ZyXEL Communications XGS-4528F - DHCP Snooping; Figure 102 DHCP Snooping

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Chapter 24 IP Source Guard

XGS-4528F User’s Guide

207

24.4 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 102 DHCP Snooping

Main Page

Default Chapter3
- About this User's Guide3
- Document Conventions4
- Safety Warnings6
- Table of Contents9
- Contents Overview9
- Table of Contents11
- List of Figures23
- List of Tables29
- Introduction33
- PART I Introduction33
Chapter 1 Getting to Know Your Switch35
- Introduction35
- Ways to Manage the Switch38
- Good Habits for Managing the Switch38
- Figure 4 Shared Server Using VLAN Example38
Chapter 2 Hardware Installation and Connection39
- Freestanding Installation39
- Figure 5 Attaching Rubber Feet39
- Mounting the Switch on a Rack40
- Hardware Overview43
Chapter 3 Hardware Overview43
- Front Panel Connections43
- Rear Panel46
- Leds47
- Table 3 Leds47
- Basic Configuration49
- Part II: Basic Configuration49
Chapter 4 The Web Configurator51
- Introduction51
- System Login51
- The Status Screen52
- Saving Your Configuration58
- Switch Lockout58
- Figure 17 Change Administrator Login Password58
- Resetting the Switch59
  - Reload the Configuration File59
- Logging out of the Web Configurator60
- Help60
- Figure 18 Resetting the Switch: Via the Console Port60
- Figure 19 Web Configurator: Logout Screen60
Chapter 5 Initial Setup Example61
- Overview61
Chapter 6 System Status and Port Statistics67
- Overview67
- Port Status Summary67
- Basic Setting73
Chapter 7 Basic Setting73
- Overview73
- System Information73
- Figure 25 Basic Setting > System Info74
- Table 9 Basic Setting > System Info74
- General Setup75
- Figure 26 Basic Setting > General Setup75
- Table 10 Basic Setting > General Setup75
- Introduction to Vlans77
- Switch Setup Screen77
- Figure 27 Basic Setting > Switch Setup78
- Table 11 Basic Setting > Switch Setup78
- IP Setup79
- Port Setup81
- Figure 29 Basic Setting > Port Setup82
- Table 13 Basic Setting > Port Setup82
- Advanced Setup85
- Part III: Advanced Setup85
  - Vlan87
Chapter 8 VLAN87
- Introduction to IEEE 802.1Q Tagged Vlans87
  - Forwarding Tagged and Untagged Frames87
- Automatic VLAN Registration88
- Port VLAN Trunking89
- Select the VLAN Type89
- Static VLAN89
- Subnet Based Vlans94
- Figure 36 Subnet Based VLAN Application Example94
- Configuring Subnet Based VLAN95
- Figure 37 Advanced Application > VLAN > VLAN Port Setting > Subnet Based VLAN95
- Table 19 Advanced Application > VLAN > VLAN Port Setting > Subnet Based VLAN Setup95
- Protocol Based Vlans96
- Configuring Protocol Based VLAN97
- Figure 38 Protocol Based VLAN Application Example97
- Figure 39 Advanced Application > VLAN > VLAN Port Setting > Protocol Based VLAN97
- Create an IP-Based VLAN Example98
- Table 20 Advanced Application > VLAN > VLAN Port Setting > Protocol Based VLAN Setup98
- Port-Based VLAN Setup99
Chapter 9 Static MAC Forward Setup103
- Overview103
- Configuring Static MAC Forwarding103
- Figure 43 Advanced Application > Static MAC Forwarding103
- Table 22 Advanced Application > Static MAC Forwarding104
- Filtering105
Chapter 10 Filtering105
- Configure a Filtering Rule105
- Figure 44 Advanced Application > Filtering105
- Table 23 Advanced Application > Filtering105
Chapter 11107
- Spanning Tree Protocol107
- STP/RSTP Overview107
  - STP Terminology107
  - How STP Works108
  - STP Port States108
  - Table 24 STP Path Costs108
  - Table 25 STP Port States108
  - Multiple RSTP109
  - Multiple STP109
  - Figure 45 MRSTP Network Example109
  - Figure 46 STP/RSTP Network Example110
  - Figure 47 MSTP Network Example111
- Spanning Tree Protocol Status Screen112
