Default Login Details
User’s Guide
GS2220 Series
8/24/44-Port GbE L2 Switch with 2/4 Dual Personality GbE Uplinks
8/24/44-Port GbE L2 PoE Switch with 2/4 Dual Personality GbE Uplinks
Copyright © 2019 Zyxel Communications Corporation
Management IP
Address
http://DHCP-assigned IP
or
http://192.168.1.1
User Name admin
Password 1234
Version 4.60 Edition 1, 11/2019
GS2220 Series User’s Guide
2
IMPORTANT!
READ CAREFULLY BEFORE USE.
KEEP THIS GUIDE FOR FUTURE REFERENCE.
Screenshots and graphics in this book may differ slightly from your product due to differences in your
product firmware or your computer operating system. Every effort has been made to ensure that the
information in this manual is accurate.
Related Documentation
•CLI Reference Guide
This guide explains how to use the Command-Line Interface (CLI) to configure the Switch.
Note: It is recommended you use the Web Configurator to configure the Switch.
• Web Configurator Online Help
Click the help icon in any screen for help in configuring that screen and supplementary information.
•More Information
Go to https://businessforum.zyxel.com for product discussions.
Go to support.zyxel.com to find other information on the Switch
.
Contents Overview
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Contents Overview
User’s Guide ......................................................................................................................................20
Getting to Know Your Switch .............................................................................................................. 21
Hardware Installation and Connection ............................................................................................. 30
Hardware Overview ............................................................................................................................. 35
The Web Configurator ......................................................................................................................... 43
Initial Setup Example ............................................................................................................................ 59
Tutorials .................................................................................................................................................. 63
Technical Reference ........................................................................................................................73
Status ...................................................................................................................................................... 74
Basic Setting .......................................................................................................................................... 80
VLAN .................................................................................................................................................... 110
Static MAC Forward Setup ................................................................................................................ 131
Static Multicast Forwarding ............................................................................................................... 133
Filtering ................................................................................................................................................. 136
Spanning Tree Protocol ...................................................................................................................... 138
Bandwidth Control ............................................................................................................................. 159
Broadcast Storm Control ................................................................................................................... 161
Mirroring ............................................................................................................................................... 163
Link Aggregation ................................................................................................................................ 165
Port Authentication ............................................................................................................................ 172
Port Security ......................................................................................................................................... 181
Time Range ......................................................................................................................................... 183
Classifier ............................................................................................................................................... 185
Policy Rule ........................................................................................................................................... 194
Queuing Method ................................................................................................................................ 198
Multicast .............................................................................................................................................. 201
AAA ...................................................................................................................................................... 224
IP Source Guard .................................................................................................................................. 237
Loop Guard ......................................................................................................................................... 267
VLAN Mapping ................................................................................................................................... 270
Layer 2 Protocol Tunneling ................................................................................................................ 273
PPPoE ................................................................................................................................................... 277
Error Disable ......................................................................................................................................... 285
Private VLAN ....................................................................................................................................... 291
Green Ethernet ................................................................................................................................... 293
Link Layer Discovery Protocol (LLDP) ................................................................................................ 295
Anti-Arpscan ....................................................................................................................................... 317
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BPDU Guard ........................................................................................................................................ 322
OAM ..................................................................................................................................................... 325
ZULD ...................................................................................................................................................... 332
Static Route ......................................................................................................................................... 336
Differentiated Services ....................................................................................................................... 339
DHCP .................................................................................................................................................... 343
ARP Setup ............................................................................................................................................ 354
Maintenance ...................................................................................................................................... 358
Access Control .................................................................................................................................... 372
Diagnostic ........................................................................................................................................... 392
System Log .......................................................................................................................................... 394
Syslog Setup ........................................................................................................................................ 395
Cluster Management ......................................................................................................................... 398
MAC Table ........................................................................................................................................... 404
ARP Table ............................................................................................................................................ 407
Path MTU Table ................................................................................................................................... 409
Configure Clone ................................................................................................................................. 410
IPv6 Neighbor Table ........................................................................................................................... 413
