ZyXEL GS-2750 User Manual
GS-2750
Intelligent Layer 3+ Switch
User’s Guide
Version 3.80
11/2007
Edition 1
DEFAULT LOGIN
In-band IP Address http://192.168.1.1
Out-of-band IP Address http://192.168.0.1
User Name admin
Password 1234
www.zyxel.com
About This User's Guide
About This User's Guide
Intended Audience
This manual is intended for people who want to configure the Switch using the web
configurator or via commands. You should have at least a basic knowledge of TCP/IP
networking concepts and topology.
Related Documentation
• Web Configurator Online Help
Embedded web help for descriptions of individual screens and supplementary
information.
• Command Reference Guide
The Command Reference Guide explains how to use the Command-Line Interface (CLI)
and CLI commands 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
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: techwriters@zyxel.com.tw
for additional support documentation and product
GS-2750 User’s Guide
3
Document Conventions
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
1 Warnings 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 GS-2750 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.
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GS-2750 User’s Guide
Document Conventions
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
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Safety Warnings
Safety Warnings
1 For 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.
• For continued protection against risk of fire replace only with same type and rating of
fuse.
• 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.
• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your
device.
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GS-2750 User’s Guide
This product is recyclable. Dispose of it properly.
Safety Warnings
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Safety Warnings
8
GS-2750 User’s Guide
Contents Overview
Contents Overview
Introduction ............................................................................................................................ 31
Getting to Know Your Switch ..................................................................................................... 33
Hardware Installation and Connection ....................................................................................... 37
Hardware Overview ................................................................................................................... 41
Basic Configuration ...............................................................................................................47
The Web Configurator ............................................................................................................... 49
Initial Setup Example ................................................................................................................. 59
System Status and Port Statistics ..............................................................................................65
Basic Setting ............................................................................................................................. 71
Advanced Setup .....................................................................................................................83
VLAN ......................................................................................................................................... 85
Static MAC Forward Setup ...................................................................................................... 101
Filtering .................................................................................................................................... 103
Spanning Tree Protocol ........................................................................................................... 105
Bandwidth Control ................................................................................................................... 121
Broadcast Storm Control ......................................................................................................... 123
Mirroring .................................................................................................................................. 125
Link Aggregation ...................................................................................................................... 127
Port Authentication .................................................................................................................. 135
Port Security ............................................................................................................................ 141
Classifier .................................................................................................................................. 145
Policy Rule .............................................................................................................................. 151
Queuing Method ...................................................................................................................... 157
VLAN Stacking ......................................................................................................................... 161
Multicast .................................................................................................................................. 167
Authentication & Accounting ....................................................................................................181
IP Source Guard ...................................................................................................................... 195
Loop Guard .............................................................................................................................. 215
IP Application ....................................................................................................................... 219
Static Routing .......................................................................................................................... 221
RIP .......................................................................................................................................... 223
Differentiated Services ............................................................................................................. 225
DHCP ...................................................................................................................................... 233
VRRP ....................................................................................................................................... 243
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Contents Overview
Management ......................................................................................................................... 253
Maintenance ............................................................................................................................ 255
Access Control ........................................................................................................................ 261
Diagnostic ................................................................................................................................ 279
Syslog ...................................................................................................................................... 281
Cluster Management ............................................................................................................... 285
MAC Table ............................................................................................................................... 291
IP Table .................................................................................................................................... 293
ARP Table ................................................................................................................................ 295
Routing Table ........................................................................................................................... 297
Configure Clone ....................................................................................................................... 299
Product Specifications ........................................................................................................301
Product Specifications ............................................................................................................. 303
Appendices and Index ......................................................................................................... 309
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Table of Contents
Table of Contents
About This User's Guide ..........................................................................................................3
Document Conventions............................................................................................................4
Safety Warnings........................................................................................................................6
Contents Overview ...................................................................................................................9
Table of Contents.................................................................................................................... 11
List of Figures ........................................................................................................................21
List of Tables...........................................................................................................................27
Part I: Introduction................................................................................. 31
Chapter 1
Getting to Know Your Switch................................................................................................. 33
1.1 Introduction .......................................................................................................................... 33
1.1.1 Bridging Example ....................................................................................................... 33
1.1.2 High Performance Switching Example ....................................................................... 34
1.1.3 Gigabit Ethernet to the Desktop ................................................................................. 35
1.1.4 IEEE 802.1Q VLAN Application Example .................................................................. 35
1.2 Ways to Manage the Switch ................................................................................................ 36
1.3 Good Habits for Managing the Switch ................................................................................. 36
Chapter 2
Hardware Installation and Connection .................................................................................37
2.1 Freestanding Installation ..................................................................................................... 37
2.2 Mounting the Switch on a Rack .......................................................................................... 38
2.2.1 Rack-mounted Installation Requirements .................................................................. 38
2.2.2 Attaching the Mounting Brackets to the Switch .......................................................... 38