- Figure 48 Mstis in Different Regions112
- Figure 49 MSTP and Legacy RSTP Network Example112
- Spanning Tree Configuration113
- Figure 50 Advanced Application > Spanning Tree Protocol113
- Figure 51 Advanced Application > Spanning Tree Protocol > Configuration113
- Table 26 Advanced Application > Spanning Tree Protocol > Configuration113
- Configure Rapid Spanning Tree Protocol114
- Figure 52 Advanced Application > Spanning Tree Protocol > RSTP114
- Table 27 Advanced Application > Spanning Tree Protocol > RSTP114
- Rapid Spanning Tree Protocol Status116
- Figure 53 Advanced Application > Spanning Tree Protocol > Status: RSTP116
- Table 28 Advanced Application > Spanning Tree Protocol > Status: RSTP116
- Configure Multiple Rapid Spanning Tree Protocol117
- Figure 54 Advanced Application > Spanning Tree Protocol > MRSTP117
- Table 29 Advanced Application > Spanning Tree Protocol > MRSTP117
- Multiple Rapid Spanning Tree Protocol Status119
- Figure 55 Advanced Application > Spanning Tree Protocol > Status: MRSTP119
- Table 30 Advanced Application > Spanning Tree Protocol > Status: MRSTP119
- Configure Multiple Spanning Tree Protocol120
- Figure 56 Advanced Application > Spanning Tree Protocol > MSTP121
- Table 31 Advanced Application > Spanning Tree Protocol > MSTP122
- Multiple Spanning Tree Protocol Status123
- Figure 57 Advanced Application > Spanning Tree Protocol > Status: MSTP124
- Table 32 Advanced Application > Spanning Tree Protocol > Status: MSTP124
- Bandwidth Control127
Chapter 12 Bandwidth Control127
- Bandwidth Control Overview127
  - CIR and PIR127
- Bandwidth Control Setup127
- Figure 58 Advanced Application > Bandwidth Control128
- Table 33 Advanced Application > Bandwidth Control128
Chapter 13 Broadcast Storm Control129
- Broadcast Storm Control Setup129
- Figure 59 Advanced Application > Broadcast Storm Control129
- Table 34 Advanced Application > Broadcast Storm Control130
- Mirroring131
Chapter 14 Mirroring131
- Port Mirroring Setup131
- Figure 60 Advanced Application > Mirroring131
- Table 35 Advanced Application > Mirroring132
- Link Aggregation133
Chapter 15 Link Aggregation133
- Link Aggregation Overview133
- Dynamic Link Aggregation133
  - Link Aggregation ID134
- Link Aggregation Status134
- Figure 61 Advanced Application > Link Aggregation Status134
- Table 36 Link Aggregation ID: Local Switch134
- Table 37 Link Aggregation ID: Peer Switch134
- Table 38 Advanced Application > Link Aggregation Status134
- Link Aggregation Setting135
- Figure 62 Advanced Application > Link Aggregation > Link Aggregation Setting135
- Link Aggregation Control Protocol136
- Table 39 Advanced Application > Link Aggregation > Link Aggregation Setting136
- Figure 63 Advanced Application > Link Aggregation > Link Aggregation Setting > LACP137
- Table 40 Advanced Application > Link Aggregation > Link Aggregation Setting > LACP137
- Static Trunking Example138
- Figure 64 Trunking Example - Physical Connections138
- Figure 65 Trunking Example - Configuration Screen139
- Port Authentication141
Chapter 16 Port Authentication141
- Port Authentication Overview141
- Port Authentication Configuration143
- Port Security147
Chapter 17 Port Security147
- About Port Security147
- Port Security Setup147
- Figure 71 Advanced Application > Port Security148
- Table 43 Advanced Application > Port Security148
- Classifier151
Chapter 18 Classifier151
- About the Classifier and Qos151
- Configuring the Classifier151
- Figure 72 Advanced Application > Classifier152
- Table 44 Advanced Application > Classifier152
- Viewing and Editing Classifier Configuration154
- Figure 73 Advanced Application > Classifier: Summary Table154
- Table 45 Classifier: Summary Table154
