ZyXEL Communications MGS3700-12C User manual

www.zyxel.com
www.zyxel.com
MGS3700-12C
MetroGigabit Switch
Copyright © 2012
ZyXEL Communications Corporation
Firmware Version 3.90
Edition 15, 11/2012
Default Login Details
IP Address http://192.168.1.1
http://192.168.0.1
(Out-of-band
MGMT port)
User Name admin
Password 1234

About This User's Guide
MGS3700-12C 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.
Related Documentation
•QuickStartGuide
The Quick Start Guide is designed to help you get your Switch up and running
right away. It contains information on setting up your network and configuring
for Internet access.
• Web Configurator Online Help
The embedded Web Help contains 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.
Note: It is recommended you use the web configurator to configure the Switch.
• Support Disc
Refer to the included CD for support documents.
Documentation Feedback
Send your comments, questions or suggestions to: [email protected]
Thank you!
The Technical Writing Team, ZyXEL Communications Corp.,
6 Innovation Road II, Science-Based Industrial Park, Hsinchu, 30099, Taiwan.

About This User's Guide
MGS3700-12C User’s Guide
4
Need More Help?
More help is available at www.zyxel.com.
• Download Library
Search for the latest product updates and documentation from this link. Read
the Tech Doc Overview to find out how to efficiently use the User Guide, Quick
Start Guide and Command Line Interface Reference Guide in order to better
understand how to use your product.
• Knowledge Base
If you have a specific question about your product, the answer may be here.
This is a collection of answers to previously asked questions about ZyXEL
products.
•Forum
This contains discussions on ZyXEL products. Learn from others who use ZyXEL
products and share your experiences as well.
Customer Support
Should problems arise that cannot be solved by the methods listed above, you
should contact your vendor. If you cannot contact your vendor, then contact a
ZyXEL office for the region in which you bought the device.
See http://www.zyxel.com/web/contact_us.php for contact information. Please
have the following information ready when you contact an office.
• Product model and serial number.
•WarrantyInformation.
• Date that you received your device.
Brief description of the problem and the steps you took to solve it.

Document Conventions
MGS3700-12C User’s Guide 5
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
Warnings tell you about things that could harm you or your
device.MGS3700-12C
Note: Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• TheMGS3700-12C may be referred to as the “Switch”, the “device”, the
“system” or the “product” in this User’s Guide.
• Product labels, screen names, field labels and field choices are all in bold font.
• A key stroke is denoted by square brackets and uppercase text, for example,
[ENTER] means the “enter” or “return” key on your keyboard.
• “Enter” means for you to type one or more characters and then press the
[ENTER] key. “Select” or “choose” means for you to use one of the predefined
choices.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For
example, Maintenance > Log > Log Setting means you first click
Maintenance in the navigation panel, then the Log sub menu and finally the
Log Setting tab to get to that screen.
• Units of measurement may denote the “metric” value or the “scientific” value.
For example, “k” for kilo may denote “1000” or “1024”, “M” for mega may
denote “1000000” or “1048576” and so on.
• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other
words”.

Document Conventions
MGS3700-12C User’s Guide
6
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 Router

Safety Warnings
MGS3700-12C User’s Guide 7
Safety Warnings
• 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.
• The length of exposed (bare) power wire should not exceed 7mm.
Your product is marked with this symbol, which is known as the WEEE mark. WEEE
stands for Waste Electronics and Electrical Equipment. It means that used electrical
and electronic products should not be mixed with general waste. Used electrical and
electronic equipment should be treated separately.

