always follow your local/national wiring rules.
• When connecting or disconnecting power to hot-pluggable power supplies, if offered with your system, observe the following guidelines:
• Install the power supply before connecting the power cable to the power supply.
• Unplug the power cable before removing the power supply.
• If the system has multiple sources of power, disconnect power from the system by unplugging all power cables from
the power supplies.
• Move products with care; ensure that all casters and/or stabilizers are firmly connected to the system. Avoid sudden stops and uneven surfaces.

General Precautions for Rack-Mountable Products

Observe the following precautions for rack stability an d safety. Also, refer to the rack installation documentation accompanyin g the system and the rack for specific caution statements and procedures.
• Systems are considered to be components in a rack. Thus, "component" refers to any system as well as to various peripherals or supporting hardware.
• Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack.
• Always load the rack from the bottom up, and load the heaviest item in the rack first.
• Make sure that the rack is level and stable before extending a component from the rack.
• Use caution when pressing the component rail release latches and sliding a component into or out of a rack; the slide rails
can pinch your fingers.
CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over, potentially resulting in bodily injury under certain circumstances. Therefore, always install the stabilizers before installing components in the rack. After installing system/components in a rack, never pull more than one component out of the rack on its slide assemblies at one time. The weight of more than one extended component could cause the rack to tip over and may result in serious injury.
• After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the component into the rack.
• Do not overload the AC supply branch circuit that provides power to the rack. The total rack load should not exceed 80 percent of the branch circuit rating.
• Ensure that proper airflow is provided to components in the rack.
• Do not step on or stand on any component when servicing other components in a rack.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
NOTE: A qualified electrician must perform all connections to DC power and to safety grounds. All electrical wiring must comply with applicable local or national codes and practices.
CAUTION: Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if uncertain that suitable grounding is available.
CAUTION: The system chassis must be positively grounded to the rack cabinet frame. Do not attempt to connect power to the system until grounding cables are connected. Completed power and safety ground wiring must be inspected by a qualified electrical inspector. An energy hazard will exist if the safety ground cable is omitted or disconnected.

Lithium Battery Precaution

CAUTION: Incorrectly replacing the lithium battery of the Switch may cause the battery to
explode. Replace this battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturers instructions.

Protecting Against Electrostatic Discharge

Static electricity can harm delicate components inside the system. To prevent static damage, discharge static electricity from your body before touching any of the electronic components, such as the microprocessor. This can be done by periodically touching an unpainted metal surface on the chassis.
The following steps can also be taken prevent damage from electrostatic discharge (ESD):
1. When unpacking a static-sensitive component from its shipping carton, do not remove the component from the antistatic packing material until ready to install the component in the system. Just before unwrapping the antistatic packaging, be sure to discharge static electricity from your body.
2. When transporting a sensitive component, first place it in an antistatic container or packaging.
3. Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads, workbench pads and an antistatic grounding strap.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
Section 1
Introduction
Ethernet Technology Switch Description Features Ports Front-Panel Components Side Panel Description Rear Panel Description Gigabit Combo Ports Ethernet Technology Fast Ethernet Technology
The DGS-3400 Gigabit Ethernet switches are members of the D-Link xStack family. Ranging from 10/100Mbps edge switches to core gigabit switches, the xStack switch family has been future-proof designed to deliver a system with fault tolerance, flexibility, port density, robust security and maximum throughput with a user-friendly management interface for the networking professional.
This manual describes the installation, maintenance and configurations concerning members of the xStack DGS-3400 Switch Series. These switches include: the DGS-3426, DGS-3426P, DGS-3427 and the DGS-3450. The xStack DGS-3400 Series switches are similar in configurations and basic hardware and consequentially, most of the information in this manual will be universal to the whole xStack DGS-3400 Series. Corresponding screen pictures of the web manager may be taken from any one of these switches but the configuration will be identical, except for varying port counts.