- Table 46 Common Ethernet Types and Protocol Number154
- Classifier Example155
- Figure 74 Classifier: Example155
- Table 47 Common IP Ports155
- Policy Rule157
Chapter 19 Policy Rule157
- Policy Rules Overview157
  - Diffserv157
  - DSCP and Per-Hop Behavior157
- Configuring Policy Rules158
- Figure 75 Advanced Application > Policy Rule158
- Table 48 Advanced Application > Policy Rule159
- Viewing and Editing Policy Configuration160
- Policy Example160
- Figure 76 Advanced Application > Policy Rule: Summary Table160
- Table 49 Policy: Summary Table160
- Figure 77 Policy Example161
- Queuing Method163
Chapter 20 Queuing Method163
- Queuing Method Overview163
- Configuring Queuing164
- Figure 78 Advanced Application > Queuing Method164
- Table 50 Advanced Application > Queuing Method165
- VLAN Stacking167
Chapter 21 VLAN Stacking167
- VLAN Stacking Overview167
  - VLAN Stacking Example167
- VLAN Stacking Port Roles168
- Figure 79 VLAN Stacking Example168
- VLAN Tag Format169
- Configuring VLAN Stacking170
- Figure 80 Advanced Application > VLAN Stacking170
- Table 54 Advanced Application > VLAN Stacking170
- Multicast173
Chapter 22 Multicast173
- Multicast Overview173
- Multicast Status174
- Multicast Setting174
- Figure 81 Advanced Application > Multicast174
- Table 55 Multicast Status174
- Figure 82 Advanced Application > Multicast > Multicast Setting175
- Table 56 Advanced Application > Multicast > Multicast Setting175
- IGMP Snooping VLAN177
- Figure 83 Advanced Application > Multicast > Multicast Setting > IGMP Snooping VLAN177
- Table 57 Advanced Application > Multicast > Multicast Setting > IGMP Snooping VLAN177
- IGMP Filtering Profile178
- Figure 84 Advanced Application > Multicast > Multicast Setting > IGMP Filtering Profile178
- MVR Overview179
- General MVR Configuration181
- Figure 86 MVR Multicast Television Example181
- Figure 87 Advanced Application > Multicast > Multicast Setting > MVR182
- Table 59 Advanced Application > Multicast > Multicast Setting > MVR182
- MVR Group Configuration183
Chapter 23 Authentication & Accounting187
- Authentication, Authorization and Accounting187
- Authentication and Accounting Screens188
- Supported RADIUS Attributes196
- IP Source Guard201
Chapter 24 IP Source Guard201
- IP Source Guard Overview201
- IP Source Guard205
- IP Source Guard Static Binding205
- Figure 100 IP Source Guard205
- Table 70 IP Source Guard205
- Figure 101 IP Source Guard Static Binding206
- Table 71 IP Source Guard Static Binding206
- DHCP Snooping207
- Figure 102 DHCP Snooping207
- Table 72 DHCP Snooping208
- DHCP Snooping Configure210
- ARP Inspection Status214
- ARP Inspection Configure217
- Loop Guard221
Chapter 25 Loop Guard221
- Loop Guard Overview221
- Figure 112 Loop Guard Vs STP221
- Figure 113 Switch in Loop State222
- Figure 114 Loop Guard - Probe Packet222
- Figure 115 Loop Guard - Network Loop222
- Loop Guard Setup223
- Figure 116 Advanced Application > Loop Guard223
- Table 82 Advanced Application > Loop Guard223
- IP Application225
- Part IV: IP Application225
  - Static Route227
Chapter 26 Static Route227
- Configuring Static Routing227
- Figure 117 IP Application > Static Routing227
- Table 83 IP Application > Static Routing227
- Rip229
Chapter 27 RIP229
- RIP Overview229
- Configuring RIP229
- Figure 118 IP Application > RIP230
- Table 84 IP Application > RIP230
- Ospf231
Chapter 28 OSPF231
- OSPF Overview231
- OSPF Status233
- Figure 120 OSPF Router Election Example233
- Figure 121 IP Application > OSPF Status234
- Table 87 IP Application > OSPF Status234
- Table 88 OSPF Status: Common Output Fields234
- OSPF Configuration235
- Figure 122 IP Application > OSPF Configuration: Activating and General Settings236
