D-Link DXS-3250 - xStack Switch - Stackable User manual

©Copyright 2005. All rights reserved.
Web/Installation Guide
Product Model : DXS-3200 Series
L2 Stackable Gigabit Mngd. Switch with Optional 10Gig Uplinks
Release 1

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
Page 1
Table of Contents
Preface.................................................................................................................................... 5
DXS-3250/DXS-3227P/DXS-3227 User Guide Overview............................................................... 6
Intended Audience.......................................................................................................................... 7
Device Description.................................................................................................................. 9
Viewing the Device........................................................................................................................ 10
Ports Description........................................................................................................................... 12
Cable Specifications...................................................................................................................... 14
LED Defiitions ............................................................................................................................... 15
Cable, Port, and Pinout Information.............................................................................................. 19
Physical Dimensions..................................................................................................................... 20
Mounting Device................................................................................................................... 21
Preparing for Installation............................................................................................................... 22
Installing the Device...................................................................................................................... 24
Connecting the Device.................................................................................................................. 27
Initial Configuration............................................................................................................... 29
General Configuration Information................................................................................................ 29
Booting the Switch ........................................................................................................................ 30
Stacking Configuration.................................................................................................................. 32
Configuration Overview................................................................................................................. 33
Advanced Configuration................................................................................................................ 36
Software Download and Reboot ................................................................................................... 39
Startup Menu Functions................................................................................................................ 41
Getting Started...................................................................................................................... 45
Starting the D-Link Embedded Web Interface............................................................................... 46
Understanding the D-Link Embedded Web Interface.................................................................... 48
Using Screen and Table Options..................................................................................................51
Resetting the Device..................................................................................................................... 53
Logging Off from the Device ......................................................................................................... 54
Managing Stacking ...............................................................................................................55
Understanding the Stack Topology............................................................................................... 56
Stacking Chain Topology.............................................................................................................. 56
Exchanging Stacking Members.....................................................................................................58
Switching the Stacking Master...................................................................................................... 58

Table of Contents
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Configuring Stacking .....................................................................................................................59
Managing Device Information ............................................................................................... 60
Defining the System Description ...................................................................................................61
Defining Advanced System Settings .............................................................................................62
Managing Power over Ethernet Devices............................................................................... 63
Defining PoE System Information..................................................................................................64
Defining PoE Interfaces.................................................................................................................66
Configuring Device Security.................................................................................................. 69
Configuring Management Security ................................................................................................70
Configuring Network Security........................................................................................................93
Configuring Ports................................................................................................................ 111
Viewing Port Properties...............................................................................................................114
Aggregating Ports...............................................................................................................116
Aggregating Ports........................................................................................................................117
Configuring LACP........................................................................................................................119
Configuring VLANs ............................................................................................................. 121
Defining VLAN Properties............................................................................................................122
Defining VLAN Membership ........................................................................................................124
Defining VLAN Interface Settings................................................................................................125
Configuring GARP.......................................................................................................................127
Defining VLAN Groups................................................................................................................131
Configuring IP Information.................................................................................................. 135
Configuring IP Interfaces.............................................................................................................135
Configuring Domain Name Servers.............................................................................................143
Defining the Forwarding Database ..................................................................................... 148
Defining Static Forwarding Database Entries..............................................................................149
Defining Dynamic Forwarding Database Entries.........................................................................151
Configuring Spanning Tree.................................................................................................153
Defining Classic Spanning Tree ..................................................................................................154
Defining STP on Interfaces..........................................................................................................156
Defining Rapid Spanning Tree ....................................................................................................158
Defining Multiple Spanning Tree .................................................................................................161
Configuring Multicast Forwarding ....................................................................................... 167
Defining IGMP Snooping.............................................................................................................168

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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Defining Multicast Bridging Groups............................................................................................. 170
Managing System Files....................................................................................................... 174
File Management Overview ........................................................................................................175
Downloading System Files.......................................................................................................... 17
Uploading System Files ............................................................................................................. 177
Activating Image Files................................................................................................................. 178
Copying Files .............................................................................................................................. 179
Managing System Files............................................................................................................... 180
Configuring Quality of Service ............................................................................................ 181
Quality of Service Overview........................................................................................................ 182
Defining General QoS Settings...................................................................................................182
Configuring QoS Mapping........................................................................................................... 187
Configuring Advanced QoS Settings........................................................................................... 189
Configuring SNMP.............................................................................................................. 199
SNMP v1 and v2c ....................................................................................................................... 199
SNMP v3..................................................................................................................................... 199
Configuring SNMP Security ........................................................................................................ 200
Configuring SNMP Notifications..................................................................................................213
Configuring System Time.................................................................................................... 221
Configuring Daylight Savings Time............................................................................................. 222
Configuring SNTP....................................................................................................................... 226
Defining SNTP Global Settings...................................................................................................228
Defining SNTP Authentication..................................................................................................... 230
Defining SNTP Servers............................................................................................................... 232
Defining SNTP Interface Settings ............................................................................................... 234
Managing System Logs ...................................................................................................... 236
Enabling System Logs ................................................................................................................ 237
Viewing the Device Memory Logs............................................................................................... 239
Viewing the FLASH Logs............................................................................................................ 240
Defining Servers Log Parameters............................................................................................... 241
Managing Device Diagnostics............................................................................................. 243
Configuring Port Mirroring........................................................................................................... 244
Viewing Integrated Cable Tests..................................................................................................246
Viewing Optical Transceivers...................................................................................................... 247
Viewing the CPU Utilization ........................................................................................................ 248

