ZyXEL Communications MGS-3712F

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Chapter 26 IP Source Guard

MGS-3712/MGS-3712F User’s Guide

243

26.4 DHCP Snooping

Use this screen to look at various statistics about the DHCP snooping database. To

open this screen, click Advanced Application > IP Source Guard > DHCP

Snooping.

Figure 126 DHCP Snooping

Main Page

About this User's Guide3
Document Conventions5
Safety Warnings7
Contents Overview9
- Table of Contents9
Table of Contents11
Introduction and Hardware21
Part I: Introduction and Hardware21
Chapter 1 Getting to Know Your Switch23
- Introduction23
- Ways to Manage the Switch26
- Good Habits for Managing the Switch26
- Hardware Installation and Connection29
- Installation Scenarios29
- Desktop Installation Procedure29
Chapter 2 Hardware Installation and Connection30
- Mounting the Switch on a Rack30
- Hardware Overview33
Chapter 3 Hardware Overview33
- Front Panel33
- Rear Panel42
- Leds43
- Configuring the Switch44
- Tutorials45
Chapter 4 Tutorials45
- How to Use DHCP Snooping on the Switch45
- How to Use DHCP Relay on the Switch49
Basic Configuration55
Part II: Basic Configuration55
Chapter 5 The Web Configurator57
- Introduction57
- System Login57
- The Status Screen58
  - Change Your Password62
- Saving Your Configuration62
- Switch Lockout62
- Resetting the Switch63
  - Reload the Configuration File63
- Logging out of the Web Configurator64
- Help65
Chapter 6 Initial Setup Example67
- Overview67
  - Creating a VLAN67
  - Setting Port VID68
- Configuring Switch Management IP Address70
- System Status and Port Statistics73
- Overview73
- Port Status Summary73
Chapter 7 System Status and Port Statistics74
- Status: Port Details75
- Basic Setting79
Chapter 8 Basic Setting79
- Overview79
- System Information80
- General Setup82
- Introduction to Vlans84
- Switch Setup Screen85
- IP Setup87
  - Management IP Addresses87
- Port Setup91
Part III: Advanced93
- Vlan95
Advanced93
Chapter 9 VLAN95
- Introduction to IEEE 802.1Q Tagged Vlans95
  - Forwarding Tagged and Untagged Frames95
- Automatic VLAN Registration96
  - Garp96
  - Gvrp96
- Port VLAN Trunking97
- Select the VLAN Type98
- Static VLAN98
- Subnet Based Vlans104
- Configuring Subnet Based VLAN105
- Protocol Based Vlans107
- Configuring Protocol Based VLAN108
- Create an IP-Based VLAN Example110
- Port-Based VLAN Setup111
  - Configure a Port-Based VLAN112
Chapter 10 Static MAC Forward Setup115
- Overview115
- Configuring Static MAC Forwarding115
Chapter 11 Static Multicast Forward Setup119
- Static Multicast Forwarding Overview119
- Configuring Static Multicast Forwarding120
- Filtering123
Chapter 12 Filtering123
- Configure a Filtering Rule123
Chapter 13 Spanning Tree Protocol125
- STP/RSTP Overview125
- Spanning Tree Protocol Status Screen131
- Spanning Tree Configuration132
- Configure Rapid Spanning Tree Protocol133
- Rapid Spanning Tree Protocol Status135
- Configure Multiple Rapid Spanning Tree Protocol137
- Multiple Rapid Spanning Tree Protocol Status139
- Configure Multiple Spanning Tree Protocol141
- Multiple Spanning Tree Protocol Status144
- Bandwidth Control147
Chapter 14 Bandwidth Control147
- Bandwidth Control Overview147
  - CIR and PIR147
- Bandwidth Control Setup148
Chapter 15 Broadcast Storm Control151
- Broadcast Storm Control Setup151
- Mirroring153
Chapter 16 Mirroring153
- Port Mirroring Setup153
- Link Aggregation155
Chapter 17 Link Aggregation155
- Link Aggregation Overview155
- Dynamic Link Aggregation155
  - Link Aggregation ID156
- Link Aggregation Status157
- Link Aggregation Setting159
- Link Aggregation Control Protocol161
- Static Trunking Example162
- Port Authentication165
Chapter 18 Port Authentication165
- Port Authentication Overview165
  - IEEE 802.1X Authentication165
  - MAC Authentication166
- Port Authentication Configuration167
  - Activate IEEE 802.1X Security168
  - Activate MAC Authentication169
- Port Security171
Chapter 19 Port Security171
- About Port Security171
- Port Security Setup172
- VLAN MAC Address Limit174
- Classifier177
Chapter 20 Classifier177
- About the Classifier and Qos177
- Configuring the Classifier177
- Viewing and Editing Classifier Configuration180
- Classifier Example182
- Policy Rule185
Chapter 21 Policy Rule185
- Policy Rules Overview185
  - Diffserv185
  - DSCP and Per-Hop Behavior185