Port Status ............................................................................................................................................ 415
Troubleshooting and Appendices .................................................................................................422
Troubleshooting .................................................................................................................................. 423
Table of Contents
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Table of Contents
Contents Overview .............................................................................................................................3
Table of Contents.................................................................................................................................5
Part I: User’s Guide..........................................................................................20
Chapter 1
Getting to Know Your Switch ............................................................................................................21
1.1 Introduction ..................................................................................................................................... 21
1.1.1 Management Method ......................................................................................................... 22
1.1.2 Management Modes ........................................................................................................... 22
1.1.3 Mode Changing ................................................................................................................... 23
1.1.4 ZON Utility ............................................................................................................................... 24
1.1.5 PoE .......................................................................................................................................... 24
1.2 Example Applications .................................................................................................................... 25
1.2.1 PoE Example Application ..................................................................................................... 25
1.2.2 Backbone Example Application ......................................................................................... 26
1.2.3 Bridging/Fiber Uplink Example Application ........................................................................ 26
1.2.4 High Performance Switching Example ............................................................................... 27
1.2.5 IEEE 802.1Q VLAN Application Example ............................................................................. 27
1.2.6 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 ...........................................................................................30
2.1 Installation Scenarios ...................................................................................................................... 30
2.2 Desktop Installation Procedure .................................................................................................... 30
2.3 Mounting the Switch on a Rack .................................................................................................. 31
2.3.1 Installation Requirements ..................................................................................................... 31
2.3.2 Attaching the Mounting Brackets to the Switch ............................................................... 32
2.3.3 Mounting the Switch on a Rack .......................................................................................... 32
2.4 Wall Mounting (GS2220-10 and GS2220-10HP Only) .................................................................. 33
2.4.1 Installation Requirement ...................................................................................................... 33
Chapter 3
Hardware Overview...........................................................................................................................35
3.1 Front Panel Connections .............................................................................................................. 35
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3.1.1 SFP Slots ................................................................................................................................. 36
3.1.2 Ethernet Ports ......................................................................................................................... 38
3.1.3 PoE (GS2220-10HP, GS2220-28HP and GS2220-50HP) ....................................................... 38
3.1.4 Dual Personality Interfaces .................................................................................................. 38
3.1.5 Console Port ......................................................................................................................... 39
3.2 Rear Panel ....................................................................................................................................... 39
3.2.1 Grounding .............................................................................................................................. 40
3.2.2 AC Power Connection ......................................................................................................... 40
3.3 LEDs .............................................................................................................................................. 41
Chapter 4
The Web Configurator........................................................................................................................43
4.1 Overview ......................................................................................................................................... 43
4.2 System Login ............................................................................................................................... 43
4.3 Zyxel One Network (ZON) Utility ................................................................................................... 46
4.3.1 Requirements ......................................................................................................................... 46
4.3.2 Run the ZON Utility ................................................................................................................. 47
4.4 The Web Configurator Layout ...................................................................................................... 51
4.4.1 Change Your Password ..................................................................................................... 55
4.5 Saving Your Configuration ............................................................................................................. 56
4.6 Switch Lockout .............................................................................................................................. 56
4.7 Resetting the Switch .................................................................................................................... 56
4.7.1 Using the RESTORE Button ..................................................................................................... 56
4.7.2 Reload the Configuration File ............................................................................................. 57
4.8 Logging Out of the Web Configurator .......................................................................................57
4.9 Help ................................................................................................................................................. 58
Chapter 5
Initial Setup Example.........................................................................................................................59
5.1 Overview ......................................................................................................................................... 59
5.1.1 Creating a VLAN ................................................................................................................... 59
5.1.2 Setting Port VID ...................................................................................................................... 60
5.1.3 Configuring Switch Management IP Address .................................................................... 61
Chapter 6
Tutorials...............................................................................................................................................63
6.1 Overview ......................................................................................................................................... 63
6.2 How to Use DHCPv4 Snooping on the Switch ............................................................................. 63
6.3 How to Use DHCPv4 Relay on the Switch .................................................................................... 66
6.3.1 DHCP Relay Tutorial Introduction ........................................................................................ 67
6.3.2 Creating a VLAN ................................................................................................................... 67
6.3.3 Configuring DHCPv4 Relay .................................................................................................. 69
6.3.4 Troubleshooting ..................................................................................................................... 70
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6.4 How to Use Auto Configuration via a DHCP Server on the Switch ........................................... 70