Safety Warnings
MGS3700-12C User’s Guide
8

Contents Overview
MGS3700-12C User’s Guide 9
Contents Overview
Introduction and Hardware ...................................................................................................23
Getting to Know Your Switch ..................................................................................................... 25
Hardware Installation and Connection ....................................................................................... 31
Hardware Overview ................................................................................................................... 35
The Web Configurator ............................................................................................................... 47
Initial Setup Example ................................................................................................................. 57
Tutorials ..................................................................................................................................... 63
Basic Configuration ...............................................................................................................91
System Status and Port Statistics ..............................................................................................93
Basic Setting ............................................................................................................................. 99
Advanced ..............................................................................................................................115
VLAN ........................................................................................................................................117
Static MAC Forward Setup ...................................................................................................... 137
Static Multicast Forward Setup ................................................................................................ 141
Filtering .................................................................................................................................... 145
Spanning Tree Protocol ...........................................................................................................147
Bandwidth Control ................................................................................................................... 169
Broadcast Storm Control .........................................................................................................173
Mirroring ..................................................................................................................................175
Link Aggregation ...................................................................................................................... 185
Port Authentication .................................................................................................................. 195
................................................................................................................................................. 203
Port Security ............................................................................................................................ 205
Classifier ...................................................................................................................................211
Policy Rule .............................................................................................................................. 219
Queuing Method ......................................................................................................................227
VLAN Stacking ......................................................................................................................... 231
Multicast .................................................................................................................................. 239
AAA ......................................................................................................................................... 255
IP Source Guard ...................................................................................................................... 269
Loop Guard .............................................................................................................................. 295
VLAN Mapping ........................................................................................................................ 299
Layer 2 Protocol Tunneling ...................................................................................................... 303
sFlow ....................................................................................................................................... 307
Error Diable ..............................................................................................................................311

Contents Overview
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10
PPPoE ..................................................................................................................................... 317
Private VLAN ........................................................................................................................... 327
Green Ethernet ........................................................................................................................331
IP Application .......................................................................................................................335
Static Route .............................................................................................................................337
Differentiated Services ............................................................................................................. 341
DHCP ...................................................................................................................................... 349
Management .........................................................................................................................357
Maintenance ............................................................................................................................ 359
Access Control ........................................................................................................................ 367
Diagnostic ................................................................................................................................389
Syslog ...................................................................................................................................... 391
Cluster Management ...............................................................................................................395
MAC Table ............................................................................................................................... 403
ARP Table ................................................................................................................................ 407
Configure Clone ....................................................................................................................... 409
Troubleshooting & Product Specifications .......................................................................413
Troubleshooting ....................................................................................................................... 415
Product Specifications ............................................................................................................. 419
Appendices and Index ........................................................................................................429

Table of Contents
MGS3700-12C User’s Guide 11
Table of Contents
About This User's Guide..........................................................................................................3
Document Conventions............................................................................................................5
Safety Warnings........................................................................................................................7
Contents Overview ...................................................................................................................9
Table of Contents....................................................................................................................11
Part I: Introduction and Hardware........................................................ 23
Chapter 1
Getting to Know Your Switch.................................................................................................25
1.1 Introduction .......................................................................................................................... 25
1.1.1 Backbone Application ................................................................................................. 25
1.1.2 Bridging Example ....................................................................................................... 26
1.1.3 High Performance Switching Example ....................................................................... 27
1.1.4 IEEE 802.1Q VLAN Application Examples ................................................................ 27
1.2 IPv6 Support ........................................................................................................................ 28
1.3 Ways to Manage the Switch ................................................................................................ 28
1.4 Good Habits for Managing the Switch ................................................................................. 29
Chapter 2
Hardware Installation and Connection .................................................................................31
2.1 Installation Scenarios .......................................................................................................... 31
2.2 Desktop Installation Procedure ...........................................................................................31
2.3 Mounting the Switch on a Rack .......................................................................................... 32
2.3.1 Rack-mounted Installation Requirements .................................................................. 32
2.3.2 Attaching the Mounting Brackets to the Switch .......................................................... 33
2.3.3 Mounting the Switch on a Rack .................................................................................. 34
Chapter 3
Hardware Overview.................................................................................................................35
3.1 Front Panel ......................................................................................................................... 35
3.1.1 Console Port .............................................................................................................. 36
3.1.2 Gigabit Ethernet Ports ............................................................................................... 36
3.1.3 Mini-GBIC Slots ..........................................................................................................37

