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10 CHAPTER : CONTENTS
Option 82 Supporting Configuration 288
Prerequisites 288
Enabling Option 82 Supporting on a DHCP Relay 288
Option 82 Supporting Configuration Example 289
Introduction to DHCP Snooping 290
DHCP Snooping Configuration 291
Configuration Example 292
Introduction to DHCP Accounting 292
Structure of the DHCP Accounting Packets 292
DHCP Accounting Fundamentals 294
DHCP Accounting Configuration 294
Displaying and Debugging DHCP Configuration 296
DHCP Relay Configuration Example One 297
DHCP Relay Configuration Example Two 298
Troubleshooting DHCP Relay Configuration 299
Access Management Configuration 299
Access Management Overview 299
Configuring Access Management 299
Displaying and Debugging Access Management 301
Access Management Configuration Example 302
Access Management using the Web 302
UDP Helper Configuration 303
Overview of UDP Helper 303
UDP Helper Configuration 303
Displaying and Debugging UDP Helper Configuration 305
UDP Helper Configuration Example 305
IP Performance Configuration 305
Displaying and debugging IP Performance 306
Troubleshooting IP Performance 307
18 MULTICAST PROTOCOL
IP Multicast Overview 309
Multicast Addresses 310
IP Multicast Protocols 312
Forwarding IP Multicast Packets 313
Applying Multicast 314
IGMP Snooping 314
Configuring IGMP Snooping 317
Enabling IGMP Fast Leave Processing 318
Configuring IGMP Snooping Filter ACL 319
Configuring the Maximum Number of Multicast Groups on a Port 319
Configuring Multicast VLAN 320
Displaying and Debugging IGMP Snooping 321
Configuration Example—Enable IGMP Snooping 322
IGMP Snooping Fault Diagnosis and Troubleshooting 322
Common Multicast Configuration 323
Enabling Multicast 323
Configuring the Number Limit of Multicast Routing Entries 323
Multicast MAC Address Entry Configuration 324