ZyXEL Communications Dimension GS-4024 User manual

GS-4024
Ethernet Switch
User’s Guide
Version 3.60
4/2005

GS-4024 User’s Guide
Copyright 1
Copyright
Copyright © 2005 by ZyXEL Communications Corporation.
The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a
retrieval system, translated into any language, or transmitted in any form or by any means, electronic,
mechanical, magnetic, optical, chemical, photocopying, manual, or otherwise, without the prior written
permission of ZyXEL Communications Corporation.
Published by ZyXEL Communications Corporation. All rights reserved.
Disclaimer
ZyXEL does not assume any liability arising out of the application or use of any products, or software
described herein. Neither does it convey any license under its patent rights nor the patent rights of others.
ZyXEL further reserves the right to make changes in any products described herein without notice. This
publication is subject to change without notice.

GS-4024 User’s Guide
2 Interference Statements and Warnings
Interference Statements and
Warnings
FCC Statement
This switch complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:
1This switch may not cause harmful interference.
2This switch must accept any interference received, including interference that may cause undesired
operations.
FCC Warning
This equipment has been tested and found to comply with the limits for a Class A digital switch, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the interference at his own expense.
CE Mark Warning:
This is a class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures.
Taiwanese BSMI (Bureau of Standards, Metrology and Inspection) A Warning:
Notice 1
Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
Certifications
1Go to www.zyxel.com

GS-4024 User’s Guide
Interference Statements and Warnings 3
2Select your product from the drop-down list box on the ZyXEL home page to go to that product's
page.
3Select the certification you wish to view from this page.
Registration
Register your product online for free future product updates and information at www.zyxel.com for global
products, or at www.us.zyxel.com for North American products.
Safety Warnings
For your safety, be sure to read and follow all warning notices and instructions.
• To reduce the risk of fire, use only No. 26 AWG (American Wire Gauge) or larger telecommunication
line cord.
• 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 can service the device. Please contact
your vendor for further information.
• Use ONLY the dedicated power supply for your device. Connect the power cord or power adaptor to
the right supply voltage (110V AC in North America or 230V AC in Europe).
• Do NOT use the device if the power supply is damaged as it might cause electrocution.
• If the power supply is damaged, remove it from the power outlet.
• Do NOT attempt to repair the power supply. Contact your local vendor to order a new power supply.
• Place connecting cables carefully so that no one will step on them or stumble over them. Do NOT
allow anything to rest on the power cord and do NOT locate the product where anyone can walk on
the power cord.
• If you wall mount your device, make sure that no electrical, gas or water pipes will be damaged.
• Do NOT install nor use your device during a thunderstorm. There may be a remote risk of electric
shock from lightning.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT use this product near water, for example, in a wet basement or near a swimming pool.
• Make sure to connect the cables to the correct ports.
• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your device.
• Do NOT store things on the device.
• Connect ONLY suitable accessories to the device.

GS-4024 User’s Guide
4ZyXEL Limited Warranty
ZyXEL Limited Warranty
ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in materials
or workmanship for a period of up to two years from the date of purchase. During the warranty period, and
upon proof of purchase, should the product have indications of failure due to faulty workmanship and/or
materials, ZyXEL will, at its discretion, repair or replace the defective products or components without
charge for either parts or labor, and to whatever extent it shall deem necessary to restore the product or
components to proper operating condition. Any replacement will consist of a new or re-manufactured
functionally equivalent product of equal value, and will be solely at the discretion of ZyXEL. This
warranty shall not apply if the product is modified, misused, tampered with, damaged by an act of God, or
subjected to abnormal working conditions.
Note
Repair or replacement, as provided under this warranty, is the exclusive remedy of the purchaser. This
warranty is in lieu of all other warranties, express or implied, including any implied warranty of
merchantability or fitness for a particular use or purpose. ZyXEL shall in no event be held liable for
indirect or consequential damages of any kind of character to the purchaser.
To obtain the services of this warranty, contact ZyXEL's Service Center for your Return Material
Authorization number (RMA). Products must be returned Postage Prepaid. It is recommended that the unit
be insured when shipped. Any returned products without proof of purchase or those with an out-dated
warranty will be repaired or replaced (at the discretion of ZyXEL) and the customer will be billed for parts
and labor. All repaired or replaced products will be shipped by ZyXEL to the corresponding return address,
Postage Paid. This warranty gives you specific legal rights, and you may also have other rights that vary
from country to country.