Switch Description

D-Link's next-generation xStack DGS-3400 Series switches are high port-density stackable switches that combine th e ultimate performance with fault tolerance, security, management functions with flexibility and ease-of-use. All these features, typically found in the more expensive chassis-based solutions, are available from the xStack DGS-3400 switch series at the price of a stackable switch!
All xStack DGS-3400 Series switches have some combination of 1000BASE-T ports, SFP ports and 10-Gigabit ports that may be used in uplinking various network devices to the Switch, including PCs, hubs and other switches to provide a gigabit Ethernet uplink in full-duplex mode. The SFP (Small Form Factor Portable) combo ports are used with fiber-optical transceiver cabling in order to uplink various other networking devices for a gigabit link that may span great distances. These SFP ports support full­duplex transmissions, have auto-negotiation and can be used with DEM-310GT (1000BASE-LX), DEM-311GT (1000BASE-SX), DEM-314GT (1000BASE-LH), DEM-312GT2 (100BASE-SX) and DEM-315GT (100 0BASE-ZX) transceivers. Users may also use one of the WDM Single Mode Transceivers, such as the DE M-330T/R or the DEM-331T/R. The rear panel of the xStack DGS-3400 Switches Series includes spaces for optional single-port module inserts for single port 10GE XFP or 10GBASE-CX4 modules used for backbone uplink or stacking connection to another xStack DGS-3400 Series Switch.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Features

The list of features below highlights the significant features of the xStack DGS-3400 Series.
• IEEE 802.3z compliant
• IEEE 802.3x Flow Control in full-duplex compliant
• IEEE 802.3u compliant
• IEEE 802.3ab compliant
• IEEE 802.3ae compliant (for optional XFP module)
• IEEE 802.1p Priority Queues
• IEEE 802.3ad Link Aggregation Control Protocol support.
• IEEE 802.1X Port-based and MAC-based Access Control
• IEEE 802.1Q VLAN
• IEEE 802.1D Spanning Tree, IEEE 802.1W Rapid Spanning Tree and IEEE 802.1s Multiple Spanning Tree support
• IEEE 802.3af Power-over-Ethernet support for the DGS-3426P
• Stacking support in either Duplex-Ring or Duplex-Chain topology
• Access Control List (ACL) support
• IP Multinetting support
• Protocol VLAN support
• Single IP Management support
• Access Authentication Control utilizing TACACS, XTACACS, TACACS+ and RADIUS protocols
• Dual Image Firmware
• Simple Network Time Protocol support
• MAC Notification support
• System and Port Utilization support
• System Log Support
• High performance switching engine performs forwarding and filtering at full wire speed up to 128Gbps.
• Full- and half-duplex for all gigabit ports. Full duplex allows the switch port to simultaneously transmit and receive data. It
only works with connections to full-duplex-capable end stations and switches. Connections to a hub must take place at half­duplex.
• Support broadcast storm filtering
• Non-blocking store and forward switching scheme capability to support rate adaptation and protocol conversion
• Supports by-port Egress/Ingress rate control
• Efficient self-learning and address recognition mechanism enables forwarding rate at wire speed
• Support port-based enable and disable
• Address table: Supports up to 8K MAC addresses per device
• Supports a packet buffer of up to 3 Mbits
• Port Trunking with flexible load dist ri b uti o n and fail-over function
• IGMP Snooping support
• MLD Snooping support (MLD v1 and v2)
• SNMP support
• Secure Sockets Layer (SSL) and Secure Shell (SSH) support
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
• System Severity control
• Port Mirroring support
• MIB support for:
• RFC1213 MIB II
• RFC1493 Bridge
• RFC1757 RMON
• RFC1643 Ether-like MIB
• RFC2233 Interface MIB
• IF MIB
• Private MIB
• RFC2674 for 802.1p
• IEEE 802.1X MIB
• RS-232 DCE console port for Switch m a nagement
• Provides parallel LED display for port status such as link/act, speed, etc.
• PoE Support for the DGS-3426P
• IPv6 Support

