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890 Snooping and Inspecting Traffic

DHCP Snooping VLAN Configuration

Use the DHCP Snooping VLAN Configuration page to control the DHCP

snooping mode on each VLAN.

To access the DHCP Snooping VLAN Configuration page, click Switching

→

DHCP Snooping

→

VLAN Configuration in the navigation panel.

Figure 27-5. DHCP Snooping VLAN Configuration

To view a summary of the DHCP snooping status for all VLANs, click Show

All.

Figure 27-6. DHCP Snooping VLAN Configuration Summary

Default Chapter1
- Series Switches1
- Table of Contents3
1 Introduction51
- About this Document51
- Audience52
- Document Conventions52
- Additional Documentation53
2 Switch Feature Overview55
- System Management Features56
- Stacking Features61
  - High Stack Count61
- Single IP Management61
- Master Failover with Transparent Transition62
- Nonstop Forwarding on the Stack62
- Hot Add/Delete and Firmware Synchronization62
- Security Features63
- Green Technology Features69
- Spanning Tree Protocol Features79
- Link Aggregation Features81
- Routing Features82
- Ipv6 Routing Features85
3 Hardware Overview91
- Dell Networking N2000 Series Switch Hardware91
4 Using Dell Openmanage Switch127
- Administrator127
5 Using the Command-Line Interface135
- Accessing the Switch through the CLI135
  - Console Connection135
  - Telnet Connection136
- Understanding Command Modes137
- Entering CLI Commands139
6 Default Settings143
7 Setting the IP Address and Other147
- Basic Network Information147
  - IP Address and Network Information Overview147
  - What Is Out-Of-Band Management and In-Band Management149
- Default Network Information151
- Configuring Basic Network Information (Web)152
- Configuring Basic Network Information (CLI)161
8 Managing QSFP Ports169
9 Managing a Switch Stack171
- Stacking Overview171
- Default Stacking Values182
- Managing and Monitoring the Stack (Web)184
10 Configuring Authentication207
- Authorization, and Accounting207
- Authorization Examples227
- Using RADIUS Servers to Control Management Access232
- Using TACACS+ Servers to Control Management Access237
  - Which TACACS+ Attributes Does the Switch Support238
- Default Configurations239
11 Monitoring and Logging System243
- Information243
- Monitoring System Information and Configuring Logging (CLI)267
- Logging Configuration Examples274
12 Managing General System Settings279
- System Settings Overview279
- Default General System Information286
- Configuring System Settings (CLI)307
- General System Settings Configuration Examples315
13 Configuring SNMP323
- SNMP Overview323
- Default SNMP Values325
- Configuring SNMP (Web)327
- Configuring SNMP (CLI)345
- SNMP Configuration Examples354
  - Configuring Snmpv1 and Snmpv2354
  - Configuring Snmpv3355
14 Managing Images and Files359
- Image and File Management Overview359
15 Automatically Updating the Image389
- And Configuration389
- Default Auto Configuration Values400
- Managing Auto Configuration (Web)401
  - Auto-Install Configuration401
- Managing Auto Configuration (CLI)402
  - Managing Auto Configuration402
- Auto Configuration Example403
16 Monitoring Switch Traffic407
- Traffic Monitoring Overview407
- Default Traffic Monitoring Values414
- Monitoring Switch Traffic (Web)414
- Monitoring Switch Traffic (CLI)439
- Traffic Monitoring Configuration Examples447
17 Configuring Iscsi Optimization459
- Iscsi Optimization Overview459
- Default Iscsi Optimization Values466