- Configuring Policy Rules186
- Viewing and Editing Policy Configuration189
- Policy Example191
- Queuing Method193
Chapter 22 Queuing Method193
- Queuing Method Overview193
- Configuring Queuing195
- VLAN Stacking197
Chapter 23 VLAN Stacking197
- VLAN Stacking Overview197
  - VLAN Stacking Example197
- VLAN Stacking Port Roles198
- VLAN Tag Format199
  - Frame Format199
- Configuring VLAN Stacking200
  - Port-Based Q-In-Q201
  - Selective Q-In-Q202
- Multicast205
Chapter 24 Multicast205
- Multicast Overview205
- Multicast Status206
- Multicast Setting207
- IGMP Snooping VLAN210
- IGMP Filtering Profile212
- MVR Overview213
- General MVR Configuration215
- MVR Group Configuration217
  - MVR Configuration Example219
- Aaa221
Chapter 25 AAA221
- Authentication, Authorization and Accounting (AAA)221
  - Local User Accounts222
  - RADIUS and TACACS222
- AAA Screens222
- Supported RADIUS Attributes231
  - Attributes Used for Authentication232
  - Attributes Used for Accounting233
- IP Source Guard235
Chapter 26 IP Source Guard235
- IP Source Guard Overview235
  - DHCP Snooping Overview236
  - ARP Inspection Overview238
- IP Source Guard239
- IP Source Guard Static Binding240
- DHCP Snooping243
- DHCP Snooping Configure246
  - DHCP Snooping Port Configure248
  - DHCP Snooping VLAN Configure249
- ARP Inspection Status251
  - ARP Inspection VLAN Status252
  - ARP Inspection Log Status253
- ARP Inspection Configure254
  - ARP Inspection Port Configure256
  - ARP Inspection VLAN Configure258
- Loop Guard261
Chapter 27 Loop Guard261
- Loop Guard Overview261
- Loop Guard Setup263
- VLAN Mapping265
Chapter 28 VLAN Mapping265
- VLAN Mapping Overview265
  - VLAN Mapping Example265
- Enabling VLAN Mapping266
- Configuring VLAN Mapping267
Chapter 29 Layer 2 Protocol Tunneling269
- Layer 2 Protocol Tunneling Overview269
  - Layer 2 Protocol Tunneling Mode270
- Configuring Layer 2 Protocol Tunneling271
IP Application273
- Static Route275
Chapter 30 Static Route275
- Static Routing Overview275
- Configuring Static Routing276
Chapter 31 Differentiated Services279
- Diffserv Overview279
  - DSCP and Per-Hop Behavior279
  - Diffserv Network Example280
- Two Rate Three Color Marker Traffic Policing280
  - TRTCM-Color-Blind Mode281
  - TRTCM-Color-Aware Mode282
- Activating Diffserv282
  - Configuring 2-Rate 3 Color Marker Settings284
- DSCP-To-IEEE 802.1P Priority Settings285
  - Configuring DSCP Settings286
- Dhcp287
Chapter 32 DHCP287
- DHCP Overview287
  - DHCP Modes287
  - DHCP Configuration Options287
- DHCP Status288
- DHCP Relay288
- Configuring DHCP VLAN Settings291
  - Example: DHCP Relay for Two Vlans292
Management295
Part V: Management295
- Maintenance297
Chapter 33 Maintenance297
- The Maintenance Screen297
- Load Factory Default298
- Save Configuration298
- Reboot System299
- Firmware Upgrade299
- Restore a Configuration File300
- Backup a Configuration File301
- FTP Command Line301
- Access Control305
Chapter 34 Access Control305
- Access Control Overview305
- The Access Control Main Screen305
- About SNMP306
- SSH Overview320
- How SSH Works321
- SSH Implementation on the Switch322
  - Requirements for Using SSH322
- Introduction to HTTPS322
- HTTPS Example323
- Service Port Access Control326
- Remote Management327
- Diagnostic329
Chapter 35 Diagnostic329
- Syslog331
Chapter 36 Syslog331
- Syslog Overview331
- Syslog Setup332
- Syslog Server Setup333
- Cluster Management335
Chapter 37 Cluster Management335
- Cluster Management Status Overview335
- Cluster Management Status336
  - Cluster Member Switch Management337
- Clustering Management Configuration340
- MAC Table343
Chapter 38 MAC Table343
- MAC Table Overview343
- Viewing the MAC Table344
- ARP Table347
Chapter 39 ARP Table347
- ARP Table Overview347
  - How ARP Works347
- Viewing the ARP Table348
- Configure Clone349
Chapter 40 Configure Clone349
Troubleshooting & Product Specifications351
Part VI: Troubleshooting & Product Specifications351
Chapter 41 Troubleshooting353
- Power, Hardware Connections, and Leds353
- Switch Access and Login354
- Switch Configuration356
Chapter 42357
- Product Specifications357
Appendices and Index365
Part VII: Appendices and Index365
Appendix A Common Services367
Appendix B Legal Information371
Index375

ZyXEL Communications MGS-3712F - DHCP Snooping

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