Ports

The xStack DGS-3400 Series switches port opti on s, as list e d by devi ce.
DGS-3426
• Twenty-four 10/100/1000BASE-T Gigabit ports
• Four Combo SFP Ports
• Two slots open for
single port 10GE XFP or 10GBASE-CX4 modules
• One RS-232 DB-9 console port
DGS-3426P
• Twenty-four PoE Compliant 10/100/1000BASE-T Gigabit ports
• Four Combo SFP Ports
• Two slots open for
single port 10GE XFP or 10GBASE-CX4 modules
• One RS-232 DB-9 console port
• Twenty-four
• Four Combo SFP Ports
• Three slots open for
• One RS-232 DB-9
DGS-3427
10/100/1000BASE-T Gigabit ports
single port 10GE XFP or 10GBASE-CX4 modules
console port
DGS-3450
• Forty-eight 10/100/1000BASE-T Gigabit ports
• Four Combo SFP Ports
• Two slots open for
single port 10GE XFP or 10GBASE-CX4 modules
• One RS-232 DB-9 console port
NOTE: For customers interested in D-View, D-Link Corporation's proprietary SNMP management software, go to the D-Link Website and download the software and manual.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Front-Panel Components

The front panel of the Switch consists of LED indicators for Power, Master, Console, RPS, and for Link/Act for each port on the Switch including 10GE Ports for optional modules and SFP port LEDs. The front panel includes a seven-segment LED indicating the Stack ID number. A separate table below describes LED indicators in more detail. DGS-3426P also includes a Mode Select button for changing the mode Link/Act/State to PoE.
DGS-3426
Figure 2- 1. Front Panel View of the DGS-3426 as shipped
DGS-3426P
Figure 2- 2. Front Panel View of the DGS-3426P as shipped
DGS-3427
DGS-3450
Figure 2- 3. Front Panel View of the DGS-3427 as shipped
Figure 2- 4. Front Panel View of the DGS-3450 as shipped
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

LED Indicators

The Switch supports LED indicators for Power, Console, RPS and Port LEDs including 10GE port LEDs for optional module inserts.
Figure 2- 5. LED Indicators on DGS-3450
Figure 2- 6. LED Indicators on DGS-3427
Figure 2- 7. LED Indicators on DGS-3426
Figure 2- 8. LED Indicators on DGS-3426P
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
LED Description
This LED will light green after powering the Switch on to indicate the ready state of the
Power
Console
device. The indicator is dark when the Switch is no longer receiving power (i.e powered off).
This LED will blink green during the Power-On Self Test (POST). When the POST is finished, the LED goes dark. The indicator will light steady green when an active console link is in session via RS-232 console port.
RPS
Port LEDs
10GE Ports
Combo SFP Ports
Stack ID
Link/Act/Speed and PoE (DGS-3426P only)
This LED will light when the internal power has failed and the RPS has taken over the power supply to the Switch. Otherwise, it will remain dark.
One row of LEDs for each port is located above the ports on the front panel. The indicator above the left side of a port corresponds to the port below the indicator in the upper row of ports. The indicator above the right side of a port corresponds to the port below the indicator in the lower row of ports. A steady green light denotes a valid 1000Mbps link on the port while a blinking green light indicates activity on the port (at 1000Mbps). A steady orange light denotes a valid 10 or 100Mbps link on the port while a blinking orange light indicates activity on the port (at 100Mbps). These LEDs will remain dark if there is no link/activity on the port.
A steady green light denotes a valid link on the port while a blinking green light indicates activity on the port. These LEDs will remain dark if there is no link/activity on the port.
LED indicators for the Combo ports are located above the ports and numbered 1 – 4 for Combo 1, Combo 2, etc. ports. A steady green light denotes a valid link on the port while a blinking green light indicates activity on the port. These LEDs will remain dark if there is no link/activity on the port.
These two seven segment LEDs display the current switch stack order of the Switch while in use.
To change the LED mode from Link/Act/Speed to PoE and vice versa, press the LED Mode Select Button. The Link/Act/Speed LED will light solid green when selected and will shut off when PoE is selected. Likewise, when Link/Act/Speed is selected, the PoE LED shuts off and the Link/Act/Speed LED lights solid green.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Rear Panel Description