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3.1.4 Management Port ....................................................................................................... 39
3.1.5 Power Connector ....................................................................................................... 39
3.1.6 Signal Slot .................................................................................................................. 41
3.2 Rear Panel ........................................................................................................................... 43
3.3 LEDs ................................................................................................................................... 43
3.4 Configuring the Switch ......................................................................................................... 44
Chapter 4
The Web Configurator ............................................................................................................47
4.1 Introduction .......................................................................................................................... 47
4.2 System Login .................................................................................................................... 47
4.3 The Web Configurator Layout ............................................................................................ 48
4.3.1 Change Your Password .......................................................................................... 52
4.4 Saving Your Configuration ................................................................................................... 52
4.5 Switch Lockout .................................................................................................................. 53
4.6 Resetting the Switch ......................................................................................................... 53
4.6.1 Reload the Configuration File .................................................................................... 53
4.7 Logging Out of the Web Configurator ................................................................................. 55
4.8 Help .................................................................................................................................... 55
Chapter 5
Initial Setup Example..............................................................................................................57
5.1 Overview .............................................................................................................................. 57
5.1.1 Creating a VLAN ........................................................................................................ 57
5.1.2 Setting Port VID .........................................................................................................58
5.2 Configuring Switch Management IP Address ...................................................................... 60
Chapter 6
Tutorials...................................................................................................................................63
6.1 How to Use DHCP Snooping on the Switch ........................................................................ 63
6.2 How to Use DHCP Relay on the Switch .............................................................................. 67
6.2.1 DHCP Relay Tutorial Introduction .............................................................................. 67
6.2.2 Creating a VLAN ........................................................................................................ 68
6.2.3 Configuring DHCP Relay ........................................................................................... 71
6.2.4 Troubleshooting ......................................................................................................... 72
6.3 How to Use PPPoE IA on the Switch .................................................................................. 72
6.3.1 Configuring Switch A .................................................................................................. 73
6.3.2 Configuring Switch B .................................................................................................. 75
6.4 How to Use Error Disable and Recovery on the Switch ...................................................... 78
6.5 How to Set Up a Guest VLAN ............................................................................................. 80
6.5.1 Creating a Guest VLAN .............................................................................................. 81
6.5.2 Enabling IEEE 802.1x Port Authentication ................................................................. 83
6.5.3 Enabling Guest VLAN ................................................................................................ 84

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MGS3700-12C User’s Guide 13
6.6 How to Do Port Isolation in a VLAN ..................................................................................... 85
6.6.1 Creating a VLAN ........................................................................................................ 86
6.6.2 Creating a Private VLAN Rule .................................................................................... 89
Part II: Basic Configuration................................................................... 91
Chapter 7
System Status and Port Statistics.........................................................................................93
7.1 Overview .............................................................................................................................. 93
7.2 Port Status Summary ...................................................................................................... 94
7.2.1 Status: Port Details ................................................................................................96
Chapter 8
Basic Setting ..........................................................................................................................99
8.1 Overview .............................................................................................................................. 99
8.2 System Information ......................................................................................................... 100
8.3 General Setup .................................................................................................................. 102
8.4 Introduction to VLANs ....................................................................................................... 104
8.4.1 Smart Isolation ......................................................................................................... 105
8.5 Switch Setup Screen ......................................................................................................106
8.6 IP Setup ............................................................................................................................ 108
8.6.1 Management IP Addresses ...................................................................................... 108
8.7 Port Setup ..........................................................................................................................112
Part III: Advanced..................................................................................115
Chapter 9
VLAN......................................................................................................................................117
9.1 Introduction to IEEE 802.1Q Tagged VLANs ....................................................................117
9.1.1 Forwarding Tagged and Untagged Frames ...............................................................118
9.2 Automatic VLAN Registration ............................................................................................118
9.2.1 GARP ........................................................................................................................118
9.2.2 GVRP ........................................................................................................................118
9.3 Port VLAN Trunking ...........................................................................................................119
9.4 Select the VLAN Type ......................................................................................................120
9.5 Static VLAN ....................................................................................................................... 120
9.5.1 Static VLAN Status .................................................................................................. 121
9.5.2 VLAN Details ........................................................................................................... 122
9.5.3 Configure a Static VLAN ...................................................................................... 122
9.5.4 Configure VLAN Port Settings ..............................................................................125