2.2.3 Mounting the Switch on a Rack .................................................................................. 39
Chapter 3
Hardware Overview................................................................................................................. 41
3.1 Front Panel Connections .................................................................................................... 41
3.1.1 1000Base-T Ports ...................................................................................................... 42
3.1.2 Dual Personality Interfaces ........................................................................................ 42
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Table of Contents
3.1.3 Mini-GBIC Slots .........................................................................................................42
3.2 Rear Panel ........................................................................................................................... 44
3.2.1 Power Connector ....................................................................................................... 44
3.2.2 External Backup Power Supply Connector ................................................................ 45
3.2.3 Console Port ............................................................................................................. 45
3.3 LEDs ................................................................................................................................ 45
Part II: Basic Configuration................................................................... 47
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 Saving Your Configuration ................................................................................................... 55
4.5 Switch Lockout .................................................................................................................. 55
4.6 Resetting the Switch ......................................................................................................... 56
4.6.1 Reload the Configuration File .................................................................................... 56
4.7 Logging Out of the Web Configurator ................................................................................. 57
4.8 Help .................................................................................................................................... 57
Chapter 5
Initial Setup Example..............................................................................................................59
5.1 Overview .............................................................................................................................. 59
5.1.1 Configuring an IP Interface ........................................................................................ 59
5.1.2 Configuring DHCP Server Settings ............................................................................ 60
5.1.3 Creating a VLAN ........................................................................................................ 61
5.1.4 Setting Port VID .........................................................................................................62
5.1.5 Enabling RIP .............................................................................................................. 63
Chapter 6
System Status and Port Statistics......................................................................................... 65
6.1 Overview .............................................................................................................................. 65
6.2 Port Status Summary ...................................................................................................... 65
6.2.1 Status: Port Details ................................................................................................66
Chapter 7
Basic Setting .......................................................................................................................... 71
7.1 Overview .............................................................................................................................. 71
7.2 System Information ........................................................................................................... 71
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7.3 General Setup ................................................................................................................. 73
7.4 Introduction to VLANs ......................................................................................................... 75
7.5 Switch Setup Screen ........................................................................................................ 76
7.6 IP Setup ............................................................................................................................ 78
7.6.1 IP Interfaces .............................................................................................................. 78
7.7 Port Setup ........................................................................................................................... 80
Part III: Advanced Setup........................................................................ 83
Chapter 8
VLAN ........................................................................................................................................ 85
8.1 Introduction to IEEE 802.1Q Tagged VLANs .................................................................. 85
8.1.1 Forwarding Tagged and Untagged Frames ................................................................ 85
8.2 Automatic VLAN Registration ............................................................................................. 86
8.2.1 GARP ......................................................................................................................... 86
8.2.2 GVRP ......................................................................................................................... 86
8.3 Port VLAN Trunking ............................................................................................................ 87
8.4 Select the VLAN Type ........................................................................................................ 87
8.5 Static VLAN ......................................................................................................................... 87
8.5.1 Static VLAN Status .................................................................................................... 88
8.5.2 Static VLAN Details ................................................................................................... 88
8.5.3 Configure a Static VLAN ........................................................................................ 89
8.5.4 Configure VLAN Port Settings ................................................................................ 90
8.6 Subnet Based VLANs ......................................................................................................... 92
8.7 Configuring Subnet Based VLAN ...................................................................................... 93
8.8 Protocol Based VLANs ....................................................................................................... 94
8.9 Configuring Protocol Based VLAN .................................................................................... 95
8.10 Create an IP-based VLAN Example .................................................................................. 96
8.11 Port-based VLAN Setup ................................................................................................97
8.11.1 Configure a Port-based VLAN ................................................................................. 98
Chapter 9
Static MAC Forward Setup...................................................................................................101
9.1 Overview ............................................................................................................................ 101
9.2 Configuring Static MAC Forwarding ............................................................................. 101
Chapter 10
Filtering..................................................................................................................................103
10.1 Configure a Filtering Rule .............................................................................................103
Chapter 11
Spanning Tree Protocol........................................................................................................ 105
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Table of Contents
11.1 STP/RSTP Overview ..................................................................................................... 105
11.1.1 STP Terminology ................................................................................................... 105
11.1.2 How STP Works .................................................................................................... 106
11.1.3 STP Port States ..................................................................................................... 106
11.1.4 Multiple STP ........................................................................................................... 107
11.2 Spanning Tree Protocol Status Screen ............................................................................ 109
11.3 Spanning Tree Configuration ...........................................................................................110
11.4 Configure Rapid Spanning Tree Protocol ......................................................................110
11.5 Rapid Spanning Tree Protocol Status .........................................................................113
11.6 Configure Multiple Spanning Tree Protocol ...................................................................114
11.7 Multiple Spanning Tree Protocol Status ......................................................................117
Chapter 12
Bandwidth Control................................................................................................................121
12.1 Bandwidth Control Overview ......................................................................................... 121
12.1.1 CIR and PIR ........................................................................................................... 121
12.2 Bandwidth Control Setup ................................................................................................. 121
Chapter 13
Broadcast Storm Control .....................................................................................................123
13.1 Broadcast Storm Control Setup ...................................................................................... 123
Chapter 14
Mirroring ................................................................................................................................ 125
14.1 Port Mirroring Setup ....................................................................................................... 125
Chapter 15
Link Aggregation ..................................................................................................................127
15.1 Link Aggregation Overview ............................................................................................. 127