DGS-3426
The rear panel of the DGS-3426 contains an AC power connector, a r edundant power supply connector and two empty slots for optional module inserts.
Figure 2- 9. Rear panel view of DGS-3426
DGS-3426P
The rear panel of the DGS-3426P contains an AC power connector, a redundant power supply connector, a heat vent for the rear fan and two empty slots for optional module inserts.
Figure 2- 10. Rear panel view of the DGS-3426P
DGS-3427
The rear panel of the DGS-3427 contains an AC powe r connector, a redundant power supp ly connector and three empty slots fo r optional module inserts.
Figure 2- 11. Rear panel view of DGS-3427
DGS-3450
The rear panel of the DGS-3450 contains an AC power connector, two empty slots for optional module inserts, a redundant power supply connector, a RS-232 DCE console port for Switch management and a system fan vent.
Figure 2- 12. Rear panel view of DGS-3450
The AC power connector is a standard three-pronged connector th at supports the power cord. Plug-in the female conn ector of the provided power cord into this socket, and the male sid e of the co rd into a power outlet. The Switch automatically adj usts its power setting to any supply voltage in the range from 100 ~ 240 VAC at 50 ~ 60 Hz.
The rear panel also includes an outlet for an optional external power supply. When a power failure occurs, the optional external RPS will automatically assume the power supply for the Switch immediately.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Side Panel Description

The system fans and heat vents located on each side dissipate heat. Do not block these openings. Leave at least 6 inches of space at the rear and sides of the Switch for proper ventilation. Be reminded that without proper heat dissipation and air circulation, system components might overheat, which could lead to system failure and severely damage components.
Figure 2- 13. Side Panels (DGS-3450)
Figure 2- 14. Side Panels (DGS-3426 and DGS-3427)
Figure 2- 15. Side Panels of the DGS-3426P
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
Section 2
Installation
Package Contents Installation Guidelines Installing the Switch without the Rack Rack Installation Power On The Optional Module Redundant Power System
Package Contents
Open the shipping carton of the Switch and carefully unpack its contents. The carton should contain the following items:
1. One xStack Stackable Switch
2. One AC power cord
3. Mounting kit (two brackets and screws)
4. Four rubber feet with adhesive backing
5. RS-232 console cable
6. One CD Kit for User’s Guide/CLI/D-View module
7. One CD Kit for D-View 5.1 Standard version (for Europe only)
8. Registration card & China Warranty Card (for China only)
If any item is missing or damaged, please contact your local D-Link Reseller for replacement.
Installation Guidelines
Please follow these guidelines for setting up the Switch:
• Install the Switch on a sturdy, level surface that can support at least 6.6 lb. (3 kg) of weight. Do not place heavy objects on the Switch.
• The power outlet should be within 1.82 m e t e rs (6 feet) of the Swit ch .
• Visually inspect the power cord and see that it is fully secured to the AC power port.
• Make sure that there is proper heat dissipation from and adequate ventilation around the Switch. Leave at least 10 cm (4
inches) of space at the front and rear of the Switch for ventilation.
• Install the Switch in a fairly cool and dry place for the acceptable temperature and humidity operating ranges.
• Install the Switch in a site free from strong electromagnetic field generators (such as motors), vibration, dust, and direct
exposure to sunlight.
• When installing the Switch on a level surface, attach the rubber feet to the bottom of the device. The rubber feet cushion the Switch, protect the casing from scratches and prevent it from scratching other surfaces.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Installing the Switch without the Rack

First, attach the rubber feet included with the Switch if installing on a desktop or shelf. Attach these cushioning feet on the bottom at each corner of the device. Allow enough ventilation space between the Switch and any other objects in the vicinity.
Figure 2- 16. Prepare Switch for installation on a desktop or shelf

Installing the Switch in a Rack

The Switch can be mounted in a standard 19" rack. Use the following diagrams as a guide.
Figure 2- 17. Fasten mounting brackets to Switch
Fasten the mounting brackets to the Switch using the screws pr ovided. With the brackets attached securely, the Switch can be mounted in a standard rack as shown below.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Mounting the Switch in a Standard 19" Rack

Figure 2- 18. Installing Switch in a rack

Power On

1. Plug one end of the AC power cord into the power connector of the Switch and the other end into the local power source outlet.
2. After powering on the Switch, the LED indicators will momentarily blink. This blinking of the LED indicators represents a reset of the system.

