Cisco ESW 500 - Defining DHCP Snooping Properties

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Configuring Device Security

Defining DHCP Snooping

ESW 500 Series Switches Administration Guide 175

The

DHCP Snooping Table

contains the untrusted interfaces MAC address, IP

address, Lease Time, VLAN ID, and interface information.

The DHCP Snooping section contains the following topics:

• Defining DHCP Snooping Properties

• Defining DHCP Snooping on VLANs

• Defining Trusted Interfaces

• Binding Addresses to the DHCP Snooping Database

• Defining IP Source Guard

Defining DHCP Snooping Properties

The

DHCP Snooping Properties Page

contains parameters for enabling DHCP

Snooping on the device. To define the DHCP Snooping general properties:

Main Page

Default Chapter3
- Table of Contents3
Chapter 1: Getting Started12
- Introduction12
- Typical Installation Methods13
  - Default Configuration Settings on the ESW 500 Series Switches14
    - Physical Connectivity14
- Connecting to the Switch17
- Navigating the Cisco Switch Configuration Utility29
  - Using the Management Buttons29
- Performing Common Configuration Tasks30
- Using the Switch Console Port48
  - Selecting Menu Options and Actions48
Chapter 2: Managing Device Information52
- Understanding the Dashboards52
- Defining System Information60
- Viewing Device Health62
- Resetting the Device64
- Managing Cisco Discovery Protocol65
- Defining the Bonjour Discovery Protocol68
- TCAM Utilization70
Chapter 3: Managing Smart Ports72
- Configuring Smart Ports for Desktops73
- Configuring Smart Ports for IP Phones and Desktops77
- Configuring Smart Ports for Access Points80
- Configuring Smart Ports for Switches82
- Configuring Smart Ports for Routers84
- Configuring Smart Ports for Guests87
- Configuring Smart Ports for Servers89
- Configuring Smart Ports for Printers91
- Configuring Smart Ports for VS Camera94
- Configuring Smart Ports for Other96
Chapter 4: Configuring System Time99
- Defining System Time99
- Defining SNTP Settings103
- Defining SNTP Authentication105
Chapter 5: Configuring Device Security108
- Passwords Management108
  - Modifying the Local User Settings110
- Defining Authentication111
- Defining Access Methods127
  - Defining Access Profiles128
  - Defining Profile Rules131
    - Modifying Profile Rules135
- Defining Traffic Control137
  - Defining Storm Control138
    - Modifying Storm Control140
  - Defining Port Security141
    - Modifying Port Security145
- Defining 802.1X146
- Defining Access Control160
- Defining Dos Prevention181
  - Dos Global Settings181
  - Defining Martian Addresses183
- Defining DHCP Snooping185
- Defining Dynamic ARP Inspection202
Chapter 6: Configuring Ports213
- Port Settings213
  - Modifying Port Settings215
Chapter 7: Configuring Vlans219
- Defining VLAN Properties220
  - Modifying Vlans222
  - Defining VLAN Membership223
    - Modifying VLAN Membership224
- Assigning Ports to Multiple Vlans226
- Defining Interface Settings229
  - Modifying VLAN Interface Settings230
- Defining GVRP Settings232
  - Modifying GVRP Settings234
- Defining Protocol Groups236
  - Modifying Protocol Groups237
- Defining a Protocol Port238
Chapter 8: Configuring IP Information241
- IP Addressing241
- Defining DHCP Relay243
- Defining DHCP Relay Interfaces245
- Managing ARP247
  - ARP Table249
  - Modifying ARP Settings250
- Domain Name System251
  - Defining DNS Servers251
    - Default Parameters252
    - DNS Server Details253
  - Mapping DNS Hosts253
Chapter 9: Defining Address Tables256
- Defining Static Addresses256
- Defining Dynamic Addresses259
  - Query by Section261
Chapter 10: Configuring Multicast Forwarding262
- IGMP Snooping262
  - Modifying IGMP Snooping264
- Defining Multicast Group266
  - Modifying a Multicast Group268
- Defining Multicast Forwarding269
  - Modifying Multicast Forwarding271
- Defining Unregistered Multicast Settings272
Chapter 11: Configuring Spanning Tree275
- Defining STP Properties275
  - Global Settings276
- Defining Spanning Tree Interface Settings278
  - Modifying Interface Settings282
- Defining Rapid Spanning Tree284
  - Modifying RTSP287
- Defining Multiple Spanning Tree289
Chapter 12: Configuring Quality of Service301
- Managing Qos Statistics302
- Defining General Settings310
- Defining Advanced Qos Mode324
- Defining Qos Basic Mode340
  - Rewriting DSCP Values341
Chapter 13: Configuring SNMP343
- SNMP Versions343
  - SNMP V1 and V2343
  - SNMP V3343
- Configuring SNMP Security344
- Defining Trap Management359
- Managing Cisco Discovery Protocol370
Chapter 14: Managing System Files373
- Software Upgrade374
- Save Configuration375
- Copy Configuration377
  - Via TFTP378
  - Via HTTP379
- Active Image379
- DHCP Auto Configuration381
Chapter 15: Managing Power-Over-Ethernet Devices382
- Defining Poe Settings382
Chapter 16: Managing System Logs386
- Enabling System Logs386
- Viewing the Device Memory Logs388
  - Clearing Message Logs389
- Viewing the System Flash Logs390
  - Clearing Flash Logs391
- Remote Log Servers391
  - Modifying Syslog Server Settings394
Chapter 17: Viewing Statistics397
- Viewing Ethernet Statistics397
- Managing RMON Statistics405
  - Viewing RMON Statistics406
  - Resetting RMON Statistics Counters408
- Configuring RMON History408
Chapter 18: Aggregating Ports424
- Defining Etherchannel Management425
- Defining Etherchannel Settings427
  - Modifying Etherchannel Settings429
- Configuring LACP431
Chapter 19: Managing Device Diagnostics434
- Ethernet Port Testing434
- Performing GBIC Uplink Testing437
- Configure Span (Port Mirroring)438
- Monitoring CPU Utilization440

Cisco ESW 500 - Defining DHCP Snooping Properties

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