GS-4024 User’s Guide
Customer Support 5
Customer Support
Please have the following information ready when you contact customer support.
• Product model and serial number.
• Warranty Information.
• Date that you received your device.
• Brief description of the problem and the steps you took to solve it.
METHOD
LOCATION
SUPPORT E-MAIL TELEPHONE* WEB SITE
REGULAR MAIL
SALES E-MAIL FAX FTP SITE
CORPORATE
HEADQUARTERS
(WORLDWIDE)
[email protected] [phone] www.zyxel.com
www.europe.zyxel.com
ZyXEL Communications Corp.
6 Innovation Road II
Science Park
Hsinchu 300
Taiw an
[email protected] [phone] ftp.zyxel.com
ftp.europe.zyxel.com
CZECH REPUBLIC
[email protected] [phone] www.zyxel.cz ZyXEL Communications
Czech s.r.o.
Modranská 621
143 01 Praha 4 - Modrany
Ceská Republika
[email protected] [phone]
DENMARK
[email protected] [phone] www.zyxel.dk ZyXELCommunicationsA/S
Columbus vej 5
2860 Soeborg
Denmark
[email protected] [phone]
FINLAND
[email protected] [phone] www.zyxel.fi ZyXEL Communications Oy
Malminka ari 10
00700 Helsinki
Finland
[email protected] [phone]
FRANCE
[email protected] [phone] www.zyxel.fr Z y X E L F r a n c e
1 rue d es Ve rge rs
Bat. 1 / C
69760 Limonest
France
[phone]
GERMANY
[email protected] [phone] www.zyxel.de ZyXEL Deutschland GmbH.
Adenauerstr. 20/A2 D-52146
Wuerselen
Germany
[email protected] [phone]
NORTH AMERICA
[email protected] [phone]
[phone]
www.us.zyxel.com ZyXEL Communications Inc.
1130 N. Miller St.
Anaheim
CA 92806-2001
U.S.A.
[email protected] [phone] ftp.us.zyxel.com
NORWAY
[email protected] [phone] www.zyxel.no ZyXELCommunicationsA/S
Nils Hansens vei 13
0667 Oslo
Norway
[email protected] [phone]
SPAIN
[email protected] [phone] www.zyxel.es ZyXEL Communications
Alejandro Villegas 33
1º,28043Madrid
Spain
[email protected] [phone]
SWEDEN
[email protected] [phone] www.zyxel.se ZyXEL Communications A/S
Sjöporten 4, 41764 Göteborg
Sweden
[email protected] [phone]

GS-4024 User’s Guide
6Customer Support
UNITED KINGDOM
[email protected] [phone] www.zyxel.co.uk ZyXEL Communications UK
Ltd.,11 The Courtyard,
Eastern Road, Bracknell,
Berkshire, RG12 2XB,
United Kingdom (UK)
[email protected] [phone]
0906 7370001(UK
only)
ftp.zyxel.co.uk
* “+” is the (prefix) number you enter to make an international telephone call.
METHOD
LOCATION
SUPPORT E-MAIL TELEPHONE* WEB SITE
REGULAR MAIL
SALES E-MAIL FAX FTP SITE