Power Failure

As a precaution, in the event of a power failure, unplug the Switch. When power is resumed, plug the Switch back in.
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Installing the SFP ports

The xStack DGS-3400 series switches are equipped with SFP (Small Form Factor Portable) ports, which are to be used with fiber­optical transceiver cabling in order to uplink various other networking devices for a gigabit link that may span great distances. These SFP ports support full-duplex transmissions, have auto-negotiation and can be used with DEM-310GT (1000BASE-LX), DEM-311GT (1000BASE-SX), DEM-314G T (1000BASE-LH) and DEM-315GT (1000BASE-ZX) transceivers. See the figure below for installing the SFP ports in the Switch.
Figure 2- 19. Inserting the fiber-optic transceivers into the DGS-3426
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

The Optional Module

The rear panel of the DGS-3426, DGS-34 26P, DGS-3427 an d DGS-3 450 inclu de op en slots that may be equipp ed with the DE M­410X 1-port 10GE XFP stacking uplink module, or a DEM-410CX 1-port 10GBASE-CX4 stacking uplink module, both sold separately. These modules may be used to stack switches in a switch stack using a Duplex Ring or Duplex Chain topology.
Adding the DEM-410X optional module will allow the administrator to transmit data at a rate of ten gigabits a second. The module port(s) are compliant with standard IEEE 802.3ae, support full-duplex transmissions only and must be used with XFP MSA compliant transceivers.
The DEM-410CX uses copper wire medium, not optic fiber and therefore has a transmit length limit up to 1 meter. Compliant with the IEEE802.3ak standard, this module uses a 4-laned copper connector for data transfer in full-duplex mode within a stacking configuration.
To install these modules in the DGS-3400 Series Switch, follow the simple steps listed below.
CAUTION: Before adding the optional module, make sure to disconnect all power sources connected to the Switch. Failure to do so may result in an electrical shock, which may cause
At the back of the Switch to the left is the slot for the optional module. This slot must be covered with the faceplate if the slot is not being used. If a module will be installed in an available slot, the faceplate is easily removed by loosening the screws and pulling off the plate.
damage, not only to the individual but to the Switch as well.
The front panels of the available modules are shown here:
Figure 2- 20. Front Panel of the DEM-410X
Figure 2- 21. Front Panel of the DEM-410CX
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

Installing the Module

Unplug the Switch before removing the faceplate covering the empty slot. To install the module, slide it in to the available slot at the rear of the Switch until it reaches the back, as shown in the following figure. Gently, but firmly push in on the module to secure it to the Switch. The module should fit snugly into the corresponding receptors.
Figure 2- 22. Inserting the optional module into the Switch (DGS-3450)
Now tighten the two screws at adjacent ends of the module into the available screw holes on the Switch. The upgraded Switch is now ready for use.
Figure 2- 23. DGS-3450 with optional DEM-410X module installed
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch

External Redundant Power System

The Switch supports an external redundant power system. The diagrams below illustrate a proper RPS power conn ection to the Switch. Please consult the documentation for information on power cabling and connectors and setup procedure.
Figure 2- 24. The DGS-3450 with the DPS-500 chassis RPS
Figure 2- 25. The DGS-3450 with the DPS-500 Redundant External Power Supply
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xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
Alternate to the other Switches in the xStack DGS-3400 Switch Series, the DGS-3426P utilizes the DPS-600 as its External Redundant Power Supply. The DPS-600 is the ONLY RPS to be used with the DGS-3426P.
NOTE: See the DPS-500 or DPS-600 documentation for more information.
CAUTION: Do not use the Switch (except DGS-3426P) with any redundant power system
other than the DPS-500.
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