Table of Contents
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Viewing Statistics................................................................................................................ 249
Viewing Interface Statistics..........................................................................................................249
Managing RMON Statistics .........................................................................................................257
Appendix A Technical Specifications.................................................................................. 264
Appendix B Cables and Connectors .................................................................................. 267
Appendix C Troubleshooting...............................................................................................269
Problem Management .................................................................................................................270
Troubleshooting Solutions...........................................................................................................270
Warranty......................................................................................................................................273
Product Registration....................................................................................................................276
Contacting D-Link Technical Support..........................................................................................277
International Offices.....................................................................................................................304

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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Preface
The Embedded Web System (EWS) is a network management system. The D-Link Embedded Web Interface con-
figures, monitors, and troubleshoots network devices from a remote web browser. The D-Link Embedded Web
Interface web pages are easy-to-use and easy-to-navigate. In addition, The D-Link Embedded Web Interface pro-
vides real time graphs and RMON statistics to help system administrators monitor network performance.
This preface provides an overview to the D-Link Embedded Interface User Guide, and includes the following sec-
tions:
•DXS-3250/DXS-3227P/DXS-3227 User Guide Overview
•Intended Audience

Preface
DXS-3250/DXS-3227P/DXS-3227 User Guide Overview
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DXS-3250/DXS-3227P/DXS-3227 User Guide Overview
This user guide is divided into the following sections to provide concise information for installing, configuring, and
managing the device:
•Using the Installation Guide
•Using the Embedded Web Interface User Guide
Using the Installation Guide
This section provides an overview of the D-Link DXS-3250/DXS-3227P/DXS-3227 Installation Guide, which
includes the following sections:
•Section 1. Device Description — Provides a system description including the hardware components.
•Section 2. Mounting Device — Provides step-by-step instructions for installing the device.
•Section 3. Starting and Configuring the Device — Provides step-by-step instructions for the initial device
configuration.
Using the Embedded Web Interface User Guide
This section provides an overview to the D-Link Web System Interface User Guide. The D-Link Web System Inter-
face User Guide provides the following sections:
•Section 4. Getting Started — Provides information about using the EWS, including The D-Link Embedded
Web Interface interface, management, and information buttons, as well as information about adding, modify-
ing, and deleting device information.
•Section 5. Managing Stacking — Provides information for managing stacked devices, includuing informa-
tion for understanding the stacking topologies, assigning stacking IDs, and replacing and removing stacking
members.
•Section 6. Managing Device Information — Provides information about opening the device zoom view,
defining general system information, and enabling Jumbo frames.
•Section 7. Managing Power over Ethernet Devices — Provides information about configuring and manag-
ing PoE devices.
•Section 8. Configuring Device Security — Provides information about configuring device security for man-
agement security, traffic control, and network security.
•Section 9. Configuring Ports — Provides information about configuring ports.
•Section 10. Aggregating Ports — Provides information about configuring Link Aggregated Groups and
LACP.
•Section 11. Configuring VLANs — Provides information about configuring and managing VLANs, including
information about GARP and GVRP, and defining VLAN groups.
•Section 12. Configuring IP Information — Provides information about defining device IP addresses, ARP,
and Domain Name Servers.
•Section 13. Defining the Forwarding Database — Provides information about configuring and managing
both static and dynamic MAC addresses.
•Section 14. Configuring Spanning Tree — Provides information about configuring Spanning Tree Protocol
and the Rapid Spanning Tree Protocol.
•Section 15. Configuring Multicast Forwarding — Provides information about Multicast Forwarding.
•Section 18. Configuring SNMP — Provides information about defining SNMP v1,v2c, and v3 management,
including SNMP filters and notifications.
•Section 13. Configuring Quality of Service — Provides information about configuring Quality of Service on
the device.