GS-4024 User’s Guide
Table of Contents 7
Table of Contents
Copyright .................................................................................................................. 1
Interference Statements and Warnings.................................................................. 2
ZyXEL Limited Warranty ......................................................................................... 4
Customer Support ................................................................................................... 5
Table of Contents..................................................................................................... 7
List of Figures ........................................................................................................ 19
List of Tables .......................................................................................................... 25
Preface.................................................................................................................... 29
Chapter 1
Getting to Know Your Switch................................................................................ 31
1.1 Introduction ........................................................................................................ 31
1.2 Software Features ............................................................................................. 31
1.3 Hardware Features ............................................................................................ 34
1.4 Applications ....................................................................................................... 35
1.4.1 Backbone Application ............................................................................... 35
1.4.2 Bridging Example ..................................................................................... 35
1.4.3 High Performance Switching Example ..................................................... 36
1.4.4 IEEE 802.1Q VLAN Application Examples .............................................. 36
1.4.4.1 Tag-based VLAN Example ............................................................. 37
1.4.4.2 VLAN Shared Server Example ....................................................... 37
Chapter 2
Hardware Installation and Connection ................................................................ 39
2.1 Freestanding Installation ................................................................................... 39
2.2 Mounting the Switch on a Rack ........................................................................ 40
2.2.1 Rack-mounted Installation Requirements ................................................ 40
2.2.1.1 Precautions .................................................................................... 40
2.2.2 Attaching the Mounting Brackets to the Switch ........................................ 40
2.2.3 Mounting the Switch on a Rack ................................................................ 40
Chapter 3
Hardware Overview................................................................................................ 43
3.1 Front Panel Connection .................................................................................... 43

GS-4024 User’s Guide
8Table of Contents
3.1.1 Console Port ........................................................................................... 43
3.1.2 Gigabit Ethernet Ports ............................................................................. 44
3.1.2.1 Default Ethernet Settings ................................................................ 44
3.1.3 Mini-GBIC Slots ....................................................................................... 44
3.1.3.1 Transceiver Installation ................................................................ 44
3.1.3.2 Transceiver Removal ................................................................... 45
3.2 Rear Panel ........................................................................................................ 46
3.2.1 Power Connector ..................................................................................... 46
3.2.2 External Backup Power Supply Connector ............................................. 47
3.3 Front Panel LEDs .......................................................................................... 47
3.4 Accessing the Switch ........................................................................................ 48
Chapter 4
The Web Configurator ........................................................................................... 49
4.1 Introduction ........................................................................................................ 49
4.2 System Login .................................................................................................. 49
4.3 The Status Screen ........................................................................................ 50
4.3.1 Change Your Password ........................................................................ 54
4.4 Switch Lockout ................................................................................................ 54
4.5 Resetting the Switch ....................................................................................... 55
4.5.1 Reload the Configuration File ................................................................. 55
4.6 Logging Out of the Web Configurator ............................................................... 56
4.7 Help ................................................................................................................. 56
Chapter 5
Initial Setup Example............................................................................................. 57
5.1 Overview ............................................................................................................ 57
5.1.1 Configuring an IP Interface ...................................................................... 57
5.1.2 Configuring DHCP Server Settings .......................................................... 58
5.1.3 Creating a VLAN ...................................................................................... 59
5.1.4 Setting Port VID ....................................................................................... 60
5.1.5 Enabling RIP ............................................................................................ 61
Chapter 6
System Status and Port Statistics ........................................................................ 63
6.1 Overview ............................................................................................................ 63
6.2 Port Status Summary ...................................................................................... 63
6.2.1 Port Details ............................................................................................. 64
Chapter 7
Basic Setting ......................................................................................................... 69
7.1 Overview ............................................................................................................ 69
7.2 System Information ........................................................................................... 69

