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MLD Configuration Guidelines

To configure multicast listener discovery (MLD), you include statements at the [edit protocols mld] or [edit logical-routers logical-router-name protocols mld] hierarchy level of the configuration: 

[edit]

protocols {

    mld {

        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 {

    mld {

        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, MLD is automatically enabled on all interfaces on which you configure Protocol Independent Multicast (PIM).

This chapter describes the following tasks for configuring MLD:

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