- Table 89 IP Application > OSPF Configuration: Activating and General Settings236
- Configure OSPF Areas237
- Configuring OSPF Interfaces238
- Figure 124 IP Application > OSPF Configuration: Summary Table238
- Table 91 IP Application > OSPF Configuration: Summary Table238
- Figure 125 IP Application > OSPF Configuration > OSPF Interface239
- Table 92 IP Application > OSPF Configuration > OSPF Interface239
- OSPF Virtual-Links240
- Figure 126 IP Application > OSPF Configuration > OSPF Virtual Link240
- Table 93 IP Application > OSPF Configuration > OSPF Virtual Link241
- Igmp243
Chapter 29 IGMP243
- IGMP Overview243
- Port-Based IGMP245
- Configuring IGMP245
- Figure 129 IGMP Version 2 Example245
- Figure 130 IGMP Version 3 Example245
- Figure 131 IP Application > IGMP246
- Table 94 IP Application > IGMP246
- Dvmrp247
Chapter 30 DVMRP247
- DVMRP Overview247
- How DVMRP Works247
  - DVMRP Terminology248
- Configuring DVMRP248
- Default DVMRP Timer Values250
- Figure 136 DVMRP: Duplicate VID Error Message250
- Table 96 DVMRP: Default Timer Values250
Chapter 31 Differentiated Services251
- Diffserv Overview251
- Two Rate Three Color Marker Traffic Policing252
- Activating Diffserv254
- DSCP-To-IEEE 802.1P Priority Settings256
- Dhcp259
Chapter 32 DHCP259
- DHCP Overview259
  - DHCP Modes259
  - DHCP Configuration Options259
- DHCP Status260
- DHCP Server Status Detail260
- Figure 144 IP Application > DHCP Status260
- Figure 145 IP Application > DHCP > DHCP Server Status Detail260
- Table 101 IP Application > DHCP Status260
- DHCP Relay261
- Configuring DHCP VLAN Settings264
- Vrrp267
Chapter 33 VRRP267
- VRRP Overview267
- Figure 152 VRRP: Example 1267
- VRRP Status268
- VRRP Configuration268
- VRRP Configuration Examples272
- Management277
- Part V: Management277
  - Maintenance279
Chapter 34 Maintenance279
- The Maintenance Screen279
- Figure 167 Management > Maintenance279
- Table 110 Management > Maintenance279
- Load Factory Default280
- Save Configuration280
- Figure 168 Load Factory Default: Start280
- Reboot System281
- Firmware Upgrade281
- Figure 169 Reboot System: Confirmation281
- Figure 170 Management > Maintenance > Firmware Upgrade281
- Restore a Configuration File282
- Backup a Configuration File282
- Figure 171 Management > Maintenance > Restore Configuration282
- Figure 172 Management > Maintenance > Backup Configuration282
- FTP Command Line283
- Access Control285
Chapter 35 Access Control285
- Access Control Overview285
- The Access Control Main Screen285
- Figure 173 Management > Access Control285
- Table 113 Access Control Overview285
- About SNMP286
  - Figure 174 SNMP Management Model286
  - Table 114 SNMP Commands286
  - SNMP Traps287
  - SNMP V3 and Security287
  - Supported Mibs287
  - Table 115 SNMP System Traps287
  - Table 116 SNMP Interfacetraps288
  - Table 117 AAA Traps289
  - Table 118 SNMP IP Traps289
  - Configuring SNMP290
  - Table 119 SNMP Switch Traps290
  - Figure 175 Management > Access Control > SNMP291
  - Table 120 Management > Access Control > SNMP291
  - Configuring SNMP Trap Group292
  - Figure 176 Management > Access Control > SNMP > Trap Group293
  - Setting up Login Accounts293
  - Table 121 Management > Access Control > SNMP > Trap Group293
  - Figure 177 Management > Access Control > Logins294
  - Table 122 Management > Access Control > Logins294
- SSH Overview295
- How SSH Works295
- Figure 178 SSH Communication Example295
- Figure 179 How SSH Works295
- SSH Implementation on the Switch296
  - Requirements for Using SSH296
- Introduction to HTTPS296
- HTTPS Example297
  - Internet Explorer Warning Messages297
  - Figure 180 HTTPS Implementation297
  - Figure 181 Security Alert Dialog Box (Internet Explorer)297