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Table of Contents 9
7.3 General Setup ................................................................................................. 71
7.4 Introduction to VLANs ...................................................................................... 73
7.5 IGMP Snooping ................................................................................................ 74
7.6 Switch Setup Screen ........................................................................................ 74
7.7 IP Setup ............................................................................................................ 76
7.7.1 IP Interfaces ............................................................................................ 76
7.8 Port Setup ......................................................................................................... 78
Chapter 8
VLAN ....................................................................................................................... 81
8.1 Introduction to IEEE 802.1Q Tagged VLAN .................................................... 81
8.1.1 Forwarding Tagged and Untagged Frames ............................................. 81
8.2 Automatic VLAN Registration .......................................................................... 82
8.2.1 GARP ...................................................................................................... 82
8.2.1.1 GARP Timers ................................................................................. 82
8.2.2 GVRP ....................................................................................................... 82
8.3 Port VLAN Trunking ......................................................................................... 83
8.4 Selecting the VLAN Type .................................................................................. 83
8.5 Static VLAN ....................................................................................................... 84
8.5.1 Static VLAN Status ................................................................................... 84
8.5.2 Configure a Static VLAN ........................................................................ 85
8.5.3 Configure VLAN Port Settings ................................................................. 86
8.6 Port-based VLANs ........................................................................................... 88
8.6.1 Configure a Port-based VLAN .................................................................. 88
Chapter 9
Static MAC Forward Setup.................................................................................... 93
9.1 Overview ............................................................................................................ 93
9.2 Configuring Static MAC Forwarding ................................................................ 93
Chapter 10
Filtering................................................................................................................... 95
10.1 Overview .......................................................................................................... 95
10.2 Configure a Filtering Rule ............................................................................... 95
Chapter 11
Spanning Tree Protocol......................................................................................... 97
11.1 Overview .......................................................................................................... 97
11.1.1 STP Terminology ................................................................................... 97
11.1.2 How STP Works .................................................................................... 98
11.1.3 STP Port States ..................................................................................... 98
11.2 STP Status ..................................................................................................... 98
11.2.1 Configure STP ..................................................................................... 100

GS-4024 User’s Guide
10 Table of Contents
Chapter 12
Bandwidth Control............................................................................................... 103
12.1 Configuring .................................................................................................... 103
Chapter 13
Broadcast Storm Control .................................................................................... 105
13.1 Overview ....................................................................................................... 105
13.2 Broadcast Storm Control Setup ..................................................................... 105
Chapter 14
Mirroring ............................................................................................................... 107
14.1 Overview ........................................................................................................ 107
14.2 Port Mirroring Configuration .......................................................................... 107
Chapter 15
Link Aggregation ................................................................................................. 109
15.1 Overview ........................................................................................................ 109
15.1.1 Dynamic Link Aggregation ................................................................. 109
15.1.2 Link Aggregation ID ............................................................................. 110
15.2 Link Aggregation Status ................................................................................ 110
15.3 Link Aggregation Setup .................................................................................111
Chapter 16
Port Authentication...............................................................................................115
16.1 Overview ........................................................................................................ 115
16.1.1 RADIUS ............................................................................................... 115
16.2 Configure Port Authentication ........................................................................ 115
16.2.1 Activate IEEE 802.1x Security ........................................................... 116
16.2.2 Configuring RADIUS Server Settings ................................................. 117
Chapter 17
Port Security..........................................................................................................119
17.1 Overview ........................................................................................................ 119
17.2 Port Security Setup ........................................................................................ 119
Chapter 18
Classifier............................................................................................................... 121
18.1 Overview ........................................................................................................ 121
18.2 Configuring the Classifier .............................................................................. 121
18.3 Viewing and Editing Classifier Configuration ................................................ 124
18.4 Classifier Example ......................................................................................... 125

