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IGMP Configuration Guidelines

To configure the Internet Group Management Protocol (IGMP), you include statements at the [edit protocols igmp] or [edit logical-routers logical-router-name protocols igmp] hierarchy level of the configuration: 

[edit]

protocols {

    igmp {

        interface interface-name {

            disable; 

            static {

                group group {

                    source source; 

                }    

            }

            version version; 

        }

        query-interval seconds; 

        query-last-member-interval seconds; 

        query-response-interval seconds; 

        robust-count number; 

        traceoptions {

            file name <replace> <size size> <files number> <no-stamp> 

                <(world-readable | no-world-readable)>;

            flag flag <flag-modifier> <disable>; 

        }

    } 

} 



[edit logical-routers logical-router-name]

protocols {

    igmp {

        interface interface-name {

            disable; 

            static {

                group group {

                    source source; 

                }    

            }

            version version; 

        }

        query-interval seconds; 

        query-last-member-interval seconds; 

        query-response-interval seconds; 

        robust-count number; 

        traceoptions {

            file name <replace> <size size> <files number> <no-stamp> 

                <(world-readable | no-world-readable)>;

            flag flag <flag-modifier> <disable>; 

        }

    } 

}

For an overview of logical routers and a detailed example of logical router configuration, see the logical routers chapter of the JUNOS Feature Guide.

By default, IGMP is automatically enabled on all interfaces on which you configure the Distance Vector Multicast Routing Protocol (DVMRP) or Protocol Independent Multicast (PIM).

This chapter describes the following tasks for configuring IGMP:

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