15.2 Dynamic Link Aggregation .............................................................................................. 127
15.2.1 Link Aggregation ID ............................................................................................... 128
15.3 Link Aggregation Status ..................................................................................................128
15.4 Link Aggregation Setting ................................................................................................ 129
15.5 Link Aggregation Control Protocol ................................................................................ 130
15.6 Static Trunking Example .................................................................................................. 132
Chapter 16
Port Authentication............................................................................................................... 135
14
16.1 Port Authentication Overview ......................................................................................... 135
16.1.1 IEEE 802.1x Authentication ................................................................................... 135
16.1.2 MAC Authentication ............................................................................................... 136
16.2 Port Authentication Configuration .................................................................................... 137
16.2.1 Activate IEEE 802.1x Security ........................................................................... 137
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16.2.2 Activate MAC Authentication ................................................................................. 138
Chapter 17
Port Security..........................................................................................................................141
17.1 About Port Security ......................................................................................................... 141
17.2 Port Security Setup .......................................................................................................... 141
Chapter 18
Classifier................................................................................................................................145
18.1 About the Classifier and QoS .......................................................................................... 145
18.2 Configuring the Classifier ...............................................................................................145
18.3 Viewing and Editing Classifier Configuration ................................................................... 148
18.4 Classifier Example ........................................................................................................... 149
Chapter 19
Policy Rule............................................................................................................................ 151
19.1 Policy Rules Overview ....................................................................................................151
19.1.1 DiffServ .................................................................................................................. 151
19.1.2 DSCP and Per-Hop Behavior ................................................................................. 151
19.2 Configuring Policy Rules ................................................................................................. 152
19.3 Viewing and Editing Policy Configuration ........................................................................ 154
19.4 Policy Example ................................................................................................................ 154
Chapter 20
Queuing Method....................................................................................................................157
20.1 Queuing Method Overview ............................................................................................. 157
20.1.1 Strictly Priority ........................................................................................................ 157
20.1.2 Weighted Fair Queuing .......................................................................................... 157
20.1.3 Weighted Round Robin Scheduling (WRR) ........................................................... 158
20.2 Configuring Queuing ........................................................................................................ 158
Chapter 21
VLAN Stacking ...................................................................................................................... 161
21.1 VLAN Stacking Overview ................................................................................................ 161
21.1.1 VLAN Stacking Example ........................................................................................ 161
21.2 VLAN Stacking Port Roles ............................................................................................... 162
21.3 VLAN Tag Format ............................................................................................................ 163
21.3.1 Frame Format ........................................................................................................ 163
21.4 Configuring VLAN Stacking ............................................................................................. 164
Chapter 22
Multicast ................................................................................................................................ 167
22.1 Multicast Overview ......................................................................................................... 167
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Table of Contents
22.1.1 IP Multicast Addresses ........................................................................................... 167
22.1.2 IGMP Filtering ........................................................................................................ 167
22.1.3 IGMP Snooping ..................................................................................................... 167
22.1.4 IGMP Snooping and VLANs ................................................................................... 168
22.2 Multicast Status .............................................................................................................. 168
22.3 Multicast Setting ............................................................................................................. 168
22.4 IGMP Snooping VLAN .................................................................................................... 171
22.5 IGMP Filtering Profile ..................................................................................................... 172
22.6 MVR Overview ................................................................................................................ 173
22.6.1 Types of MVR Ports ............................................................................................... 174
22.6.2 MVR Modes ........................................................................................................... 174
22.6.3 How MVR Works .................................................................................................... 174
22.7 General MVR Configuration ............................................................................................ 175
22.8 MVR Group Configuration .............................................................................................. 177
22.8.1 MVR Configuration Example .................................................................................. 178
Chapter 23
Authentication & Accounting ..............................................................................................181
23.1 Authentication, Authorization and Accounting ................................................................ 181
23.1.1 Local User Accounts .............................................................................................. 181
23.1.2 RADIUS and TACACS+ ........................................................................................ 182
23.2 Authentication and Accounting Screens .......................................................................... 182
23.2.1 RADIUS Server Setup ........................................................................................ 182
23.2.2 TACACS+ Server Setup ..................................................................................... 184
23.2.3 Authentication and Accounting Setup ................................................................ 186
23.2.4 Vendor Specific Attribute ........................................................................................ 189
23.2.5 Tunnel Protocol Attribute ........................................................................................ 190
23.3 Supported RADIUS Attributes ......................................................................................... 190
23.3.1 Attributes Used for Authentication .......................................................................... 191
23.3.2 Attributes Used for Accounting ............................................................................... 191
Chapter 24
IP Source Guard....................................................................................................................195
24.1 IP Source Guard Overview .............................................................................................. 195
24.1.1 DHCP Snooping Overview ..................................................................................... 195
24.1.2 ARP Inspection Overview ...................................................................................... 197
24.2 IP Source Guard .............................................................................................................. 199
24.3 IP Source Guard Static Binding ....................................................................................... 199
24.4 DHCP Snooping .............................................................................................................. 201
24.5 DHCP Snooping Configure .............................................................................................. 204
24.5.1 DHCP Snooping Port Configure ............................................................................. 205
24.5.2 DHCP Snooping VLAN Configure .......................................................................... 207
24.6 ARP Inspection Status .....................................................................................................208
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24.6.1 ARP Inspection VLAN Status ................................................................................. 208
24.6.2 ARP Inspection Log Status .................................................................................... 209
24.7 ARP Inspection Configure ................................................................................................211
24.7.1 ARP Inspection Port Configure .............................................................................. 212
24.7.2 ARP Inspection VLAN Configure ........................................................................... 213
Chapter 25
