ZyXEL Communications ES-2108 User manual

www.zyxel.com
ES-2108 Series
Ethernet Switch
User’s Guide
Version 3.8
10/2007
Edition 2
DEFAULT LOGIN
IP Address http://192.168.1.1
User Name admin
Password 1234

About This User's Guide
ES-2108 Series User’s Guide 3
About This User's Guide
Intended Audience
This manual is intended for people who want to install the ES-2108 Series Ethernet Switch
and configure it using the web configurator or via commands. You should have at least a basic
knowledge of TCP/IP networking concepts and topology.
Related Documentation
• Quick Start Guide
The Quick Start Guide contains information on setting up your hardware.
• Web Configurator Online Help
Embedded web help for descriptions of individual screens and supplementary
information.
• Ethernet Switch CLI Reference Guide
The CLI Reference Guide explains how to use the Command-Line Interface (CLI) to
configure the Switch.
"It is recommended you use the web configurator to configure the Switch.
• Supporting Disk
Refer to the included CD for support documents.
• ZyXEL Web Site
Please refer to www.zyxel.com for additional support documentation and product
certifications.
User Guide Feedback
Help us help you. Send all User Guide-related comments, questions or suggestions for
improvement to the following address, or use e-mail instead. Thank you!
The Technical Writing Team,
ZyXEL Communications Corp.,
6 Innovation Road II,
Science-Based Industrial Park,
Hsinchu, 300, Taiwan.
E-mail: [email protected]

Document Conventions
ES-2108 Series User’s Guide
4
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
1Warnings tell you about things that could harm you or your device.
"Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The Switch Series may be referred to as the “Switch”, the “device”, the “system” or the
“product” in this User’s Guide.
• Product labels, screen names, field labels and field choices are all in bold font.
• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER]
means the “enter” or “return” key on your keyboard.
• “Enter” means for you to type one or more characters and then press the [ENTER] key.
“Select” or “choose” means for you to use one of the predefined choices.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For example,
Maintenance > Log > Log Setting means you first click Maintenance in the navigation
panel, then the Log sub menu and finally the Log Setting tab to get to that screen.
• Units of measurement may denote the “metric” value or the “scientific” value. For
example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000”
or “1048576” and so on.
• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.

Document Conventions
ES-2108 Series User’s Guide 5
Icons Used in Figures
Figures in this User’s Guide may use the following generic icons. The Switch icon is not an
exact representation of your device.
The Switch Computer Notebook computer
Server DSLAM Firewall
Telephone Switch Router

Safety Warnings
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6
Safety Warnings
1For your safety, be sure to read and follow all warning notices and instructions.
• Do NOT use this product near water, for example, in a wet basement or near a swimming
pool.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk
of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• Do NOT open the device or unit. Opening or removing covers can expose you to
dangerous high voltage points or other risks. ONLY qualified service personnel should
service or disassemble this device. Please contact your vendor for further information.
• Make sure to connect the cables to the correct ports.
• Place connecting cables carefully so that no one will step on them or stumble over them.
• Always disconnect all cables from this device before servicing or disassembling.
• Use ONLY an appropriate power adaptor or cord for your device. Connect it to the right
supply voltage (for example, 110V AC in North America or 230V AC in Europe).
• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the
product where anyone can walk on the power adaptor or cord.
• Do NOT use the device if the power adaptor or cord is damaged as it might cause
electrocution.
• If the power adaptor or cord is damaged, remove it from the device and the power source.
• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a
new one.
• Do not use the device outside, and make sure all the connections are indoors. There is a
remote risk of electric shock from lightning.
• The PoE (Power over Ethernet) devices that supply or receive power and their connected
Ethernet cables must all be completely indoors.
• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your
device.

Safety Warnings
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This product is recyclable. Dispose of it properly.

Safety Warnings
ES-2108 Series User’s Guide
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Contents Overview
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Contents Overview
Introduction ............................................................................................................................29
Getting to Know Your Switch ..................................................................................................... 31
Hardware Installation and Connection ....................................................................................... 37
Hardware Overview ................................................................................................................... 41
Basic Configuration ...............................................................................................................49
The Web Configurator ............................................................................................................... 51
Initial Setup Example ................................................................................................................. 61
System Status and Port Statistics ..............................................................................................65
Basic Setting ............................................................................................................................. 71
Advanced Setup .....................................................................................................................85
VLAN ......................................................................................................................................... 87
Static MAC Forwarding .............................................................................................................. 97
Filtering ...................................................................................................................................... 99
Spanning Tree Protocol ...........................................................................................................101
Bandwidth Control ....................................................................................................................115
Broadcast Storm Control ..........................................................................................................117
Mirroring ...................................................................................................................................119
Link Aggregation ...................................................................................................................... 121
Port Authentication .................................................................................................................. 127
Port Security ............................................................................................................................ 131
Queuing Method ...................................................................................................................... 135
Multicast .................................................................................................................................. 137
Authentication & Accounting ....................................................................................................151
IP Source Guard ...................................................................................................................... 165
Loop Guard .............................................................................................................................. 175
IP Application .......................................................................................................................179
Static Route ............................................................................................................................. 181
Differentiated Services ............................................................................................................. 185
DHCP ...................................................................................................................................... 189
Management .........................................................................................................................195
Maintenance ............................................................................................................................197
Access Control ........................................................................................................................ 203
Diagnostic ................................................................................................................................ 221

Contents Overview
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Syslog ......................................................................................................................................223
Cluster Management ............................................................................................................... 227
MAC Table ............................................................................................................................... 233
ARP Table ................................................................................................................................ 235
Configure Clone ....................................................................................................................... 237
Troubleshooting and Appendices ......................................................................................239
Troubleshooting ....................................................................................................................... 241