Part II: Technical Reference...........................................................................73
Chapter 7
Status...................................................................................................................................................74
7.1 Overview ......................................................................................................................................... 74
7.1.1 What You Can Do ................................................................................................................. 74
7.2 Status ............................................................................................................................................... 74
7.2.1 Neighbor Screen .................................................................................................................. 76
7.2.2 Neighbor Detail ..................................................................................................................... 77
Chapter 8
Basic Setting.......................................................................................................................................80
8.1 Overview ......................................................................................................................................... 80
8.1.1 What You Can Do ................................................................................................................. 80
8.2 System Information ...................................................................................................................... 80
8.3 General Setup ............................................................................................................................... 82
8.4 Introduction to VLANs ................................................................................................................... 84
8.5 Switch Setup ................................................................................................................................... 85
8.6 IP Setup ........................................................................................................................................... 86
8.6.1 Management IP Addresses ..................................................................................................86
8.7 Port Setup ....................................................................................................................................... 88
8.8 PoE Setup ........................................................................................................................................ 90
8.8.1 PoE Time Range Setup ......................................................................................................... 92
8.8.2 PoE Setup .............................................................................................................................. 93
8.9 Interface Setup ............................................................................................................................... 96
8.10 IPv6 ................................................................................................................................................. 97
8.10.1 IPv6 Interface Status ........................................................................................................... 97
8.10.2 IPv6 Configuration .............................................................................................................. 99
8.10.3 IPv6 Global Setup .............................................................................................................. 100
8.10.4 IPv6 Interface Setup .......................................................................................................... 101
8.10.5 IPv6 Link-Local Address Setup .......................................................................................... 102
8.10.6 IPv6 Global Address Setup ...............................................................................................103
8.10.7 IPv6 Neighbor Discovery Setup ....................................................................................... 103
8.10.8 IPv6 Neighbor Setup ......................................................................................................... 104
8.10.9 DHCPv6 Client Setup ........................................................................................................ 106
8.11 DNS ............................................................................................................................................... 107
8.12 Cloud Management .................................................................................................................. 107
8.12.1 Nebula Control Center Discovery ................................................................................... 108
8.12.2 Nebula Switch Registration ..............................................................................................108
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Chapter 9
VLAN..................................................................................................................................................110
9.1 Overview ....................................................................................................................................... 110
9.1.1 What You Can Do ............................................................................................................... 110
9.1.2 What You Need to Know ................................................................................................... 111
9.2 VLAN Status .................................................................................................................................. 114
9.2.1 VLAN Detail .......................................................................................................................... 115
9.3 VLAN Configuration .................................................................................................................... 115
9.4 Configure a Static VLAN ............................................................................................................ 116
9.5 Configure VLAN Port Setting ...................................................................................................... 118
9.6 Subnet Based VLANs .................................................................................................................... 119
9.6.1 Configuring Subnet Based VLAN ....................................................................................... 120
9.7 Protocol Based VLANs .................................................................................................................. 121
9.7.1 Configuring Protocol Based VLAN .................................................................................... 122
9.8 Voice VLAN Setup ........................................................................................................................ 123
9.9 MAC Based VLAN ......................................................................................................................... 125
9.10 Vendor ID Based VLAN .............................................................................................................. 126
9.11 Port-Based VLAN Setup ............................................................................................................. 128
9.11.1 Configure a Port Based VLAN ......................................................................................... 128
Chapter 10
Static MAC Forward Setup ..............................................................................................................131
10.1 Overview ..................................................................................................................................... 131
10.1.1 What You Can Do ............................................................................................................. 131
10.2 Configuring Static MAC Forwarding ....................................................................................... 131
Chapter 11
Static Multicast Forwarding.............................................................................................................133
11.1 Static Multicast Forward Setup Overview ............................................................................... 133
11.1.1 What You Can Do ............................................................................................................. 133
11.1.2 What You Need To Know ................................................................................................. 133
11.2 Configuring Static Multicast Forwarding .................................................................................. 134
Chapter 12
Filtering..............................................................................................................................................136
12.1 Filtering Overview ...................................................................................................................... 136
12.1.1 What You Can Do ............................................................................................................. 136
12.2 Configure a Filtering Rule .......................................................................................................... 136
Chapter 13
Spanning Tree Protocol ...................................................................................................................138