- Configuring Iscsi Optimization (Web)467
- Configuring Iscsi Optimization (CLI)471
- Iscsi Optimization Configuration Examples473
  - Configuring Iscsi Optimization between Servers and a Disk Array473
18 Configuring Port Characteristics477
- Port Overview477
19 Configuring Port and System503
- Security503
  - Port-Based Security-IEEE 802.1X and Port MAC Locking503
    - Ieee 802.1X504
  - Port Security (Port-MAC Locking)539
- Captive Portal543
- Authentication Manager578
- Denial of Service582
20 Configuring Access Control Lists583
- ACL Overview583
- ACL Configuration Details591
- Policy Based Routing594
- Configuring Acls (Web)599
- Configuring Acls (CLI)612
- ACL Configuration Examples628
21 Configuring Vlans645
- VLAN Overview645
- Default VLAN Behavior661
- Configuring Vlans (Web)663
- Configuring Vlans (CLI)682
- VLAN Configuration Examples698
22 Configuring the Spanning Tree Protocol715
- STP Overview715
- Rstp-Pv724
- Default STP Values735
- Configuring Spanning Tree (Web)736
- Configuring Spanning Tree (CLI)746
- STP Configuration Examples751
23 Discovering Network Devices761
- Device Discovery Overview761
- Default IDSP and LLDP Values763
- Configuring ISDP and LLDP (Web)765
- Configuring ISDP and LLDP (CLI)777
- Device Discovery Configuration Examples782
  - Configuring ISDP782
  - Configuring LLDP782
24 Configuring Port-Based Traffic Control787
- Port-Based Traffic Control Overview787
- Default Port-Based Traffic Control Values790
- Configuring Port-Based Traffic Control (Web)791
- Configuring Port-Based Traffic Control (CLI)798
- Port-Based Traffic Control Configuration Example801
25 Configuring L2 Multicast Features803
- L2 Multicast Overview803
- Snooping Switch Restrictions812
- Default L2 Multicast Values814
- Configuring L2 Multicast Features (Web)816
- Configuring L2 Multicast Features (CLI)846
- Case Study on a Real-World Network Topology854
  - Multicast Snooping Case Study854
26 Configuring Connectivity Fault Management859
- Dot1Ag Overview859
- Default Dot1Ag Values864
- Configuring Dot1Ag (Web)865
- Configuring Dot1Ag (CLI)873
- Dot1Ag Configuration Example876
27 Snooping and Inspecting Traffic879
- Traffic Snooping and Inspection Overview879
- Default Traffic Snooping and Inspection Values885
- Configuring Traffic Snooping and Inspection (Web)887
- Configuring Traffic Snooping and Inspection (CLI)904
- Traffic Snooping and Inspection Configuration Examples910
  - Configuring DHCP Snooping910
  - Configuring IPSG912
28 Configuring Link Aggregation913
- Link Aggregation913
- Multi-Switch LAG (MLAG)932
29 Configuring Data Center Bridging Features983
- Data Center Bridging Technology Overview983
  - Default DCB Values984
- Priority Flow Control985
- DCB Capability Exchange992
- Enhanced Transmission Selection999
30 Managing the MAC Address Table1015
- MAC Address Table Overview1015
- Default MAC Address Table Values1016
- Managing the MAC Address Table (Web)1017
  - Static Address Table1017
  - Global Address Table1019
- Managing the MAC Address Table (CLI)1020
  - Managing the MAC Address Table1020
31 Configuring Routing Interfaces1021
- Routing Interface Overview1021
- Default Routing Interface Values1026
- Configuring Routing Interfaces (Web)1027
- Configuring Routing Interfaces (CLI)1033
32 Configuring DHCP Server and Relay Settings1037
- DHCP Overview1037
- Default DHCP Server Values1042
- Configuring the DHCP Server (Web)1043
- Configuring the DHCP Server (CLI)1054
- DHCP Server Configuration Examples1058