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14
9.6 Subnet Based VLANs ....................................................................................................... 126
9.7 Configuring Subnet Based VLAN .................................................................................... 127
9.8 Protocol Based VLANs ..................................................................................................... 129
9.9 Configuring Protocol Based VLAN .................................................................................. 130
9.10 Create an IP-based VLAN Example ................................................................................ 132
9.11 Port-based VLAN Setup .............................................................................................. 132
9.11.1 Configure a Port-based VLAN ............................................................................... 134
Chapter 10
Static MAC Forward Setup...................................................................................................137
10.1 Overview .......................................................................................................................... 137
10.2 Configuring Static MAC Forwarding ........................................................................... 137
Chapter 11
Static Multicast Forward Setup............................................................................................141
11.1 Static Multicast Forwarding Overview .............................................................................. 141
11.2 Configuring Static Multicast Forwarding ........................................................................... 142
Chapter 12
Filtering..................................................................................................................................145
12.1 Configure a Filtering Rule .............................................................................................145
Chapter 13
Spanning Tree Protocol........................................................................................................147
13.1 STP/RSTP Overview ...................................................................................................... 147
13.1.1 STP Terminology ................................................................................................... 147
13.1.2 How STP Works .................................................................................................... 148
13.1.3 STP Port States ..................................................................................................... 149
13.1.4 Multiple RSTP ....................................................................................................... 149
13.1.5 Multiple STP ...........................................................................................................150
13.2 Spanning Tree Protocol Status Screen ............................................................................ 153
13.3 Spanning Tree Configuration .......................................................................................... 154
13.4 Configure Rapid Spanning Tree Protocol ..................................................................... 155
13.5 Rapid Spanning Tree Protocol Status ........................................................................ 157
13.6 Configure Multiple Rapid Spanning Tree Protocol ........................................................ 159
13.7 Multiple Rapid Spanning Tree Protocol Status ..........................................................161
13.8 Configure Multiple Spanning Tree Protocol .................................................................. 163
13.9 Multiple Spanning Tree Protocol Status ..................................................................... 166
Chapter 14
Bandwidth Control................................................................................................................169
14.1 Bandwidth Control Overview .......................................................................................... 169
14.1.1 CIR and PIR ........................................................................................................... 169

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MGS3700-12C User’s Guide 15
14.2 Bandwidth Control Setup ................................................................................................. 170
Chapter 15
Broadcast Storm Control .....................................................................................................173
15.1 Broadcast Storm Control Setup ...................................................................................... 173
Chapter 16
Mirroring................................................................................................................................175
16.1 Port Mirroring Setup .......................................................................................................175
16.2 RMirror ............................................................................................................................. 177
16.2.1 RMirror Overview ................................................................................................... 177
16.2.2 RMirror Configuration ............................................................................................ 178
16.2.3 Source .................................................................................................................... 179
16.2.4 Destination .............................................................................................................181
16.2.5 Connected Port ...................................................................................................... 183
Chapter 17
Link Aggregation ..................................................................................................................185
17.1 Link Aggregation Overview ............................................................................................. 185
17.2 Dynamic Link Aggregation .............................................................................................. 185
17.2.1 Link Aggregation ID ............................................................................................... 186
17.3 Link Aggregation Status ..................................................................................................187
17.4 Link Aggregation Setting ................................................................................................189
17.5 Link Aggregation Control Protocol ................................................................................ 191
17.6 Static Trunking Example ..................................................................................................192
Chapter 18
Port Authentication...............................................................................................................195
18.1 Port Authentication Overview ..........................................................................................195
18.1.1 IEEE 802.1x Authentication ................................................................................... 195
18.1.2 MAC Authentication ............................................................................................... 196
18.2 Port Authentication Configuration .................................................................................... 197
18.2.1 Activate IEEE 802.1x Security ........................................................................... 198
18.2.2 Guest VLAN ........................................................................................................... 199
18.2.3 Activate MAC Authentication ................................................................................. 202
................................................................................................................................................203
Chapter 19
Port Security..........................................................................................................................205
19.1 About Port Security ......................................................................................................... 205
19.2 Port Security Setup .......................................................................................................... 206
19.3 VLAN MAC Address Limit .............................................................................................. 208