Loop Guard............................................................................................................................ 215
25.1 Loop Guard Overview ..................................................................................................... 215
25.2 Loop Guard Setup ........................................................................................................... 217
Part IV: IP Application.......................................................................... 219
Chapter 26
Static Routing........................................................................................................................ 221
26.1 Configuring Static Routing ............................................................................................. 221
Chapter 27
RIP .........................................................................................................................................223
27.1 RIP Overview ................................................................................................................... 223
27.2 Configuring RIP ............................................................................................................... 223
Chapter 28
Differentiated Services.........................................................................................................225
28.1 DiffServ Overview ........................................................................................................... 225
28.1.1 DSCP and Per-Hop Behavior ................................................................................ 225
28.1.2 DiffServ Network Example .................................................................................... 226
28.2 Two Rate Three Color Marker Traffic Policing ................................................................. 226
28.2.1 TRTCM - Color-blind Mode .................................................................................... 227
28.2.2 TRTCM - Color-aware Mode .................................................................................. 227
28.3 Activating DiffServ .......................................................................................................... 228
28.3.1 Configuring 2-Rate 3 Color Marker Settings ......................................................... 228
28.4 DSCP-to-IEEE 802.1p Priority Settings ...................................................................... 230
28.4.1 Configuring DSCP Settings .................................................................................... 230
Chapter 29
DHCP......................................................................................................................................233
29.1 DHCP Overview ............................................................................................................. 233
29.1.1 DHCP Modes ........................................................................................................ 233
29.1.2 DHCP Configuration Options ................................................................................. 233
29.2 DHCP Status ................................................................................................................... 234
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Table of Contents
29.3 DHCP Server Status Detail ............................................................................................. 234
29.4 DHCP Relay ................................................................................................................... 235
29.4.1 DHCP Relay Agent Information ............................................................................. 236
29.4.2 Configuring DHCP Global Relay ............................................................................ 236
29.4.3 Global DHCP Relay Configuration Example .......................................................... 237
29.5 Configuring DHCP VLAN Settings ................................................................................ 238
29.5.1 Example: DHCP Relay for Two VLANs .................................................................. 240
Chapter 30
VRRP ......................................................................................................................................243
30.1 VRRP Overview .............................................................................................................. 243
30.2 VRRP Status .................................................................................................................. 244
30.3 VRRP Configuration .......................................................................................................244
30.3.1 IP Interface Setup ................................................................................................. 244
30.3.2 VRRP Parameters ................................................................................................. 246
30.3.3 Configuring VRRP Parameters .............................................................................. 246
30.3.4 Configuring VRRP Parameters .............................................................................. 247
30.4 VRRP Configuration Examples ...................................................................................... 248
30.4.1 One Subnet Network Example .............................................................................. 248
30.4.2 Two Subnets Example .......................................................................................... 249
Part V: Management............................................................................. 253
Chapter 31
Maintenance .......................................................................................................................... 255
31.1 The Maintenance Screen ............................................................................................... 255
31.2 Load Factory Default ...................................................................................................... 256
31.3 Save Configuration .......................................................................................................... 256
31.4 Reboot System ................................................................................................................ 257
31.5 Firmware Upgrade ........................................................................................................ 257
31.6 Restore a Configuration File ......................................................................................... 258
31.7 Backup a Configuration File ......................................................................................... 258
31.8 FTP Command Line ........................................................................................................ 258
31.8.1 Filename Conventions .......................................................................................... 259
31.8.2 FTP Command Line Procedure ............................................................................ 259
31.8.3 GUI-based FTP Clients .......................................................................................... 260
31.8.4 FTP Restrictions .................................................................................................... 260
Chapter 32
Access Control...................................................................................................................... 261
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32.1 Access Control Overview ............................................................................................ 261
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32.2 The Access Control Main Screen .................................................................................... 261
32.3 About SNMP .................................................................................................................. 262
32.3.1 SNMP v3 and Security ........................................................................................... 263
32.3.2 Supported MIBs ................................................................................................... 263
32.3.3 SNMP Traps .......................................................................................................... 263
32.3.4 Configuring SNMP .............................................................................................. 266
32.3.5 Configuring SNMP Trap Group ........................................................................... 268
32.3.6 Setting Up Login Accounts ................................................................................. 269
32.4 SSH Overview ................................................................................................................. 271
32.5 How SSH works ............................................................................................................... 271
32.6 SSH Implementation on the Switch ................................................................................. 272
32.6.1 Requirements for Using SSH ................................................................................. 272
32.7 Introduction to HTTPS .....................................................................................................272
32.8 HTTPS Example .............................................................................................................. 273
32.8.1 Internet Explorer Warning Messages ..................................................................... 273
32.8.2 Netscape Navigator Warning Messages ................................................................ 274
32.8.3 The Main Screen .................................................................................................... 274
32.9 Service Port Access Control ......................................................................................... 275
32.10 Remote Management ............................................................................................... 276
Chapter 33
Diagnostic.............................................................................................................................. 279
33.1 Diagnostic ....................................................................................................................... 279
Chapter 34
Syslog ....................................................................................................................................281
34.1 Syslog Overview .............................................................................................................. 281
34.2 Syslog Setup .................................................................................................................. 281
34.3 Syslog Server Setup ....................................................................................................... 282
Chapter 35
Cluster Management.............................................................................................................285
35.1 Clustering Management Status Overview ...................................................................... 285
35.2 Cluster Management Status ........................................................................................... 286
35.2.1 Cluster Member Switch Management ................................................................... 287
35.3 Clustering Management Configuration .......................................................................... 288
