ZyXEL Communications GS-2750 User manual

www.zyxel.com
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

About This User's Guide
GS-2750 User’s Guide 3
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 for additional support documentation and product
certifications.
User Guide Feedback
Help us help you. Send all User Guide-related comments, questions or suggestions for
improvement to the following address, or use e-mail instead. Thank you!
The Technical Writing Team,
ZyXEL Communications Corp.,
6 Innovation Road II,
Science-Based Industrial Park,
Hsinchu, 300, Taiwan.
E-mail: [email protected]

Document Conventions
GS-2750 User’s Guide
4
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
1Warnings tell you about things that could harm you or your device.
"Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The 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.

Document Conventions
GS-2750 User’s Guide 5
Icons Used in Figures
Figures in this User’s Guide may use the following generic icons. The Switch icon is not an
exact representation of your device.
The Switch Computer Notebook computer
Server DSLAM Firewall
Telephone Switch Router

Safety Warnings
GS-2750 User’s Guide
6
Safety Warnings
1For your safety, be sure to read and follow all warning notices and instructions.
• Do NOT use this product near water, for example, in a wet basement or near a swimming
pool.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk
of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• Do NOT open the device or unit. Opening or removing covers can expose you to
dangerous high voltage points or other risks. ONLY qualified service personnel should
service or disassemble this device. Please contact your vendor for further information.
• 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.

Safety Warnings
GS-2750 User’s Guide 7
This product is recyclable. Dispose of it properly.

Safety Warnings
GS-2750 User’s Guide
8

Contents Overview
GS-2750 User’s Guide 9
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

Contents Overview
GS-2750 User’s Guide
10
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

Table of Contents
GS-2750 User’s Guide 11
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

Table of Contents
GS-2750 User’s Guide
12
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

Table of Contents
GS-2750 User’s Guide 13
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

Table of Contents
GS-2750 User’s Guide
14
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
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

Table of Contents
GS-2750 User’s Guide 15
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

Table of Contents
GS-2750 User’s Guide
16
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

Table of Contents
GS-2750 User’s Guide 17
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

Table of Contents
GS-2750 User’s Guide
18
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
32.1 Access Control Overview ............................................................................................ 261

Table of Contents
GS-2750 User’s Guide 19
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

Table of Contents
GS-2750 User’s Guide
20
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