13.1 Spanning Tree Protocol Overview ........................................................................................... 138
13.1.1 What You Can Do ............................................................................................................. 138
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13.1.2 What You Need to Know ................................................................................................. 138
13.2 Spanning Tree Protocol Status Screen ..................................................................................... 141
13.3 Spanning Tree Configuration ................................................................................................... 142
13.4 Configure Rapid Spanning Tree Protocol ............................................................................. 142
13.5 Rapid Spanning Tree Protocol Status ......................................................................................144
13.6 Configure Multiple Spanning Tree Protocol ......................................................................... 146
13.6.1 Multiple Spanning Tree Protocol Port Configuration .................................................... 149
13.7 Multiple Spanning Tree Protocol Status ...................................................................................150
13.8 Configure Multiple Rapid Spanning Tree Protocol ................................................................. 153
13.9 Multiple Rapid Spanning Tree Protocol Status ........................................................................ 155
13.10 Technical Reference ................................................................................................................ 156
13.10.1 MSTP Network Example .................................................................................................. 156
13.10.2 MST Region ....................................................................................................................... 157
13.10.3 MST Instance .................................................................................................................... 157
13.10.4 Common and Internal Spanning Tree (CIST) ............................................................... 158
Chapter 14
Bandwidth Control...........................................................................................................................159
14.1 Bandwidth Control Overview ................................................................................................... 159
14.1.1 What You Can Do ............................................................................................................. 159
14.2 Bandwidth Control Setup .......................................................................................................... 159
Chapter 15
Broadcast Storm Control.................................................................................................................161
15.1 Broadcast Storm Control Overview .........................................................................................161
15.1.1 What You Can Do ............................................................................................................. 161
15.2 Broadcast Storm Control Setup ................................................................................................ 161
Chapter 16
Mirroring............................................................................................................................................163
16.1 Mirroring Overview .................................................................................................................... 163
16.1.1 What You Can Do ............................................................................................................. 163
16.2 Port Mirroring Setup .................................................................................................................... 163
Chapter 17
Link Aggregation .............................................................................................................................165
17.1 Link Aggregation Overview ...................................................................................................... 165
17.1.1 What You Can Do ............................................................................................................. 165
17.1.2 What You Need to Know ................................................................................................. 165
17.2 Link Aggregation Status ............................................................................................................. 166
17.3 Link Aggregation Setting .......................................................................................................... 167
17.3.1 Link Aggregation Control Protocol .............................................................................. 169
17.4 Technical Reference .................................................................................................................. 170
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17.4.1 Static Trunking Example ................................................................................................... 170
Chapter 18
Port Authentication..........................................................................................................................172
18.1 Port Authentication Overview ................................................................................................. 172
18.1.1 What You Can Do ............................................................................................................. 172
18.1.2 What You Need to Know ................................................................................................. 172
18.1.3 MAC Authentication ........................................................................................................ 173
18.2 Port Authentication Configuration ........................................................................................... 174
18.3 Activate IEEE 802.1x Security ................................................................................................... 174
18.3.1 Guest VLAN ....................................................................................................................... 176
18.4 Activate MAC Authentication ................................................................................................. 178
Chapter 19
Port Security......................................................................................................................................181
19.1 Port Security Overview .............................................................................................................. 181
19.1.1 What You Can Do ............................................................................................................. 181
19.2 Port Security Setup ...................................................................................................................... 181
Chapter 20
Time Range.......................................................................................................................................183
20.1 Time Range Overview ............................................................................................................... 183
20.1.1 What You Can Do ............................................................................................................. 183
20.2 Configuring Time Range ............................................................................................................ 183
Chapter 21
Classifier............................................................................................................................................185
21.1 Classifier Overview ..................................................................................................................... 185
21.1.1 What You Can Do ............................................................................................................. 185
21.1.2 What You Need to Know ................................................................................................. 185
21.2 Classifier Status ............................................................................................................................ 185
21.3 Classifier Configuration ............................................................................................................. 186
21.3.1 Viewing and Editing Classifier Configuration Summary ............................................... 190
21.4 Classifier Global Setting Configuration ................................................................................... 191
21.5 Classifier Example ....................................................................................................................... 192
Chapter 22
Policy Rule ........................................................................................................................................194
22.1 Policy Rules Overview ............................................................................................................... 194
22.1.1 What You Can Do ............................................................................................................. 194
22.2 Configuring Policy Rules ............................................................................................................ 194
22.3 Policy Example ............................................................................................................................ 197