Chapter 36
MAC Table..............................................................................................................................291
36.1 MAC Table Overview ...................................................................................................... 291
36.2 Viewing the MAC Table ................................................................................................... 292
Chapter 37
IP Table ..................................................................................................................................293
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Table of Contents
37.1 IP Table Overview ........................................................................................................... 293
37.2 Viewing the IP Table ........................................................................................................ 294
Chapter 38
ARP Table .............................................................................................................................. 295
38.1 ARP Table Overview .......................................................................................................295
38.1.1 How ARP Works .................................................................................................... 295
38.2 Viewing the ARP Table ................................................................................................... 295
Chapter 39
Routing Table ........................................................................................................................ 297
39.1 Overview .......................................................................................................................... 297
39.2 Viewing the Routing Table Status ................................................................................... 297
Chapter 40
Configure Clone....................................................................................................................299
40.1 Configure Clone .............................................................................................................. 299
Part VI: Product Specifications .......................................................... 301
Chapter 41
Product Specifications.........................................................................................................303
Part VII: Appendices and Index .......................................................... 309
Appendix A IP Addresses and Subnetting ........................................................................... 311
Appendix B Legal Information ..............................................................................................319
Appendix C Customer Support............................................................................................. 323
Index....................................................................................................................................... 329
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GS-2750 User’s Guide
List of Figures
List of Figures
Figure 1 Bridging Application ................................................................................................................. 34
Figure 2 High Performance Switching ................................................................................................... 34
Figure 3 Gigabit to the Desktop ............................................................................................................. 35
Figure 4 Shared Server Using VLAN Example ...................................................................................... 36
Figure 5 Attaching Rubber Feet ............................................................................................................ 37
Figure 6 Attaching the Mounting Brackets ............................................................................................. 38
Figure 7 Mounting the Switch on a Rack .............................................................................................. 39
Figure 8 Front Panel .............................................................................................................................. 41
Figure 9 Transceiver Installation Example ............................................................................................. 43
Figure 10 Installed Transceiver ............................................................................................................. 43
Figure 11 Opening the Transceiver’s Latch Example ............................................................................ 43
Figure 12 Transceiver Removal Example .............................................................................................. 44
Figure 13 Rear Panel - AC Model ......................................................................................................... 44
Figure 14 Web Configurator: Login ....................................................................................................... 50
Figure 15 Web Configurator Home Screen (Status) .............................................................................. 50
Figure 16 Change Administrator Login Password .................................................................................55
Figure 17 Resetting the Switch: Via the Console Port ........................................................................... 57
Figure 18 Web Configurator: Logout Screen ......................................................................................... 57
Figure 19 Initial Setup Network Example: IP Interface .......................................................................... 59
Figure 20 Initial Setup Network Example: VLAN ................................................................................... 61
Figure 21 Initial Setup Network Example: Port VID ............................................................................... 62
Figure 22 Status .................................................................................................................................... 65
Figure 23 Status: Port Details ................................................................................................................. 67
Figure 24 Basic Setting > System Info .................................................................................................. 72
Figure 25 Basic Setting > General Setup .............................................................................................. 74
Figure 26 Basic Setting > Switch Setup ................................................................................................ 76
Figure 27 Basic Setting > IP Setup ......................................................................................................... 78
Figure 28 Basic Setting > Port Setup .................................................................................................... 80
Figure 29 Port VLAN Trunking ............................................................................................................... 87
Figure 30 Switch Setup: Select VLAN Type .......................................................................................... 87
Figure 31 Advanced Application > VLAN: VLAN Status ......................................................................... 88
Figure 32 Advanced Application > VLAN > VLAN Detail ........................................................................ 88
Figure 33 Advanced Application > VLAN > Static VLAN ...................................................................... 89
Figure 34 Advanced Application > VLAN > VLAN Port Setting ............................................................. 91
Figure 35 Subnet Based VLAN Application Example ............................................................................ 92
Figure 36 Advanced Application > VLAN > VLAN Port Setting > Subnet Based VLAN ........................ 93
Figure 37 Protocol Based VLAN Application Example .......................................................................... 95
Figure 38 Advanced Application > VLAN > VLAN Port Setting > Protocol Based VLAN ...................... 95
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21
List of Figures
Figure 39 Protocol Based VLAN Configuration Example ...................................................................... 97
Figure 40 Advanced Application > VLAN > Port Based VLAN Setup (All Connected) .......................... 98
Figure 41 Advanced Application > VLAN: Port Based VLAN Setup (Port Isolation) ............................. 99
Figure 42 Advanced Application > Static MAC Forwarding ................................................................. 101
Figure 43 Advanced Application > Filtering ......................................................................................... 103
Figure 44 STP/RSTP Network Example .............................................................................................. 107
Figure 45 MSTP Network Example ...................................................................................................... 108
Figure 46 MSTIs in Different Regions ................................................................................................. 109
Figure 47 MSTP and Legacy RSTP Network Example ....................................................................... 109
Figure 48 Advanced Application > Spanning Tree Protocol .................................................................110
Figure 49 Advanced Application > Spanning Tree Protocol > Configuration ........................................110
Figure 50 Advanced Application > Spanning Tree Protocol > RSTP ....................................................111
Figure 51 Advanced Application > Spanning Tree Protocol > Status: RSTP ........................................113
Figure 52 Advanced Application > Spanning Tree Protocol > MSTP ...................................................115
Figure 53 Advanced Application > Spanning Tree Protocol > Status: MSTP .......................................118
Figure 54 Advanced Application > Bandwidth Control ........................................................................ 122
Figure 55 Advanced Application > Broadcast Storm Control .............................................................. 123
Figure 56 Advanced Application > Mirroring ........................................................................................ 125
Figure 57 Advanced Application > Link Aggregation Status ................................................................ 128
Figure 58 Advanced Application > Link Aggregation > Link Aggregation Setting ............................... 129
Figure 59 Advanced Application > Link Aggregation > Link Aggregation Setting > LACP .................. 131
Figure 60 Trunking Example - Physical Connections ........................................................................... 132
Figure 61 Trunking Example - Configuration Screen ............................................................................ 133
Figure 62 IEEE 802.1x Authentication Process ................................................................................... 136
Figure 63 MAC Authentication Process ............................................................................................... 136