GS-4024 User’s Guide
Table of Contents 11
Chapter 19
Policy Rule........................................................................................................... 127
19.1 Overview ....................................................................................................... 127
19.1.1 DiffServ ............................................................................................... 127
19.1.2 DSCP and Per-Hop Behavior .............................................................. 127
19.2 Configuring Policy Rules ............................................................................... 127
19.3 Viewing and Editing Policy Configuration ...................................................... 130
19.4 Policy Example .............................................................................................. 131
Chapter 20
Queuing Method................................................................................................... 133
20.1 Overview ........................................................................................................ 133
20.1.1 Strict Priority Queuing (SPQ) .............................................................. 133
20.1.2 Weighted Round Robin Scheduling (WRR) ......................................... 134
20.2 Configuring Queuing ..................................................................................... 134
Chapter 21
VLAN Stacking ..................................................................................................... 137
21.1 Introduction .................................................................................................... 137
21.1.1 VLAN Stacking Example ...................................................................... 137
21.2 VLAN Stacking Port Roles ............................................................................. 138
21.3 VLAN Tag Format .......................................................................................... 138
21.3.1 Frame Format ...................................................................................... 139
21.4 Configuring VLAN Stacking ........................................................................... 140
Chapter 22
Static Route .......................................................................................................... 143
22.1 Configuring .................................................................................................. 143
Chapter 23
RIP ........................................................................................................................ 145
23.1 Overview ........................................................................................................ 145
23.2 Configuring .................................................................................................. 145
Chapter 24
OSPF ..................................................................................................................... 147
24.1 Overview ........................................................................................................ 147
24.1.1 OSPF Autonomous Systems and Areas .............................................. 147
24.1.2 How OSPF Works ................................................................................ 148
24.1.3 Interfaces and Virtual Links .................................................................. 148
24.1.4 Configuring OSPF ............................................................................... 148
24.2 OSPF Status ................................................................................................ 149
24.3 Enabling OSPF and General Settings .......................................................... 150

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12 Table of Contents
24.4 Configuring OSPF Areas .............................................................................. 152
24.4.1 Viewing OSPF Area Information Table ................................................. 153
24.5 Configuring OSPF Interfaces ....................................................................... 154
24.6 OSPF Virtual Links ...................................................................................... 155
Chapter 25
IGMP...................................................................................................................... 157
25.1 Overview ........................................................................................................ 157
25.2 Configuring .................................................................................................. 157
Chapter 26
DVMRP .................................................................................................................. 159
26.1 Overview ........................................................................................................ 159
26.2 How DVMRP Works ...................................................................................... 159
26.2.1 DVMRP Terminology ........................................................................... 160
26.3 Configuring DVMRP ..................................................................................... 160
26.3.1 DVMRP Configuration Error Messages .............................................. 161
26.4 Default DVMRP Timer Values ...................................................................... 162
Chapter 27
IP Multicast ........................................................................................................... 163
27.1 Overview ........................................................................................................ 163
27.2 Configuring .................................................................................................... 163
Chapter 28
Differentiated Services ........................................................................................ 165
28.1 Overview ........................................................................................................ 165
28.1.1 DSCP and Per-Hop Behavior .............................................................. 165
28.1.2 DiffServ Network Example .................................................................. 165
28.2 Activating DiffServ ........................................................................................ 166
28.3 DSCP-to-IEEE802.1p Priority Mapping ...................................................... 167
28.3.1 Configuring DSCP Settings .................................................................. 167
Chapter 29
DHCP..................................................................................................................... 169
29.1 Overview ........................................................................................................ 169
29.1.1 DHCP modes ...................................................................................... 169
29.1.2 DHCP Relay Agent Information ........................................................... 169
29.2 DHCP Server Status ...................................................................................... 170
29.3 Configuring DHCP Server ........................................................................... 170
29.3.1 DHCP Server Configuration Example .................................................. 172
29.4 Configuring DHCP Relay ............................................................................... 172
29.4.1 DHCP Relay Configuration Example ................................................... 173