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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•Section 16. Managing System Files — Provides information about downloading, uploading, and copying
system files.
•Section 20. Managing System Logs — Provides information about enabling and defining system logs.
•Section 21. Managing Device Diagnostics — Provides information about configuring port mirroring, testing
copper and fiber cables, and viewing device health information.
•Section 19. Configuring System Time — Provides information about configuring system time, including
Daylight Savings Time parameters and Simple Network Time Protocol (SNTP) parameters.
•Section 22. Viewing Statistics — Provides information about viewing device statistics, including RMON sta-
tistics, device history events, and port and LAG utilization statistics.
•Appendix A Troubleshooting — Provides basic troubleshooting for installing the device.
Intended Audience
This guide is intended for network administrators familiar with IT concepts and terminology.

Preface
Intended Audience
Page 8

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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Section 1. Device Description
This section contains a description of the D-Link DXS-3250 and D-Link DXS-3227, and contains the following top-
ics:
•Viewing the Device
•Ports Description
•Cable Specifications
•LED Defiitions
•Cable, Port, and Pinout Information
•Physical Dimensions

Device Description
Viewing the Device
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Viewing the Device
The devices described in this section are stackable Gigabit Ethernet Managed Switches. Device management is
performed using an Embedded Web Server (EWS) or through a Command Line Interface (CLI). The device con-
figuration is performed via an RS-232 interface.
This section contains descriptions for the following:
•DXS-3250 Front Panel
•DXS-3227 Front Panel
•Back Panels
DXS-3250 Front Panel
The D-Link DXS-3250 is a 48 port Gigabit Ethernet Managed Switch. The device contains 48 gigabit network ports
and 4 SFP Ports on the front panel for network connectivity, and 2 stacking ports on the back panel.
The following figure illustrates the DXS-3250 front panel.
Figure 1: DXS-3250 Front Panel
The device front panel is configured as follows:
•48 Giga Ethernet ports — RJ-45 ports designated as 10/100/1000Base-T . The RJ-45 ports are designated
as ports Ports 1-48.
•RS-232 Console port — An asynchronous serial console port supporting the RS-232 electrical specification.
The port is used to connect the device to the console managing the device.
•4 SFP Ports — There are four SFP port, which contains 1000Base-X (fiber) connections.
On the front panel there are the Port activity LEDs on each port with the system LEDs displayed separately.
DXS-3227 Front Panel
The D-Link DXS-3227 is a 24 port Gigabit Ethernet Managed Switch. The device contains 24 gigabit network ports
and 4 SFP Ports on the front panel for network connectivity, and 2 stacking ports on the back panel. The device
also contains Power-over-Ethernet.
The following figure illustrates the DXS-3227 front panel.
Figure 2: DXS-3227 Front Panel

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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The device front panel is configured as follows:
•24 Giga Ethernet ports — RJ-45 ports designated as 10/100/1000Base-T . The RJ-45 ports are designated
as ports Ports 1-24.
•RS-232 Console port — An asynchronous serial console port supporting the RS-232 electrical specification.
The port is used to connect the device to the console managing the device.
•4 SFP Ports — There are four SFP port, which contains 1000Base-X (fiber) connections.
On the front panel there are the Port activity LEDs on each port with the system LEDs displayed separately.
Back Panels
The following figure illustrates both the DXS-3250 and DXS-3227 back panels.
Figure 3: DXS-3250 and DXS-3227 Back Panel
The DES-3010 device back panel is configured as follows:
•Reset Button — Resets the device. The Reset button does not extend beyond the device’s front panel sur-
face. This it to avoid accidental device resetting.
•2 Stacking Connectors — The devices provide two stacking HyperG.Link(XG) interface ports.
•RPS Connector — Redundant Power Supply (RPS) DC connector.
•Power Connector — AC power supply interface.

Device Description
Ports Description
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Ports Description
This section describes the device ports and includes the following topics:
•1000Base-T Gigabit Ethernet Ports
•100Base-FX Fiber port
•SFP Port
•RS-232 Console Port
1000Base-T Gigabit Ethernet Ports
The device contains a 1000 Base-TX Gigabit port. The port is an RJ-45 port which supports half- and full-duplex
mode 10/100/1000 Mbps.
100Base-FX Fiber Ports
The 100Base-FX Fast Ethernet port is a Fiber port.
SFP Port
Small Form Factor Pluggable (SFP) Optical Transceivers are integrated duplex data GBIC links for bi-directional
communication over multimode optical fiber, designed for high-speed Fiber Channel data links. The SFP port is
designated as 1000Base-X.
The SFP (GBIC) port can be removed and inserted as required. The following figure illustrates the GBIC insertion.
Figure 4: Inserting a GBIC into the Device

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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Stacking Ports
The device provides two stacking HyperG.Link interface ports. One stacking port provides an Up connection, while
the second provides a Down stacking connection. A 4X to 4X Infidband Cable is used to connect devices in the
stacking configuration.
RS-232 Console Port
The RS-232 port is an asynchronous serial console port supporting the RS-232 electrical specification. The port is
used to connect the device to a console managing the device. This interface configuration is as follows:
•Eight data bits.
•One stop bit.
•No parity.
•Baud rate is 9600 (default). The user can change the rate from 115200 down to 9600 bps.
•Console speeds of 57600 and 115200.