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Chapter 23
Queuing Method..............................................................................................................................198
23.1 Queuing Method Overview ..................................................................................................... 198
23.1.1 What You Can Do ............................................................................................................. 198
23.1.2 What You Need to Know ................................................................................................. 198
23.2 Configuring Queuing ................................................................................................................. 199
Chapter 24
Multicast............................................................................................................................................201
24.1 Multicast Overview ..................................................................................................................... 201
24.1.1 What You Can Do ............................................................................................................. 201
24.1.2 What You Need to Know ................................................................................................. 201
24.2 Multicast Setup ........................................................................................................................... 205
24.3 IPv4 Multicast Status .................................................................................................................. 205
24.3.1 IGMP Snooping ................................................................................................................. 206
24.3.2 IGMP Snooping VLAN ...................................................................................................... 209
24.3.3 IGMP Filtering Profile ........................................................................................................ 210
24.4 IPv6 Multicast Status .................................................................................................................. 211
24.4.1 MLD Snooping-proxy ........................................................................................................ 212
24.4.2 MLD Snooping-proxy VLAN .............................................................................................. 212
24.4.3 MLD Snooping-proxy VLAN Port Role Setting ................................................................. 214
24.4.4 MLD Snooping-proxy Filtering .......................................................................................... 216
24.4.5 MLD Snooping-proxy Filtering Profile ............................................................................... 217
24.5 General MVR Configuration ..................................................................................................... 218
24.5.1 MVR Group Configuration .............................................................................................. 220
24.5.2 MVR Configuration Example ........................................................................................... 222
Chapter 25
AAA...................................................................................................................................................224
25.1 AAA Overview ........................................................................................................................... 224
25.1.1 What You Can Do ............................................................................................................. 224
25.1.2 What You Need to Know ................................................................................................. 225
25.2 AAA Screens ............................................................................................................................... 225
25.3 RADIUS Server Setup .................................................................................................................. 226
25.4 TACACS+ Server Setup .............................................................................................................. 227
25.5 AAA Setup .................................................................................................................................. 229
25.6 Technical Reference .................................................................................................................. 231
25.6.1 Vendor Specific Attribute ................................................................................................ 231
25.6.2 Supported RADIUS Attributes ........................................................................................... 233
25.6.3 Attributes Used for Authentication .................................................................................. 233
25.6.4 Attributes Used for Accounting ....................................................................................... 234
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Chapter 26
IP Source Guard...............................................................................................................................237
26.1 IP Source Guard Overview ........................................................................................................ 237
26.1.1 What You Can Do ............................................................................................................. 237
26.1.2 What You Need to Know ................................................................................................ 238
26.2 IP Source Guard .......................................................................................................................... 239
26.3 IPv4 Source Guard Setup .......................................................................................................... 240
26.4 IPv4 Source Guard Static Binding ............................................................................................. 240
26.5 DHCP Snooping .......................................................................................................................... 242
26.6 DHCP Snooping Configure ........................................................................................................ 245
26.6.1 DHCP Snooping Port Configure ...................................................................................... 246
26.6.2 DHCP Snooping VLAN Configure .................................................................................... 247
26.6.3 DHCP Snooping VLAN Port Configure ............................................................................ 248
26.7 ARP Inspection Status ................................................................................................................. 249
26.7.1 ARP Inspection VLAN Status ............................................................................................. 250
26.7.2 ARP Inspection Log Status ................................................................................................ 251
26.8 ARP Inspection Configure .......................................................................................................... 252
26.8.1 ARP Inspection Port Configure ........................................................................................ 253
26.8.2 ARP Inspection VLAN Configure ..................................................................................... 255
26.9 IPv6 Source Guard Overview ................................................................................................... 255
26.10 IPv6 Source Binding Status ....................................................................................................... 256
26.11 IPv6 Static Binding Setup ........................................................................................................ 257
26.12 IPv6 Source Guard Policy Setup ............................................................................................ 258
26.13 IPv6 Source Guard Port Setup ................................................................................................ 259
26.14 IPv6 Snooping Policy Setup .................................................................................................... 260
26.15 IPv6 Snooping VLAN Setup ..................................................................................................... 261
26.16 IPv6 DHCP Trust Setup ............................................................................................................. 262
26.17 Technical Reference ................................................................................................................ 263
26.17.1 DHCP Snooping Overview ............................................................................................. 263
26.17.2 ARP Inspection Overview ............................................................................................... 265
Chapter 27
Loop Guard ......................................................................................................................................267
27.1 Loop Guard Overview .............................................................................................................. 267
27.1.1 What You Can Do ............................................................................................................. 267
27.1.2 What You Need to Know ................................................................................................. 267