GS-4024 User’s Guide
Table of Contents 13
Chapter 30
VRRP ..................................................................................................................... 175
30.1 Overview ........................................................................................................ 175
30.2 Viewing VRRP Status .................................................................................. 176
30.3 Configuring VRRP ......................................................................................... 177
30.3.1 IP Interface Setup ............................................................................... 177
30.3.2 VRRP Parameters ............................................................................... 178
30.3.2.1 Advertisement Interval ............................................................... 178
30.3.2.2 Priority ....................................................................................... 178
30.3.2.3 Preempt Mode ........................................................................... 178
30.3.3 Configuring VRRP Parameters ............................................................ 179
30.4 VRRP Configuration Summary ...................................................................... 180
30.5 VRRP Configuration Examples .................................................................... 180
30.5.1 One Subnet Network Example ............................................................ 180
30.5.2 Two Subnets Example ........................................................................ 182
Chapter 31
Maintenance ......................................................................................................... 185
31.1 The Maintenance Screen .............................................................................. 185
31.2 Firmware Upgrade ........................................................................................ 185
31.3 Restore a Configuration File ......................................................................... 186
31.4 Backing Up a Configuration File ................................................................... 186
31.5 Load Factory Defaults .................................................................................. 187
31.6 Reboot System .............................................................................................. 187
31.7 FTP Command Line ...................................................................................... 188
31.7.1 Filename Conventions ........................................................................ 188
31.7.1.1 Example FTP Commands .......................................................... 188
31.7.2 FTP Command Line Procedure .......................................................... 189
31.7.3 GUI-based FTP Clients ........................................................................ 189
31.7.4 FTP over WAN Restrictions ................................................................ 190
Chapter 32
Access Control..................................................................................................... 191
32.1 Overview ...................................................................................................... 191
32.2 The Access Control Main Screen .................................................................. 191
32.3 About SNMP ................................................................................................. 192
32.3.1 Supported MIBs ................................................................................. 193
32.3.2 SNMP Traps ....................................................................................... 193
32.3.3 Configuring SNMP .............................................................................. 194
32.3.4 Setting Up Login Accounts ................................................................. 194
32.4 SSH Overview ............................................................................................... 195
32.5 How SSH works ............................................................................................. 196
32.6 SSH Implementation on the Switch ............................................................... 197

GS-4024 User’s Guide
14 Table of Contents
32.6.1 Requirements for Using SSH ............................................................... 197
32.7 Introduction to HTTPS ................................................................................... 197
32.8 HTTPS Example ............................................................................................ 198
32.8.1 Internet Explorer Warning Messages ................................................... 198
32.8.2 Netscape Navigator Warning Messages .............................................. 199
32.8.3 The Main Screen .................................................................................. 200
32.9 Service Port Access Control ........................................................................ 202
32.10 Remote Management ................................................................................ 202
Chapter 33
Diagnostic............................................................................................................. 205
33.1 Diagnostic ..................................................................................................... 205
Chapter 34
Cluster Management............................................................................................ 207
34.1 Overview ........................................................................................................ 207
34.2 Cluster Management Status ......................................................................... 208
34.2.1 Cluster Member Switch Management ................................................. 209
34.2.1.1 Uploading Firmware to a Cluster Member Switch .................... 209
34.3 Configuring Cluster Management ................................................................. 210
Chapter 35
MAC Table............................................................................................................. 213
35.1 Overview ........................................................................................................ 213
35.2 Viewing the MAC Table ................................................................................. 214
Chapter 36
IP Table ................................................................................................................. 215
36.1 Overview ........................................................................................................ 215
36.2 Viewing the IP Table ..................................................................................... 216
Chapter 37
ARP Table ............................................................................................................. 217
37.1 Overview ........................................................................................................ 217
37.1.1 How ARP Works .................................................................................. 217
37.2 Viewing the ARP Table ................................................................................. 217
Chapter 38
Routing Table ....................................................................................................... 219
38.1 Overview ........................................................................................................ 219
38.2 Viewing the Routing Table ............................................................................ 219

