ZyXEL Communications VES1724-56

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Chapter 26 IP Source Guard

VES1724-56 User’s Guide

255

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 151 DHCP Snooping

Main Page

Contents Overview3
- Table of Contents3
Table of Contents5
User's Guide17
PART I User's Guide17
Chapter 1 Getting to Know Your Switch19
- Introduction19
- Applications19
  - MTU Application19
  - Curbside Application20
- Ways to Manage the Switch21
- Good Habits for Managing the Switch21
Chapter 2 Hardware Installation and Connection23
- Installation Scenarios23
- Desktop Installation Procedure23
- Mounting the Switch on a Rack24
- Connecting the Frame Ground25
- Hardware Overview26
Chapter 3 Hardware Overview26
- Front Panel26
- Leds31
Chapter 433
The Web Configurator33
- Introduction33
- System Login33
- The Port Status Screen34
  - Change Your Password39
- Saving Your Configuration39
- Switch Lockout39
- Resetting the Switch40
  - Reload the Configuration File40
- Logging out of the Web Configurator41
- Help41
Chapter 5 Initial Setup Example42
- Overview42
- Configuring Switch Management IP Address42
  - Creating a VLAN43
  - Setting Port VID44
- Tutorials46
Chapter 6 Tutorials46
- How to Use DHCP Relay Per VLAN on the Switch46
Technical Reference51
Part II: Technical Reference51
Chapter 7 System Status and Port Statistics53
- Overview53
- Port Status Summary53
- Basic Setting70
Chapter 8 Basic Setting70
- Overview70
- System Information70
- General Setup72
- Introduction to Vlans74
- Switch Setup Screen75
- Ipv6 Introduction76
- IP Setup79
  - Management IP Addresses79
- External Alarm Switch81
- Port Setup82
- Rate Limit Profile Setup84
  - Per Queue Ratelimit Profile85
- Hardware Alarm Profile87
- CPE Port Status87
- Ipv6 Setup88
- SFP Threshold Setup93
- VDSL Setup97
Chapter 9 VDSL Setup97
- VDSL Overview97
  - VDSL Profile Example101
  - Primary and Fallback VDSL Templates Example102
- VDSL Line Setup103
- VDSL Template Setup104
- VDSL Alarm Template Setup121
  - VDSL Line Alarm Profile Setup122
  - VDSL Channel Alarm Profile Setup124
- VDSL Bonding Setup125
Chapter 10 VLAN129
- Introduction to IEEE 802.1Q Tagged Vlans129
  - Forwarding Tagged and Untagged Frames129
  - VLAN Tagging Priority130
- Automatic VLAN Registration130
  - Garp130
  - Gvrp130
- Port VLAN Trunking131
- Select the VLAN Type131
- Static VLAN132
- Subnet Based Vlans138
- Configuring Subnet Based VLAN139
- Protocol Based Vlans141
- Configuring Protocol Based VLAN142
- Create an IP-Based VLAN Example143
- Configuring MAC Based VLAN144
- Port Based VLAN Setup146
  - Configure a Port Based VLAN147
- VLAN Counter150
Chapter 11 Static MAC Forward Setup152
- Overview152
- Configuring Static MAC Forwarding152
Chapter 12 Static Multicast Forward Setup154
- Static Multicast Forwarding Overview154
- Configuring Static Multicast Forwarding155
Chapter 13 Filtering158
- Configure a Filtering Rule158
Chapter 14 Spanning Tree Protocol160
- STP/RSTP Overview160
- Spanning Tree Protocol Status Screen165
- Spanning Tree Configuration165
- Configure Rapid Spanning Tree Protocol166
- Rapid Spanning Tree Protocol Status167
- Configure Multiple Rapid Spanning Tree Protocol168
- Multiple Rapid Spanning Tree Protocol Status170
- Configure Multiple Spanning Tree Protocol171
- Multiple Spanning Tree Protocol Status173
Chapter 15 Broadcast Storm Control176
- Broadcast Storm Control Setup176
- Mirroring178
Chapter 16 Mirroring178
- Port Mirroring Setup178
- Link Aggregation180
Chapter 17 Link Aggregation180
- Link Aggregation Overview180
- Dynamic Link Aggregation180
  - Link Aggregation ID181
- Link Aggregation Status181
- Link Aggregation Setting182
- Link Aggregation Control Protocol183
- Static Trunking Example184
Chapter 18 Port Authentication186
- Port Authentication Overview186
  - IEEE 802.1X Authentication186
  - MAC Authentication187
- Port Authentication Configuration188
  - Activate IEEE 802.1X Security188
  - Activate MAC Authentication189
Chapter 19 MAC Limit191
- MAC Limit Overview191
  - MAC Limit: VLAN Security192
Chapter 20 Classifier194
- About the Classifier and Qos194
- Configuring the Classifier194
- Viewing and Editing Classifier Configuration197
- Classifier Example199
Chapter 21 Policy Rule200
- Policy Rules Overview200
  - Diffserv200
  - DSCP and Per-Hop Behavior200
- Configuring Policy Rules200
- Policy Example204