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MGS3700-12C User’s Guide
16
Chapter 20
Classifier................................................................................................................................211
20.1 About the Classifier and QoS ...........................................................................................211
20.2 Configuring the Classifier ................................................................................................211
20.3 Viewing and Editing Classifier Configuration ................................................................... 214
20.4 Classifier Example ........................................................................................................... 216
Chapter 21
Policy Rule............................................................................................................................219
21.1 Policy Rules Overview ....................................................................................................219
21.1.1 DiffServ ..................................................................................................................219
21.1.2 DSCP and Per-Hop Behavior ................................................................................. 219
21.2 Configuring Policy Rules .................................................................................................220
21.3 Viewing and Editing Policy Configuration ........................................................................ 223
21.4 Policy Example ................................................................................................................ 224
Chapter 22
Queuing Method....................................................................................................................227
22.1 Queuing Method Overview ............................................................................................. 227
22.1.1 Strictly Priority Queuing ..........................................................................................227
22.1.2 Weighted Fair Queuing .......................................................................................... 227
22.1.3 Weighted Round Robin Scheduling (WRR) ........................................................... 228
22.2 Configuring Queuing ........................................................................................................ 229
Chapter 23
VLAN Stacking ......................................................................................................................231
23.1 VLAN Stacking Overview ................................................................................................ 231
23.1.1 VLAN Stacking Example ........................................................................................ 231
23.2 VLAN Stacking Port Roles ............................................................................................... 232
23.3 VLAN Tag Format ............................................................................................................233
23.3.1 Frame Format ........................................................................................................ 233
23.4 Configuring VLAN Stacking ............................................................................................. 234
23.4.1 Port-based Q-in-Q .................................................................................................. 235
23.4.2 Selective Q-in-Q .................................................................................................... 237
Chapter 24
Multicast ................................................................................................................................239
24.1 Multicast Overview ......................................................................................................... 239
24.1.1 IP Multicast Addresses ...........................................................................................239
24.1.2 IGMP Filtering ........................................................................................................239
24.1.3 IGMP Snooping ..................................................................................................... 240
24.1.4 IGMP Snooping and VLANs ................................................................................... 240
24.2 Multicast Status .............................................................................................................. 240