GS-4024 User’s Guide
Table of Contents 15
Chapter 39
Introducing the Commands .............................................................................. 221
39.1 Overview ........................................................................................................ 221
39.1.1 Switch Configuration File ..................................................................... 221
39.2 Accessing the CLI .......................................................................................... 221
39.2.1 Access Priority .................................................................................... 222
39.2.2 The Console Port ................................................................................. 222
39.2.2.1 Initial Screen ............................................................................... 222
39.2.3 Telnet ................................................................................................... 222
39.3 The Login Screen ......................................................................................... 223
39.4 Command Syntax Conventions ..................................................................... 223
39.5 Getting Help ................................................................................................... 224
39.5.1 List of Available Commands ................................................................. 224
39.5.2 Detailed Command Information ........................................................... 225
39.6 Command Modes .......................................................................................... 225
39.7 Using Command History ................................................................................ 226
39.8 Saving Your Configuration ............................................................................. 226
39.8.1 Logging Out .......................................................................................... 227
39.9 Command Summary ...................................................................................... 227
39.9.1 User Mode ............................................................................................ 227
39.9.2 Enable Mode ........................................................................................ 228
39.9.3 General Configuration Mode ................................................................ 232
39.9.4 interface port-channel Commands ....................................................... 243
39.9.5 interface route-domain Commands ...................................................... 246
39.9.6 config-vlan Commands ........................................................................ 247
Chapter 40
Command Examples........................................................................................... 249
40.1 Overview ........................................................................................................ 249
40.2 show Commands ........................................................................................... 249
40.2.1 show system-information .................................................................... 249
40.2.2 show hardware-monitor ........................................................................ 250
40.2.3 show ip ................................................................................................. 250
40.2.4 show logging ....................................................................................... 251
40.2.5 show interface ..................................................................................... 251
40.2.6 show mac address-table ..................................................................... 252
40.3 ping ............................................................................................................... 253
40.4 traceroute ...................................................................................................... 254
40.5 Enabling RSTP .............................................................................................. 254
40.6 Configuration File Maintenance .................................................................... 255
40.6.1 Backing up Configuration ..................................................................... 255
40.6.2 Restoring Configuration ...................................................................... 255
40.6.3 Using a Different Configuration File ..................................................... 256

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16 Table of Contents
40.6.4 Resetting to the Factory Default ........................................................... 256
40.7 no Command Examples ................................................................................ 257
40.7.1 no mirror-port ...................................................................................... 257
40.7.2 no https timeout .................................................................................... 257
40.7.3 no trunk ................................................................................................ 258
40.7.4 no port-access-authenticator ................................................................ 258
40.7.5 no ssh ................................................................................................... 259
40.8 interface Commands ..................................................................................... 259
40.8.1 interface port-channel ......................................................................... 260
40.8.2 interface route-domain ......................................................................... 260
40.8.3 bpdu-control ........................................................................................ 261
40.8.4 broadcast-limit ..................................................................................... 261
40.8.5 bandwidth-limit .................................................................................... 262
40.8.6 mirror ................................................................................................... 263
40.8.7 gvrp ..................................................................................................... 263
40.8.8 ingress-check ...................................................................................... 264
40.8.9 frame-type ........................................................................................... 264
40.8.10 spq .................................................................................................... 265
40.8.11 wrr ..................................................................................................... 265
40.8.12 egress set .......................................................................................... 266
40.8.13 qos priority .......................................................................................... 266
40.8.14 name .................................................................................................. 267
40.8.15 speed-duplex ...................................................................................... 267
Chapter 41
IEEE 802.1Q Tagged VLAN Commands ............................................................. 269
41.1 IEEE 802.1Q Tagged VLAN Overview .......................................................... 269
41.2 VLAN Databases ........................................................................................... 269
41.2.1 Static Entries (SVLAN Table) ............................................................... 269
41.2.2 Dynamic Entries (DVLAN Table) .......................................................... 270
41.3 Configuring Tagged VLAN ............................................................................. 270
41.4 Global VLAN1Q Tagged VLAN Configuration Commands ............................ 271
41.4.1 GARP Status ........................................................................................ 271
41.4.2 GARP Timer ........................................................................................ 271
41.4.3 GVRP Timer ......................................................................................... 272
41.4.4 Enable GVRP ....................................................................................... 272
41.4.5 Disable GVRP ...................................................................................... 273
41.5 Port VLAN Commands .................................................................................. 273
41.5.1 Set Port VID ........................................................................................ 273
41.5.2 Set Acceptable Frame Type ................................................................. 273
41.5.3 Enable or Disable Port GVRP .............................................................. 274
41.5.4 Modify Static VLAN ............................................................................. 274
41.5.4.1 Modify a Static VLAN Table Example ......................................... 275