Device Description
Cable Specifications
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Cable Specifications
The following table contains the various cable specification for the DXS-3250/DXS-3227P:
Table 1: DXS-3250/DXS-3227P Cable Specifications
Cable Type Description
1000Base-T UTP Cat. 5e (100 meters max.)
UTP Cat. 5 (100 meters max.)
EIA/TIA-568B 150-ohm STP (100 meters max.)
1000BASE-LX Single-mode fiber module (10km)
1000BASE-SX Multi-mode fiber module (550m)
1000BASE-LH Single-mode fiber module (40km)
1000BASE-ZX Single-mode fiber module (80km)
Mini-GBIC SFP Transceiver for 1000BASE-LX Single-mode fiber module (10km)
SFP Transceiver for 1000BASE-SX Multi-mode fiber module (550m)
SFP Transceiver for 1000BASE-LH Single-mode fiber module (40km)
SFP Transceiver for 1000BASE-ZX Single-mode fiber module (80km)

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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LED Defiitions
The device front panels contain Light Emitting Diodes (LED) that indicate the device status.The different LED
types are as follows:
•Port LEDs — Indicate each port status.
•System — Indicating the device power supply status.
Port LEDs
1000Base-T Gigabit Ethernet RJ-45 Port LEDs
The LEDs on the two devices are differently indicated.
The following figure illustrates the DXS-3250 port LEDs.
Figure 5: DXS-3250 1000Base-T Gigabit Ethernet RJ-45 Port LEDs

Device Description
LED Defiitions
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The DXS-3227 device has the LED indications on a LED panel on the left side of the device.
The following figure illustrates the port LEDs.
Figure 6: DXS-3227 1000Base-T Gigabit Ethernet RJ-45 Port LEDs
The RJ-45 ports on both devices have two LEDs, one for speed, and one for Link /activity. The LED indications are
described in the following table:
SFP LEDs
The following figure illustrates the port LEDs.
Figure 7: SFP LEDs
Table 2: 1000Base-T Gigabit Ethernet RJ-45 Port LED Indications
Port Description LED Indication Description
Speed Green A 1000-Mbps link is established on the port.
Amber A 100-Mbps link is established on the port.
Off A 10-Mbps link is established on the port.
Link/Activity LED Green A link is established on the port.
Flashing Green There is data transmission on the port.
Off No link is established on the port.

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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The Fiber ports each have one LED. The LED indications are described in the following table:
System LEDs
The two devices have different system LEDs.
DXS-3250
The sytstem LEDs on the DXS-3250 device in on the left side of the device. The following figure illustrates the
DXS-3250 system LEDs.
Figure 8: DXS-3250 System LEDs
DXS-3227
The sytstem LEDs on the DXS-3227 device in on the left side of the device. The following figure illustrates the
DXS-3227 system LEDs.
Figure 9: DXS-3227 System LEDs
Table 3: SFP LED Indications
LED Indication Description
Green A link is established on the port.
Flashing Green There is data transmission on the port.
Off No link is established on the port.

Device Description
LED Defiitions
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The LED indications are described in the following table:
Table 4: System LED Indications
LED Description LED
Indication Description
PWR Green The device is powered up.
Off The device is not powered up.
FAN Red Indicates a faulty fan.
Off All fans are functioning correctly.
Fault Red Flashing The device is currently running POST.
Red The device detected POST running error.
RPS Green The device is powered through the RPS.
Off The device is powered through the AC.
P49/P50/P26/P27 - Link/Act for XG Port Green Link established on the port.
Green Flashing There is data transmission on the port.
Off No link is established on the port.
MS Red Device is designated as the stack Master.
Green Device is designated as stack member.
Off Not a memeber of a stack (standalone).

D-Link DXS-3250/DXS-3227P/DXS-3227 User Guide
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Cable, Port, and Pinout Information
This section describes the devices physical interfaces and provides information about cable connections. Stations
are connected to the device ports through the physical interface ports on the front panel. For each station, the
appropriate mode (Half/Full Duplex, Auto Negotiation) is set. The default is Auto Negotiation.
Pin Connections for the 10/100/1000 Ethernet Interface
The switching port can connect to stations wired in standard RJ-45 Ethernet station mode using straight cables.
Transmission devices connected to each other use crossed cables. The following figure illustrates the pin alloca-
tion.
Figure 10: RJ-45 Pin Allocation
The following table describes the pin allocation
Table 5: RJ-45 Pin Connections for 10/100/1000 Base-TX
Pin Use
1TxRx 1+
2TxRx 1-
3TxRx 2+
4TxRx 2-
5TxRx 3+
6TxRx 3-
7TxRx 4+
8TxRx 4-