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MGS3700-12C User’s Guide 17
24.3 Multicast Setting ............................................................................................................. 241
24.4 IGMP Snooping VLAN ....................................................................................................244
24.5 IGMP Filtering Profile .....................................................................................................246
24.6 MVR Overview ................................................................................................................247
24.6.1 Types of MVR Ports ............................................................................................... 248
24.6.2 MVR Modes ........................................................................................................... 248
24.6.3 How MVR Works .................................................................................................... 248
24.7 General MVR Configuration ............................................................................................ 249
24.8 MVR Group Configuration .............................................................................................. 251
24.8.1 MVR Configuration Example .................................................................................. 253
Chapter 25
AAA........................................................................................................................................255
25.1 Authentication, Authorization and Accounting (AAA) ..................................................... 255
25.1.1 Local User Accounts .............................................................................................. 256
25.1.2 RADIUS and TACACS+ ........................................................................................ 256
25.2 AAA Screens ................................................................................................................... 256
25.2.1 RADIUS Server Setup ........................................................................................ 257
25.2.2 TACACS+ Server Setup ..................................................................................... 259
25.2.3 AAA Setup .............................................................................................................261
25.2.4 Vendor Specific Attribute ........................................................................................ 264
25.3 Supported RADIUS Attributes .........................................................................................265
25.3.1 Attributes Used for Authentication .......................................................................... 266
25.3.2 Attributes Used for Accounting ............................................................................... 267
Chapter 26
IP Source Guard....................................................................................................................269
26.1 IP Source Guard Overview .............................................................................................. 269
26.1.1 DHCP Snooping Overview ..................................................................................... 270
26.1.2 ARP Inspection Overview ...................................................................................... 272
26.2 IP Source Guard ..............................................................................................................273
26.3 IP Source Guard Static Binding ....................................................................................... 274
26.4 DHCP Snooping .............................................................................................................. 277
26.5 DHCP Snooping Configure .............................................................................................. 280
26.5.1 DHCP Snooping Port Configure ............................................................................. 282
26.5.2 DHCP Snooping VLAN Configure .......................................................................... 283
26.6 ARP Inspection Status .....................................................................................................285
26.6.1 ARP Inspection VLAN Status .................................................................................286
26.6.2 ARP Inspection Log Status ....................................................................................287
26.7 ARP Inspection Configure ............................................................................................... 288
26.7.1 ARP Inspection Port Configure ..............................................................................290
26.7.2 ARP Inspection VLAN Configure ........................................................................... 292

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18
Chapter 27
Loop Guard............................................................................................................................295
27.1 Loop Guard Overview ..................................................................................................... 295
27.2 Loop Guard Setup ...........................................................................................................297
Chapter 28
VLAN Mapping ......................................................................................................................299
28.1 VLAN Mapping Overview ............................................................................................... 299
28.1.1 VLAN Mapping Example ........................................................................................ 299
28.2 Enabling VLAN Mapping ................................................................................................. 300
28.3 Configuring VLAN Mapping ............................................................................................. 301
Chapter 29
Layer 2 Protocol Tunneling..................................................................................................303
29.1 Layer 2 Protocol Tunneling Overview ............................................................................. 303
29.1.1 Layer 2 Protocol Tunneling Mode .......................................................................... 304
29.2 Configuring Layer 2 Protocol Tunneling .......................................................................... 305
Chapter 30
sFlow......................................................................................................................................307
30.1 sFlow Overview ............................................................................................................... 307
30.2 sFlow Configuration ......................................................................................................... 308
30.2.1 sFlow Collector Configuration ................................................................................ 309
Chapter 31
Error Diable ...........................................................................................................................311
31.1 CPU Protection Overview .................................................................................................311
31.2 Error-Disable Recovery Overview ....................................................................................311
31.3 The Error Disable Screen ................................................................................................ 312
31.4 CPU Protection Configuration ......................................................................................... 312
31.5 Error-Disable Detect Configuration .................................................................................. 313
31.6 Error-Disable Recovery Configuration ............................................................................. 315
Chapter 32
PPPoE....................................................................................................................................317
32.1 PPPoE Intermediate Agent Overview .............................................................................. 317
32.2 PPPoE Intermediate Agent Tag Format .......................................................................... 317
32.2.1 Sub-Option Format ................................................................................................. 318
32.2.2 Port State ...............................................................................................................319
32.3 PPPoE ............................................................................................................................. 320
32.4 PPPoE Intermediate Agent .............................................................................................. 320
32.5 PPPoE IA Per-Port ..........................................................................................................321
32.5.1 PPPoE IA Per-Port Per-VLAN ................................................................................ 324