GS-4024 User’s Guide
Table of Contents 17
41.5.4.2 Forwarding Process Example ..................................................... 275
41.5.5 Delete VLAN ID .................................................................................... 275
41.6 Enable VLAN ................................................................................................ 276
41.7 Disable VLAN ................................................................................................ 276
41.8 Show VLAN Setting ...................................................................................... 276
Chapter 42
Troubleshooting................................................................................................... 279
42.1 Problems Starting Up the Switch ................................................................... 279
42.2 Problems Accessing the Switch .................................................................... 279
42.2.1 Pop-up Windows, JavaScripts and Java Permissions ......................... 280
42.2.1.1 Internet Explorer Pop-up Blockers .............................................. 280
42.2.1.2 JavaScripts ................................................................................. 283
42.2.1.3 Java Permissions ....................................................................... 285
42.3 Problems with the Password ......................................................................... 287
Appendix A
Product Specifications ........................................................................................ 289
Appendix B
IP Subnetting........................................................................................................ 293
Index...................................................................................................................... 301

GS-4024 User’s Guide
18 Table of Contents

GS-4024 User’s Guide
List of Figures 19
List of Figures
Figure 1 Backbone Application .............................................................................. 35
Figure 2 Bridging Application ................................................................................ 36
Figure 3 High Performance Switched Workgroup Application ............................... 36
Figure 4 VLAN Application .................................................................................... 37
Figure 5 Shared Server Using VLAN Example ...................................................... 37
Figure 6 Attaching Rubber Feet ........................................................................... 39
Figure 7 Attaching the Mounting Brackets ............................................................. 40
Figure 8 Mounting the Switch on a Rack .............................................................. 41
Figure 9 Front Panel ............................................................................................. 43
Figure 10 Transceiver Installation Example ........................................................... 45
Figure 11 Installed Transceiver ............................................................................ 45
Figure 12 Opening the Transceiver’s Latch Example ............................................ 46
Figure 13 Transceiver Removal Example .............................................................. 46
Figure 14 Rear Panel ............................................................................................ 46
Figure 15 Web Configurator: Login ........................................................................ 49
Figure 16 Web Configurator Home Screen (Status) .............................................. 50
Figure 17 Change Administrator Login Password ................................................. 54
Figure 18 Resetting the Switch: Via the Console Port ........................................... 56
Figure 19 Web Configurator: Logout Screen ......................................................... 56
Figure 20 Initial Setup Network Example: IP Interface .......................................... 57
Figure 21 Initial Setup Network Example: VLAN ................................................... 59
Figure 22 Initial Setup Network Example: Port VID ............................................... 60
Figure 23 Status .................................................................................................... 63
Figure 24 Status: Port Details ................................................................................ 65
Figure 25 System Info ........................................................................................... 70
Figure 26 General Setup ....................................................................................... 72
Figure 27 Switch Setup ......................................................................................... 74
Figure 28 IP Setup .................................................................................................. 77
Figure 29 Port Setup ............................................................................................. 78
Figure 30 Port VLAN Trunking ............................................................................... 83
Figure 31 Switch Setup: Select VLAN Type .......................................................... 83
Figure 32 VLAN: VLAN Status .............................................................................. 84
Figure 33 VLAN: Static VLAN ............................................................................... 85
Figure 34 VLAN: VLAN Port Setting ...................................................................... 87
Figure 35 Port Based VLAN Setup (All Connected) .............................................. 89
Figure 36 Port Based VLAN Setup (Port Isolation) ............................................... 90
Figure 37 Static MAC Forwarding .......................................................................... 93
Figure 38 Filtering .................................................................................................. 95