  - Netscape Navigator Warning Messages298
  - The Main Screen298
  - Figure 182 Security Certificate 1 (Netscape)298
  - Figure 183 Security Certificate 2 (Netscape)298
- Service Port Access Control299
- Figure 184 Example: Lock Denoting a Secure Connection299
- Figure 185 Management > Access Control > Service Access Control299
- Remote Management300
- Figure 186 Management > Access Control > Remote Management300
- Table 123 Management > Access Control > Service Access Control300
- Table 124 Management > Access Control > Remote Management300
- Diagnostic303
Chapter 36 Diagnostic303
- Figure 187 Management > Diagnostic303
- Table 125 Management > Diagnostic303
- Syslog305
Chapter 37 Syslog305
- Syslog Overview305
- Syslog Setup305
- Table 126 Syslog Severity Levels305
- Syslog Server Setup306
- Figure 188 Management > Syslog306
- Table 127 Management > Syslog306
- Figure 189 Management > Syslog > Server Setup307
- Table 128 Management > Syslog > Server Setup307
- Cluster Management309
Chapter 38 Cluster Management309
- Clustering Management Status Overview309
- Table 129 Zyxel Clustering Management Specifications309
- Cluster Management Status310
- Clustering Management Configuration312
- Figure 193 Example: Uploading Firmware to a Cluster Member Switch312
- Table 131 FTP Upload to Cluster Member Example312
- Figure 194 Management > Clustering Management > Configuration313
- Table 132 Management > Clustering Management > Configuration313
- MAC Table315
Chapter 39 MAC Table315
- MAC Table Overview315
- Viewing the MAC Table316
- Figure 195 MAC Table Flowchart316
- Figure 196 Management > MAC Table316
- Table 133 Management > MAC Table316
- IP Table317
Chapter 40 IP Table317
- IP Table Overview317
- Figure 197 IP Table Flowchart317
- Viewing the IP Table318
- Figure 198 Management > IP Table318
- Table 134 Management > IP Table318
- ARP Table319
Chapter 41 ARP Table319
- ARP Table Overview319
  - How ARP Works319
- Viewing the ARP Table319
- Figure 199 Management > ARP Table320
- Table 135 Management > ARP Table320
- Routing Table321
Chapter 42 Routing Table321
- Overview321
- Viewing the Routing Table Status321
- Figure 200 Management > Routing Table321
- Table 136 Management > Routing Table321
- Configure Clone323
Chapter 43 Configure Clone323
- Figure 201 Management > Configure Clone323
- Table 137 Management > Configure Clone324
- Troubleshooting & Product Specifications325
- Part VI: Troubleshooting & Product Specifications325
Chapter 44 Troubleshooting327
- Problems Starting up the Switch327
- Problems Accessing the Switch327
- Problems with the Password333
- Figure 209 Java (Sun)333
- Table 140 Troubleshooting the Password333
Chapter 45335
- Product Specifications335
- Table 141 Hardware Specifications335
- Table 142 Firmware Specifications336
- Table 143 Switching Specifications339
- Table 144 Standards Supported340
- Appendices and Index343
- Part VII: Appendices and Index343
Appendix A IP Addresses and Subnetting345
- Introduction to Ip Addresses345
- Figure 210 Network Number and Host ID346
- Table 145 IP Address Network Number and Host ID Example346
- Table 146 Subnet Masks347
- Table 147 Maximum Host Numbers347
- Table 148 Alternative Subnet Mask Notation347
- Table 149 Subnet 1349
- Table 150 Subnet 2350
- Table 151 Subnet 3350
- Table 152 Subnet 4350
- Table 153 Eight Subnets350
- Table 154 24-Bit Network Number Subnet Planning351
- Table 155 16-Bit Network Number Subnet Planning351
- Configuring Ip Addresses352
Appendix B Legal Information353
Appendix C Customer Support357
- Index363

ZyXEL Communications XGS-4528F - DHCP Snooping; Figure 102 DHCP Snooping

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