27.2 Loop Guard Setup ...................................................................................................................... 269
Chapter 28
VLAN Mapping.................................................................................................................................270
28.1 VLAN Mapping Overview ......................................................................................................... 270
28.1.1 VLAN Mapping Example .................................................................................................. 270
28.1.2 What You Can Do ............................................................................................................. 270
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28.2 Enable VLAN Mapping .............................................................................................................. 271
28.2.1 VLAN Mapping Configure ............................................................................................... 271
Chapter 29
Layer 2 Protocol Tunneling..............................................................................................................273
29.1 Layer 2 Protocol Tunneling Overview ......................................................................................273
29.1.1 What You Can Do ............................................................................................................. 273
29.1.2 What You Need to Know ................................................................................................. 273
29.2 Configuring Layer 2 Protocol Tunneling ................................................................................... 274
Chapter 30
PPPoE.................................................................................................................................................277
30.1 PPPoE Intermediate Agent Overview ..................................................................................... 277
30.1.1 What You Can Do ............................................................................................................. 277
30.1.2 What You Need to Know ................................................................................................. 277
30.2 PPPoE Screen .............................................................................................................................. 279
30.3 PPPoE Intermediate Agent ....................................................................................................... 280
30.3.1 PPPoE IA Per-Port .............................................................................................................. 281
30.3.2 PPPoE IA Per-Port Per-VLAN ............................................................................................ 282
30.3.3 PPPoE IA for VLAN ............................................................................................................ 283
Chapter 31
Error Disable......................................................................................................................................285
31.1 Error Disable Overview .............................................................................................................. 285
31.1.1 CPU Protection Overview ................................................................................................ 285
31.1.2 Error-Disable Recovery Overview .................................................................................... 285
31.1.3 What You Can Do ............................................................................................................. 285
31.2 Error Disable Screen .................................................................................................................... 286
31.3 Error-Disable Status .................................................................................................................... 286
31.4 CPU Protection Configuration .................................................................................................. 288
31.5 Error-Disable Detect Configuration ......................................................................................... 289
31.6 Error-Disable Recovery Configuration .....................................................................................290
Chapter 32
Private VLAN.....................................................................................................................................291
32.1 Private VLAN Overview ............................................................................................................. 291
32.2 Configuring Private VLAN .......................................................................................................... 291
Chapter 33
Green Ethernet.................................................................................................................................293
33.1 Green Ethernet Overview ......................................................................................................... 293
33.2 Configuring Green Ethernet ...................................................................................................... 293
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Chapter 34
Link Layer Discovery Protocol (LLDP) .............................................................................................295
34.1 LLDP Overview ............................................................................................................................ 295
34.2 LLDP-MED Overview ................................................................................................................... 296
34.3 LLDP Screens ............................................................................................................................... 297
34.4 LLDP Local Status ....................................................................................................................... 298
34.4.1 LLDP Local Port Status Detail ..........................................................................................299
34.5 LLDP Remote Status ................................................................................................................... 302
34.5.1 LLDP Remote Port Status Detail ...................................................................................... 303
34.6 LLDP Configuration .................................................................................................................... 309
34.6.1 Basic TLV Setting ............................................................................................................... 310
34.6.2 Org-specific TLV Setting .................................................................................................. 311
34.7 LLDP-MED Configuration ........................................................................................................... 312
34.8 LLDP-MED Network Policy ......................................................................................................... 313
34.9 LLDP-MED Location ................................................................................................................... 314
Chapter 35
Anti-Arpscan ....................................................................................................................................317
35.1 Anti-Arpscan Overview .............................................................................................................. 317
35.1.1 What You Can Do ............................................................................................................. 317
35.1.2 What You Need to Know ................................................................................................. 317
35.2 Anti-Arpscan Status ................................................................................................................... 318
35.3 Anti-Arpscan Host Status ........................................................................................................... 318
35.4 Anti-Arpscan Trust Host ............................................................................................................. 319
35.5 Anti-Arpscan Configure ............................................................................................................ 320
Chapter 36
BPDU Guard......................................................................................................................................322
36.1 BPDU Guard Overview .............................................................................................................. 322
36.1.1 What You Can Do ............................................................................................................. 322
36.2 BPDU Guard Status ..................................................................................................................... 322
36.3 BPDU Guard Configuration ....................................................................................................... 323
Chapter 37
OAM..................................................................................................................................................325
37.1 OAM Overview .......................................................................................................................... 325
37.1.1 What You Can Do ............................................................................................................. 325