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MGS3700-12C User’s Guide 19
32.6 PPPoE IA for VLAN .........................................................................................................325
Chapter 33
Private VLAN.........................................................................................................................327
33.1 Private VLAN Overview .................................................................................................. 327
33.2 Configuring Private VLAN ................................................................................................ 328
Chapter 34
Green Ethernet......................................................................................................................331
34.1 Green Ethernet Overview ...............................................................................................331
34.2 Configuring Green Ethernet ............................................................................................. 332
Part IV: IP Application.......................................................................... 335
Chapter 35
Static Route...........................................................................................................................337
35.1 Static Routing Overview ..................................................................................................337
35.2 Configuring Static Routing ............................................................................................... 338
Chapter 36
Differentiated Services.........................................................................................................341
36.1 DiffServ Overview ........................................................................................................... 341
36.1.1 DSCP and Per-Hop Behavior ................................................................................. 341
36.1.2 DiffServ Network Example .................................................................................... 342
36.2 Two Rate Three Color Marker Traffic Policing ................................................................. 342
36.2.1 TRTCM-Color-blind Mode ...................................................................................... 343
36.2.2 TRTCM-Color-aware Mode .................................................................................... 344
36.3 Activating DiffServ .......................................................................................................... 344
36.3.1 Configuring 2-Rate 3 Color Marker Settings ......................................................... 346
36.4 DSCP-to-IEEE 802.1p Priority Settings .......................................................................... 347
36.4.1 Configuring DSCP Settings .................................................................................... 348
Chapter 37
DHCP......................................................................................................................................349
37.1 DHCP Overview ............................................................................................................. 349
37.1.1 DHCP Modes ........................................................................................................ 349
37.1.2 DHCP Configuration Options ................................................................................. 349
37.2 DHCP Status ................................................................................................................... 350
37.3 DHCP Relay ................................................................................................................... 350
37.3.1 DHCP Relay Agent Information ............................................................................. 350
37.3.2 Configuring DHCP Global Relay ............................................................................ 351

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37.3.3 Global DHCP Relay Configuration Example .......................................................... 352
37.4 Configuring DHCP VLAN Settings ................................................................................ 353
37.4.1 Example: DHCP Relay for Two VLANs .................................................................. 354
Part V: Management............................................................................. 357
Chapter 38
Maintenance..........................................................................................................................359
38.1 The Maintenance Screen .............................................................................................. 359
38.2 Load Factory Default ......................................................................................................360
38.3 Save Configuration ..........................................................................................................360
38.4 Reboot System ................................................................................................................ 361
38.5 Firmware Upgrade ........................................................................................................361
38.6 Restore a Configuration File .........................................................................................362
38.7 Backup a Configuration File ............................................................................................ 363
38.8 FTP Command Line ........................................................................................................ 363
38.8.1 Filename Conventions .......................................................................................... 363
38.8.2 FTP Command Line Procedure ............................................................................ 364
38.8.3 GUI-based FTP Clients .......................................................................................... 365
38.8.4 FTP Restrictions .................................................................................................... 365
Chapter 39
Access Control......................................................................................................................367
39.1 Access Control Overview ............................................................................................... 367
39.2 The Access Control Main Screen .................................................................................... 367
39.3 About SNMP .................................................................................................................. 368
39.3.1 SNMP v3 and Security ........................................................................................... 369
39.3.2 Supported MIBs .................................................................................................... 369
39.3.3 SNMP Traps ........................................................................................................... 370
39.3.4 Configuring SNMP ................................................................................................ 374
39.3.5 Configuring SNMP Trap Group ........................................................................... 377
39.3.6 Setting Up Login Accounts ................................................................................. 378
39.4 SSH Overview ................................................................................................................. 379
39.5 How SSH works ...............................................................................................................380
39.6 SSH Implementation on the Switch ................................................................................. 381
39.6.1 Requirements for Using SSH ................................................................................. 381
39.7 Introduction to HTTPS .....................................................................................................381
39.8 HTTPS Example ..............................................................................................................382
39.8.1 Internet Explorer Warning Messages ..................................................................... 382
39.8.2 Netscape Navigator Warning Messages ................................................................ 383
39.8.3 The Main Screen .................................................................................................... 385