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IGMP Snooping Configuration
This chapter describes how to configure IGMP snooping on a Layer 2 multicast device so that the device can create and maintain a Layer 2 multicast forwarding table by analyzing IGMP messages exchanged between the upstream Layer 3 device and user hosts. This technology implements on-demand multicast data transmission at the data link layer.
"Switch" mentioned in this chapter or shown in figures refer to routers with Layer 2 multicast functions enabled.
- Overview of IGMP Snooping
- Understanding IGMP Snooping
- Application Scenarios for IGMP Snooping
- Summary of IGMP Snooping Configuration Tasks
- Licensing Requirements and Limitations for IGMP Snooping
- Default Settings for IGMP Snooping
- Configuring Basic IGMP Snooping Functions
- Configuring the IGMP Snooping Policy
- Configuring Membership Fast-Update
- Configuring IGMP Snooping SSM Mapping
- Maintaining IGMP Snooping
- Configuration Examples for IGMP Snooping
- Troubleshooting IGMP Snooping
- FAQ About IP Multicast