Concept Guide

Figure 39. Membership Queries: Leaving and Staying
Congure IGMP
Conguring IGMP is a two-step process.
1 Enable multicast routing using the ip multicast-routing command.
2 Enable a multicast routing protocol.
Related Conguration Tasks
• Viewing IGMP Enabled Interfaces
• Selecting an IGMP Version
• Viewing IGMP Groups
• Adjusting Timers
• Preventing a Host from Joining a Group
• Enabling IGMP Immediate-Leave
• IGMP Snooping
• Fast Convergence after MSTP Topology Changes
• Designating a Multicast Router Interface
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Internet Group Management Protocol (IGMP)