Figure 64 Advanced Application > Port Authentication ....................................................................... 137
Figure 65 Advanced Application > Port Authentication > 802.1x ........................................................ 137
Figure 66 Advanced Application > Port Authentication > MAC Authentication ................................... 139
Figure 67 Advanced Application > Port Security ................................................................................. 142
Figure 68 Advanced Application > Classifier ....................................................................................... 146
Figure 69 Advanced Application > Classifier: Summary Table ............................................................ 148
Figure 70 Classifier: Example .............................................................................................................. 150
Figure 71 Advanced Application > Policy Rule .................................................................................... 152
Figure 72 Advanced Application > Policy Rule: Summary Table ......................................................... 154
Figure 73 Policy Example .................................................................................................................... 155
Figure 74 Advanced Application > Queuing Method ........................................................................... 158
Figure 75 VLAN Stacking Example ..................................................................................................... 162
Figure 76 Advanced Application > VLAN Stacking .............................................................................. 164
Figure 77 Advanced Application > Multicast ........................................................................................ 168
Figure 78 Advanced Application > Multicast > Multicast Setting ......................................................... 169
Figure 79 Advanced Application > Multicast > Multicast Setting > IGMP Snooping VLAN ................. 171
Figure 80 Advanced Application > Multicast > Multicast Setting > IGMP Filtering Profile ................... 172
Figure 81 MVR Network Example ....................................................................................................... 174
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List of Figures
Figure 82 MVR Multicast Television Example ..................................................................................... 175
Figure 83 Advanced Application > Multicast > Multicast Setting > MVR ............................................. 176
Figure 84 Advanced Application > Multicast > Multicast Setting > MVR: Group Configuration ............ 178
Figure 85 MVR Configuration Example ............................................................................................... 179
Figure 86 MVR Configuration Example ............................................................................................... 179
Figure 87 MVR Group Configuration Example ................................................................................... 180
Figure 88 MVR Group Configuration Example .................................................................................... 180
Figure 89 AAA Server .......................................................................................................................... 181
Figure 90 Advanced Application > Auth and Acct ............................................................................... 182
Figure 91 Advanced Application > Auth and Acct > RADIUS Server Setup ........................................ 183
Figure 92 Advanced Application > Auth and Acct > TACACS+ Server Setup ..................................... 185
Figure 93 Advanced Application > Auth and Acct > Auth and Acct Setup .......................................... 187
Figure 94 DHCP Snooping Database File Format ............................................................................... 196
Figure 95 Example: Man-in-the-middle Attack ..................................................................................... 197
Figure 96 IP Source Guard ................................................................................................................... 199
Figure 97 IP Source Guard Static Binding ............................................................................................ 200
Figure 98 DHCP Snooping ................................................................................................................... 201
Figure 99 DHCP Snooping Configure .................................................................................................. 204
Figure 100 DHCP Snooping Port Configure ......................................................................................... 206
Figure 101 DHCP Snooping VLAN Configure ...................................................................................... 207
Figure 102 ARP Inspection Status ........................................................................................................ 208
Figure 103 ARP Inspection VLAN Status ............................................................................................. 209
Figure 104 ARP Inspection Log Status ................................................................................................. 210
Figure 105 ARP Inspection Configure ...................................................................................................211
Figure 106 ARP Inspection Port Configure .......................................................................................... 212
Figure 107 ARP Inspection VLAN Configure ........................................................................................ 213
Figure 108 Loop Guard vs STP ............................................................................................................ 215
Figure 109 Switch in Loop State ........................................................................................................... 216
Figure 110 Loop Guard - Probe Packet ................................................................................................ 216
Figure 111 Loop Guard - Network Loop ................................................................................................ 216
Figure 112 Advanced Application > Loop Guard .................................................................................. 217
Figure 113 IP Application > Static Routing .......................................................................................... 221
Figure 114 IP Application > RIP ........................................................................................................... 224
Figure 115 DiffServ: Differentiated Service Field .................................................................................. 225
Figure 116 DiffServ Network ................................................................................................................ 226
Figure 117 TRTCM - Color-blind Mode ................................................................................................ 227
Figure 118 TRTCM - Color-aware Mode ............................................................................................. 227
Figure 119 IP Application > DiffServ .................................................................................................... 228
Figure 120 IP Application > DiffServ > 2-rate 3 Color Marker ............................................................. 229
Figure 121 IP Application > DiffServ > DSCP Setting ......................................................................... 230
Figure 122 IP Application > DHCP Status ........................................................................................... 234
Figure 123 IP Application > DHCP > DHCP Server Status Detail ....................................................... 235
Figure 124 IP Application > DHCP > Global ........................................................................................ 236
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List of Figures
Figure 125 Global DHCP Relay Network Example ............................................................................. 237
Figure 126 DHCP Relay Configuration Example ................................................................................. 238
Figure 127 IP Application > DHCP > VLAN ....................................................................................... 239
Figure 128 DHCP Relay for Two VLANs ............................................................................................. 241
Figure 129 DHCP Relay for Two VLANs Configuration Example ........................................................ 241
Figure 130 VRRP: Example 1 ............................................................................................................. 243
Figure 131 IP Application > VRRP Status ........................................................................................... 244
Figure 132 IP Application > VRRP Configuration > IP Interface ......................................................... 245
Figure 133 IP Application > VRRP Configuration > VRRP Parameters .............................................. 247
Figure 134 VRRP Configuration: Summary ......................................................................................... 248
Figure 135 VRRP Configuration Example: One Virtual Router Network ............................................. 248
Figure 136 VRRP Example 1: VRRP Parameter Settings on Switch A ............................................... 249
Figure 137 VRRP Example 1: VRRP Parameter Settings on Switch B ............................................... 249
Figure 138 VRRP Example 1: VRRP Status on Switch A ................................................................... 249
Figure 139 VRRP Example 1: VRRP Status on Switch B ................................................................... 249
Figure 140 VRRP Configuration Example: Two Virtual Router Network ............................................. 250
Figure 141 VRRP Example 2: VRRP Parameter Settings for VR2 on Switch A ................................. 250
Figure 142 VRRP Example 2: VRRP Parameter Settings for VR2 on Switch B ................................. 250
Figure 143 VRRP Example 2: VRRP Status on Switch A ................................................................... 251
Figure 144 VRRP Example 2: VRRP Status on Switch B ................................................................... 251
Figure 145 Management > Maintenance ............................................................................................ 255
Figure 146 Load Factory Default: Start ................................................................................................ 256
Figure 147 Reboot System: Confirmation ........................................................................................... 257
Figure 148 Management > Maintenance > Firmware Upgrade .......................................................... 257
Figure 149 Management > Maintenance > Restore Configuration ...................................................... 258
Figure 150 Management > Maintenance > Backup Configuration ...................................................... 258
Figure 151 Management > Access Control ......................................................................................... 261