  - Configuring a Dynamic Address Pool1058
  - Configuring a Static Address Pool1060
33 Configuring IP Routing1063
- IP Routing Overview1063
- Default IP Routing Values1065
- ARP Table1066
- Configuring IP Routing Features (Web)1067
- Configuring IP Routing Features (CLI)1079
- IP Routing Configuration Example1084
  - Configuring Dell Networking Switch a1085
  - Configuring Dell Networking Switch B1086
34 Configuring L2 and L3 Relay Features1087
- L2 and L3 Relay Overview1087
- Default L2/L3 Relay Values1093
- Configuring L2 and L3 Relay Features (Web)1094
- Configuring L2 and L3 Relay Features (CLI)1105
  - Configuring L2 DHCP Relay1105
  - Configuring L3 Relay (IP Helper) Settings1107
- Relay Agent Configuration Example1109
35 Configuring OSPF and Ospfv31111
- OSPF Overview1112
- OSPF Feature Details1114
- Default OSPF Values1120
- Configuring OSPF Features (Web)1122
- Configuring Ospfv3 Features (Web)1138
- Configuring OSPF Features (CLI)1155
- Configuring Ospfv3 Features (CLI)1167
- OSPF Configuration Examples1177
36 Configuring RIP1201
- RIP Overview1201
- Default RIP Values1203
- Configuring RIP Features (Web)1204
- Configuring RIP Features (CLI)1209
- RIP Configuration Example1213
37 Configuring VRRP1217
- VRRP Overview1217
- Default VRRP Values1221
- Configuring VRRP Features (Web)1222
- Configuring VRRP Features (CLI)1230
  - Configuring VRRP Settings1230
- VRRP Configuration Example1232
38 Configuring Ipv6 Routing1241
- Ipv6 Routing Overview1241
  - How Does Ipv6 Compare with Ipv41242
  - How Are Ipv6 Interfaces Configured1242
- Default Ipv6 Routing Values1243
- Configuring Ipv6 Routing Features (Web)1245
- Configuring Ipv6 Routing Features (CLI)1256
- Ipv6 Static Reject and Discard Routes1263
39 Configuring Dhcpv6 Server and Relay Settings1265
- Dhcpv6 Overview1265
- Default Dhcpv6 Server and Relay Values1267
- Configuring the Dhcpv6 Server and Relay (Web)1268
- Configuring the Dhcpv6 Server and Relay (CLI)1277
- Dhcpv6 Configuration Examples1281
40 Configuring Differentiated Services1285
- Diffserv Overview1285
  - How Does Diffserv Functionality Vary Based on the Role of the Switch1286
  - What Are the Elements of Diffserv Configuration1286
- Default Diffserv Values1287
- Configuring Diffserv (Web)1288
- Configuring Diffserv (CLI)1300
- Diffserv Configuration Examples1307
  - Providing Subnets Equal Access to External Network1307
  - Diffserv for Voip1310
41 Configuring Class-Of-Service1313
- Cos Overview1313
- Default Cos Values1316
- Configuring Cos (Web)1318
- Configuring Cos (CLI)1324
- Cos Configuration Example1328
42 Configuring Auto Voip1331
- Auto Voip Overview1331
  - How Does Auto-Voip Use Acls1332
- Default Auto Voip Values1332
- Configuring Auto Voip (Web)1333
  - Auto Voip Global Configuration1333
  - Auto Voip Interface Configuration1333
- Configuring Auto Voip (CLI)1335
43 Managing Ipv4 and Ipv6 Multicast1337
- L3 Multicast Overview1337
- Default L3 Multicast Values1355
- Configuring General Ipv4 Multicast Features (Web)1357
- Configuring Ipv6 Multicast Features (Web)1363
  - Ipv6 Multicast Route Table1363
- Configuring IGMP and IGMP Proxy (Web)1364
- Configuring MLD and MLD Proxy (Web)1373
- Configuring PIM for Ipv4 and Ipv6 (Web)1382
- Configuring DVMRP (Web)1394
- Configuring L3 Multicast Features (CLI)1399
A Feature Limitations and Platform Constants1423
B System Process Definitions1433
Index1441

Brand	Dell
Model	N3000 Series
Category	Switch
Language	English

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