37.2 OAM Status .................................................................................................................................. 325
37.2.1 OAM Details ....................................................................................................................... 326
37.3 OAM Configuration .................................................................................................................... 329
37.4 OAM Remote Loopback ........................................................................................................... 331
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Chapter 38
ZULD...................................................................................................................................................332
38.1 ZULD Overview ........................................................................................................................... 332
38.1.1 What You Can Do ............................................................................................................. 332
38.1.2 What You Need to Know ................................................................................................. 332
38.2 ZULD Status .................................................................................................................................. 333
38.3 ZULD Configuration ................................................................................................................... 334
Chapter 39
Static Route.......................................................................................................................................336
39.1 Static Routing Overview .......................................................................................................... 336
39.1.1 What You Can Do ............................................................................................................. 336
39.2 Static Routing .............................................................................................................................. 337
39.3 IPv4 Static Route ........................................................................................................................ 337
Chapter 40
Differentiated Services ....................................................................................................................339
40.1 DiffServ Overview ...................................................................................................................... 339
40.1.1 DSCP and Per-Hop Behavior ........................................................................................... 339
40.1.2 DiffServ Network Example ...............................................................................................339
40.2 Activating DiffServ ..................................................................................................................... 340
40.3 DSCP Settings .............................................................................................................................. 341
40.3.1 Configuring DSCP Settings ...............................................................................................341
Chapter 41
DHCP .................................................................................................................................................343
41.1 DHCP Overview .......................................................................................................................... 343
41.1.1 What You Can Do ............................................................................................................. 343
41.1.2 What You Need to Know ................................................................................................. 343
41.2 DHCP Configuration ................................................................................................................... 344
41.3 DHCPv4 Status ........................................................................................................................... 344
41.4 DHCPv4 Relay ............................................................................................................................ 344
41.4.1 DHCPv4 Relay Agent Information ................................................................................... 345
41.4.2 DHCPv4 Option 82 Profile ................................................................................................. 346
41.4.3 Configuring DHCPv4 Global Relay ................................................................................. 347
41.4.4 DHCPv4 Global Relay Port Configure ........................................................................... 348
41.4.5 Global DHCP Relay Configuration Example .................................................................. 349
41.4.6 Configuring DHCP VLAN Settings ................................................................................. 349
41.4.7 DHCPv4 VLAN Port Configure ........................................................................................ 350
41.4.8 Example: DHCP Relay for Two VLANs ............................................................................. 351
41.5 DHCPv6 Relay ............................................................................................................................. 352
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Chapter 42
ARP Setup..........................................................................................................................................354
42.1 ARP Overview ............................................................................................................................ 354
42.1.1 What You Can Do ............................................................................................................. 354
42.1.2 What You Need to Know ................................................................................................. 354
42.2 ARP Setup .................................................................................................................................... 356
42.2.1 ARP Learning .................................................................................................................... 356
Chapter 43
Maintenance....................................................................................................................................358
43.1 Overview ..................................................................................................................................... 358
43.1.1 What You Can Do ............................................................................................................. 358
43.2 The Maintenance Screen ......................................................................................................... 358
43.3 Erase Running-Configuration ................................................................................................... 360
43.4 Save Configuration .................................................................................................................... 360
43.5 Reboot System ............................................................................................................................ 361
43.5.1 Factory Default ................................................................................................................. 361
43.5.2 Custom Default ................................................................................................................ 362
43.6 Firmware Upgrade ..................................................................................................................... 362
43.7 Restore Configuration .............................................................................................................. 364
43.8 Backup Configuration .............................................................................................................. 364
43.9 Auto Configuration ................................................................................................................... 365
43.10 Tech-Support ............................................................................................................................ 366
43.10.1 Tech-Support Download ................................................................................................ 367
43.11 Certificates ................................................................................................................................ 368
43.11.1 HTTPS Certificates ............................................................................................................ 369
43.12 Technical Reference ................................................................................................................ 369
43.12.1 FTP Command Line ......................................................................................................... 369
43.12.2 Filename Conventions ................................................................................................... 370
43.12.3 FTP Command Line Procedure ..................................................................................... 370
43.12.4 GUI-based FTP Clients ..................................................................................................... 371
43.12.5 FTP Restrictions ................................................................................................................ 371
Chapter 44
Access Control.................................................................................................................................372