Figure 152 SNMP Management Model .............................................................................................. 262
Figure 153 Management > Access Control > SNMP ........................................................................... 267
Figure 154 Management > Access Control > SNMP > Trap Group .................................................... 269
Figure 155 Management > Access Control > Logins .......................................................................... 270
Figure 156 SSH Communication Example ...........................................................................................271
Figure 157 How SSH Works ................................................................................................................. 271
Figure 158 HTTPS Implementation ...................................................................................................... 273
Figure 159 Security Alert Dialog Box (Internet Explorer) ...................................................................... 273
Figure 160 Security Certificate 1 (Netscape) ........................................................................................ 274
Figure 161 Security Certificate 2 (Netscape) ........................................................................................ 274
Figure 162 Example: Lock Denoting a Secure Connection .................................................................. 275
Figure 163 Management > Access Control > Service Access Control ................................................. 275
Figure 164 Management > Access Control > Remote Management .................................................. 276
Figure 165 Management > Diagnostic ................................................................................................. 279
Figure 166 Management > Syslog ....................................................................................................... 282
Figure 167 Management > Syslog > Server Setup ............................................................................. 283
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List of Figures
Figure 168 Clustering Application Example ......................................................................................... 286
Figure 169 Management > Cluster Management ................................................................................ 286
Figure 170 Cluster Management: Cluster Member Web Configurator Screen .................................... 287
Figure 171 Example: Uploading Firmware to a Cluster Member Switch ............................................. 288
Figure 172 Management > Clustering Management > Configuration .................................................. 289
Figure 173 MAC Table Flowchart ........................................................................................................ 292
Figure 174 Management > MAC Table ................................................................................................ 292
Figure 175 IP Table Flowchart ............................................................................................................. 293
Figure 176 Management > IP Table .................................................................................................... 294
Figure 177 Management > ARP Table ................................................................................................ 296
Figure 178 Management > Routing Table .......................................................................................... 297
Figure 179 Management > Configure Clone .......................................................................................299
Figure 180 Network Number and Host ID ............................................................................................ 312
Figure 181 Subnetting Example: Before Subnetting ............................................................................ 314
Figure 182 Subnetting Example: After Subnetting ............................................................................... 315
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List of Figures
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List of Tables
List of Tables
Table 1 Panel Connections .................................................................................................................... 41
Table 2 Panel Connections .................................................................................................................... 44
Table 3 LEDs ......................................................................................................................................... 45
Table 4 Navigation Panel Sub-links Overview ....................................................................................... 51
Table 5 Web Configurator Screen Sub-links Details .............................................................................. 52
Table 6 Navigation Panel Links ............................................................................................................. 53
Table 7 Status ........................................................................................................................................ 66
Table 8 Status > Port Details ................................................................................................................. 67
Table 9 Basic Setting > System Info ...................................................................................................... 72
Table 10 Basic Setting > General Setup ................................................................................................ 74
Table 11 Basic Setting > Switch Setup .................................................................................................. 76
Table 12 Basic Setting > IP Setup ......................................................................................................... 79
Table 13 Basic Setting > Port Setup ...................................................................................................... 80
Table 14 IEEE 802.1Q VLAN Terminology ............................................................................................ 86
Table 15 Advanced Application > VLAN: VLAN Status .......................................................................... 88
Table 16 Advanced Application > VLAN > VLAN Detail ........................................................................ 89
Table 17 Advanced Application > VLAN > Static VLAN ......................................................................... 90
Table 18 Advanced Application > VLAN > VLAN Port Setting ............................................................... 91
Table 19 Advanced Application > VLAN > VLAN Port Setting > Subnet Based VLAN .......................... 93
Table 20 Advanced Application > VLAN > VLAN Port Setting > Protocol Based VLAN Setup ............. 96
Table 21 Advanced Application > VLAN: Port Based VLAN Setup ..................................................... 100
Table 22 Advanced Application > Static MAC Forwarding ................................................................... 102
Table 23 Advanced Application > FIltering .......................................................................................... 103
Table 24 STP Path Costs .................................................................................................................... 106
Table 25 STP Port States .................................................................................................................... 106
Table 26 Advanced Application > Spanning Tree Protocol > Configuration .........................................110
Table 27 Advanced Application > Spanning Tree Protocol > RSTP .....................................................111
Table 28 Advanced Application > Spanning Tree Protocol > Status: RSTP .........................................113
Table 29 Advanced Application > Spanning Tree Protocol > MSTP .....................................................116
Table 30 Advanced Application > Spanning Tree Protocol > Status: MSTP .........................................118
Table 31 Advanced Application > Bandwidth Control .......................................................................... 122
Table 32 Advanced Application > Broadcast Storm Control ................................................................ 124
Table 33 Advanced Application > Mirroring ......................................................................................... 126
Table 34 Link Aggregation ID: Local Switch ........................................................................................ 128
Table 35 Link Aggregation ID: Peer Switch ......................................................................................... 128
Table 36 Advanced Application > Link Aggregation Status ................................................................. 128
Table 37 Advanced Application > Link Aggregation > Link Aggregation Setting ................................. 130
Table 38 Advanced Application > Link Aggregation > Link Aggregation Setting > LACP .................... 131
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List of Tables
Table 39 Advanced Application > Port Authentication > 802.1x .......................................................... 138
Table 40 Advanced Application > Port Authentication > MAC Authentication ..................................... 139
Table 41 Advanced Application > Port Security ................................................................................... 142
Table 42 Advanced Application > Classifier ......................................................................................... 146
Table 43 Classifier: Summary Table .................................................................................................... 148
Table 44 Common Ethernet Types and Protocol Number ................................................................... 148
Table 45 Common IP Protocol Types and Protocol Numbers ............................................................. 149
Table 46 Common TCP and UDP Port Numbers ................................................................................ 149
Table 47 Advanced Application > Policy Rule ..................................................................................... 153
Table 48 Policy: Summary Table ......................................................................................................... 154
Table 49 Advanced Application > Queuing Method ............................................................................. 159
Table 50 VLAN Tag Format ................................................................................................................. 163
Table 51 Single and Double Tagged 802.11Q Frame Format ............................................................. 163
Table 52 802.1Q Frame ....................................................................................................................... 163
Table 53 Advanced Application > VLAN Stacking ............................................................................... 164
Table 54 Multicast Status ..................................................................................................................... 168