Chapter 22 Queuing Method205
- Queuing Method Overview205
- Configuring Queuing206
Chapter 23 VLAN Stacking208
- VLAN Stacking Overview208
  - VLAN Stacking Example208
- VLAN Stacking Port Roles209
- VLAN Tag Format210
  - Frame Format210
- Configuring VLAN Stacking211
Chapter 24 Multicast217
- Multicast Overview217
- Multicast Status219
- Multicast Setting224
- IGMP Snooping VLAN226
- IGMP Filtering Profile227
- MVR Overview229
- General MVR Configuration230
- MVR Group Configuration232
  - MVR Configuration Example234
Chapter 25 Authentication and Accounting236
- Authentication, Authorization and Accounting236
  - Local User Accounts236
  - RADIUS and TACACS237
- Authentication and Accounting Screens237
- Supported RADIUS Attributes245
  - Attributes Used for Authentication245
  - Attributes Used for Accounting246
Chapter 26 IP Source Guard249
- IP Source Guard Overview249
  - DHCP Snooping Overview249
  - ARP Inspection Overview251
- IP Source Guard253
- IP Source Guard Static Binding253
- DHCP Snooping255
- DHCP Snooping Configure257
  - DHCP Snooping Port Configure259
  - DHCP Snooping VLAN Configure260
- ARP Inspection Status261
  - ARP Inspection VLAN Status263
  - ARP Inspection Log Status264
- ARP Inspection Configure265
  - ARP Inspection Port Configure266
  - ARP Inspection VLAN Configure268
Chapter 27 Loop Guard270
- Loop Guard Overview270
- Loop Guard Setup272
- Cfm274
- CFM Overview274
  - How CFM Works274
Chapter 28 CFM274
- Cfm Ma275
- Cfm MD277
Chapter 29 VLAN Mapping278
- VLAN Mapping Overview278
  - VLAN Mapping Example278
- Enabling VLAN Mapping279
- Configuring VLAN Mapping280
Chapter 30 Layer 2 Protocol Tunneling282
- Layer 2 Protocol Tunneling Overview282
  - Layer 2 Protocol Tunneling Mode283
- Configuring Layer 2 Protocol Tunneling284
Chapter 31 Dos Prevention286
- Dos Prevention Overview286
- Configuring Dos Prevention286
Chapter 32 Pppoe IA288
- Pppoe Intermediate Agent Overview288
- The Pppoe IA Status Screen290
- Pppoe IA Port Tel Configuration290
- Pppoe IA Global Configuration291
- Pppoe IA VLAN Configuration293
- ADSL Fallback295
Chapter 33 Static Route301
- Static Routing Overview301
- Configuring Static Routing302
Chapter 34 Differentiated Services304
- Diffserv Overview304
  - DSCP and Per-Hop Behavior304
  - Diffserv Network Example304
- Two Rate Three Color Marker Traffic Policing305
  - TRTCM-Color-Blind Mode306
  - TRTCM-Color-Aware Mode306
- Activating Diffserv306
  - Configuring 2-Rate 3 Color Marker Settings307
- DSCP-To-IEEE 802.1P Priority Settings309
  - Configuring DSCP Settings309
Chapter 35 DHCP311
- DHCP Overview311
  - DHCP Modes311
  - DHCP Configuration Options311
- DHCP Status311
- DHCP Port Tel312
- DHCP Relay313
- Configuring DHCP VLAN Settings318
  - Example: DHCP Relay for Two Vlans320
- Dhcpv6 LDRA321
  - Dhcpv6 Counter324
  - Snooping Configure324
Chapter 36 Maintenance327
- The Maintenance Screen327
- Firmware Upgrade328
  - Dual Firmware Image328
- Restore a Configuration File329
- Backup a Configuration File330
- Load Factory Default330
- Save Configuration331
- Reboot System331
- FTP Command Line331
Chapter 37 Access Control334
- Access Control Overview334
- The Access Control Main Screen334
- About SNMP334
- SSH Overview346
- How SSH Works346
- SSH Implementation on the Switch347
  - Requirements for Using SSH347
- Introduction to HTTPS347
- HTTPS Example348
- Service Port Access Control353
- Remote Management354
- Diagnostic356
Chapter 38 Diagnostic356
- Syslog358
Chapter 39 Syslog358
- Syslog Overview358
- Syslog Setup359
- Syslog Server Setup360
Chapter 40 Loop Diagnostic361
- Dual-End Loop Test361
- Single-End Loop Test (SELT)363
- MAC Table365
Chapter 41 MAC Table365
- MAC Table Overview365
- Viewing the MAC Table366
Chapter 42 ARP Table367
- ARP Table Overview367
  - How ARP Works367
- Viewing the ARP Table367
Chapter 43369
Hardware Information369
- CFM Action370
Chapter 44 CFM Action370
- Ipv6 Cache372
Chapter 45 Ipv6 Cache372
- Overview372
- Neighbor Cache373
- Router374
- Path MTU375
- Troubleshooting377
Chapter 46 Troubleshooting377
- Power, Hardware Connections, and Leds377
- Switch Access and Login378
- Switch Configuration380
Chapter 47 Product Specifications381
Appendix A Common Services397
Appendix B Legal Information401
Index403

ZyXEL Communications VES1724-56 - DHCP Snooping

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