44.1 Access Control Overview ......................................................................................................... 372
44.1.1 What You Can Do ............................................................................................................. 372
44.2 The Access Control Main Screen .............................................................................................. 372
44.3 Configuring SNMP .................................................................................................................... 373
44.3.1 Configuring SNMP Trap Group ..................................................................................... 374
44.3.2 Enabling/Disabling Sending of SNMP Traps on a Port ................................................... 375
44.3.3 Configuring SNMP User .................................................................................................. 376
44.4 Logins .......................................................................................................................................... 378
Table of Contents
GS2220 Series User’s Guide
17
44.5 Service Access Control ............................................................................................................ 380
44.6 Remote Management ........................................................................................................... 380
44.7 Technical Reference .................................................................................................................. 381
44.7.1 About SNMP ...................................................................................................................... 382
44.7.2 SSH Overview ..................................................................................................................... 385
44.7.3 Introduction to HTTPS ........................................................................................................ 386
44.7.4 Google Chrome Warning Messages .............................................................................. 390
Chapter 45
Diagnostic.........................................................................................................................................392
45.1 Overview ..................................................................................................................................... 392
45.2 Diagnostic .................................................................................................................................. 392
Chapter 46
System Log........................................................................................................................................394
46.1 Overview ..................................................................................................................................... 394
46.2 System Log .................................................................................................................................. 394
Chapter 47
Syslog Setup .....................................................................................................................................395
47.1 Syslog Overview .......................................................................................................................... 395
47.1.1 What You Can Do ............................................................................................................. 395
47.2 Syslog Setup ................................................................................................................................ 395
Chapter 48
Cluster Management.......................................................................................................................398
48.1 Cluster Management Overview ..............................................................................................398
48.1.1 What You Can Do ............................................................................................................. 399
48.2 Cluster Management Status ..................................................................................................... 399
48.3 Clustering Management Configuration ................................................................................ 400
48.4 Technical Reference .................................................................................................................. 401
48.4.1 Cluster Member Switch Management .......................................................................... 402
Chapter 49
MAC Table........................................................................................................................................404
49.1 MAC Table Overview ................................................................................................................ 404
49.1.1 What You Can Do ............................................................................................................. 404
49.1.2 What You Need to Know ................................................................................................. 404
49.2 Viewing the MAC Table ............................................................................................................ 405
Chapter 50
ARP Table..........................................................................................................................................407
50.1 ARP Table Overview .................................................................................................................. 407
Table of Contents
GS2220 Series User’s Guide
18
50.1.1 What You Can Do ............................................................................................................. 407
50.1.2 What You Need to Know ................................................................................................. 407
50.2 Viewing the ARP Table ............................................................................................................... 407
Chapter 51
Path MTU Table.................................................................................................................................409
51.1 Path MTU Overview ................................................................................................................... 409
51.2 Viewing the Path MTU Table ..................................................................................................... 409
Chapter 52
Configure Clone...............................................................................................................................410
52.1 Overview ..................................................................................................................................... 410
52.2 Configure Clone ........................................................................................................................ 410
Chapter 53
IPv6 Neighbor Table.........................................................................................................................413
53.1 IPv6 Neighbor Table Overview ................................................................................................. 413
53.2 Viewing the IPv6 Neighbor Table ............................................................................................. 413
Chapter 54
Port Status .........................................................................................................................................415
54.1 Overview ..................................................................................................................................... 415
54.2 Port Status ................................................................................................................................... 415
54.2.1 Port Details ...................................................................................................................... 416
54.2.2 DDMI ................................................................................................................................... 419
54.2.3 DDMI Details ...................................................................................................................... 419
54.2.4 Port Utilization ................................................................................................................. 421
Part III: Troubleshooting and Appendices..................................................422
Chapter 55
Troubleshooting................................................................................................................................423
55.1 Power, Hardware Connections, and LEDs ............................................................................... 423
55.2 Switch Access and Login ........................................................................................................... 424
55.3 Switch Configuration .................................................................................................................. 425
Appendix A Customer Support ..................................................................................................... 427
Appendix B Common Services...................................................................................................... 433
Appendix C IPv6.............................................................................................................................. 436
Appendix D Legal Information ...................................................................................................... 444
20
PART I
User’s Guide
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