Table 55 Advanced Application > Multicast > Multicast Setting ........................................................... 169
Table 56 Advanced Application > Multicast > Multicast Setting > IGMP Snooping VLAN ................... 171
Table 57 Advanced Application > Multicast > Multicast Setting > IGMP Filtering Profile .................... 173
Table 58 Advanced Application > Multicast > Multicast Setting > MVR ............................................... 176
Table 59 Advanced Application > Multicast > Multicast Setting > MVR: Group Configuration ............ 178
Table 60 RADIUS vs TACACS+ .......................................................................................................... 182
Table 61 Advanced Application > Auth and Acct > RADIUS Server Setup ......................................... 183
Table 62 Advanced Application > Auth and Acct > TACACS+ Server Setup ...................................... 185
Table 63 Advanced Application > Auth and Acct > Auth and Acct Setup ............................................ 187
Table 64 Supported VSAs ................................................................................................................... 189
Table 65 Supported Tunnel Protocol Attribute ..................................................................................... 190
Table 66 RADIUS Attributes - Exec Events via Console ..................................................................... 192
Table 67 RADIUS Attributes - Exec Events via Telnet/SSH ................................................................ 192
Table 68 RADIUS Attributes - Exec Events via Console ..................................................................... 192
Table 69 IP Source Guard ................................................................................................................... 199
Table 70 IP Source Guard Static Binding ............................................................................................ 200
Table 71 DHCP Snooping .................................................................................................................... 202
Table 72 DHCP Snooping Configure ................................................................................................... 204
Table 73 DHCP Snooping Port Configure ........................................................................................... 206
Table 74 DHCP Snooping VLAN Configure .........................................................................................207
Table 75 ARP Inspection Status .......................................................................................................... 208
Table 76 ARP Inspection VLAN Status ................................................................................................ 209
Table 77 ARP Inspection Log Status ................................................................................................... 210
Table 78 ARP Inspection Configure ......................................................................................................211
Table 79 ARP Inspection Port Configure ............................................................................................. 213
Table 80 ARP Inspection VLAN Configure .......................................................................................... 214
Table 81 Advanced Application > Loop Guard ....................................................................................217
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Table 82 IP Application > Static Routing .............................................................................................. 221
Table 83 IP Application > RIP .............................................................................................................. 224
Table 84 IP Application > DiffServ ....................................................................................................... 228
Table 85 IP Application > DiffServ > 2-rate 3 Color Marker ................................................................. 229
Table 86 Default DSCP-IEEE 802.1p Mapping ................................................................................... 230
Table 87 IP Application > DiffServ > DSCP Setting .............................................................................231
Table 88 IP Application > DHCP Status ............................................................................................... 234
Table 89 IP Application > DHCP Server Status Detail ......................................................................... 235
Table 90 Relay Agent Information ....................................................................................................... 236
Table 91 IP Application > DHCP > Global ........................................................................................... 237
Table 92 IP Application > DHCP > VLAN ............................................................................................ 239
Table 93 IP Application > VRRP Status ............................................................................................... 244
Table 94 IP Application > VRRP Configuration > IP Interface ............................................................. 245
Table 95 IP Application > VRRP Configuration > VRRP Parameters .................................................. 247
Table 96 VRRP Configuring: VRRP Parameters ................................................................................. 248
Table 97 Management > Maintenance ................................................................................................ 255
Table 98 Filename Conventions .......................................................................................................... 259
Table 99 General Commands for GUI-based FTP Clients .................................................................. 260
Table 100 Access Control Overview .................................................................................................... 261
Table 101 SNMP Commands .............................................................................................................. 262
Table 102 SNMP System Traps ........................................................................................................... 263
Table 103 SNMP InterfaceTraps .......................................................................................................... 264
Table 104 AAA Traps ........................................................................................................................... 265
Table 105 SNMP IP Traps ................................................................................................................... 265
Table 106 SNMP Switch Traps ............................................................................................................ 266
Table 107 Management > Access Control > SNMP ............................................................................ 267
Table 108 Management > Access Control > SNMP > Trap Group ...................................................... 269
Table 109 Management > Access Control > Logins ............................................................................ 270
Table 110 Management > Access Control > Service Access Control .................................................. 276
Table 111 Management > Access Control > Remote Management ..................................................... 276
Table 112 Management > Diagnostic .................................................................................................. 279
Table 113 Syslog Severity Levels ........................................................................................................ 281
Table 114 Management > Syslog ........................................................................................................ 282
Table 115 Management > Syslog > Server Setup ............................................................................... 283
Table 116 ZyXEL Clustering Management Specifications ................................................................... 285
Table 117 Management > Cluster Management .................................................................................. 287
Table 118 FTP Upload to Cluster Member Example ........................................................................... 288
Table 119 Management > Clustering Management > Configuration ................................................... 289
Table 120 Management > MAC Table ................................................................................................. 292
Table 121 Management > IP Table ...................................................................................................... 294
Table 122 Management > ARP Table .................................................................................................. 296
Table 123 Management > Routing Table ............................................................................................. 297
Table 124 Management > Configure Clone ......................................................................................... 300
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List of Tables
Table 125 Hardware Specifications ..................................................................................................... 303
Table 126 Firmware Specifications ...................................................................................................... 304
Table 127 Switching Specifications ...................................................................................................... 306
Table 128 Standards Supported .......................................................................................................... 307
Table 129 IP Address Network Number and Host ID Example ........................................................... 312
Table 130 Subnet Masks ..................................................................................................................... 313
Table 131 Maximum Host Numbers .................................................................................................... 313
Table 132 Alternative Subnet Mask Notation ....................................................................................... 313
Table 133 Subnet 1 .............................................................................................................................. 315
Table 134 Subnet 2 .............................................................................................................................. 316
Table 135 Subnet 3 .............................................................................................................................. 316
Table 136 Subnet 4 .............................................................................................................................. 316
Table 137 Eight Subnets ...................................................................................................................... 316
Table 138 24-bit Network Number Subnet Planning ............................................................................ 317
Table 139 16-bit Network Number Subnet Planning ............................................................................ 317
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