Users Guide

3 Separately in the following illustration, the querier sends a general query to 224.0.0.1.
4 Host 2 responds to the periodic general query so the querier refreshes the state information for that
group.
Figure 52. Membership Queries: Leaving and Staying
Configure IGMP
Configuring IGMP is a two-step process.
1 Enable multicast routing using the ip multicast-routing command.
2 Enable a multicast routing protocol.
Related Configuration Tasks
• Viewing IGMP Enabled Interfaces
Internet Group Management Protocol (IGMP) 453