MLD Configuration Guidelines
To configure multicast listener discovery (MLD), you include statements at the
[edit protocols mld]or[edit logical-routerslogical-router-nameprotocols mld]hierarchy level of the configuration:[edit]protocols {mld {interfaceinterface-name{disable;static {groupgroup{sourcesource;}}versionversion;}query-intervalseconds;query-last-member-intervalseconds;query-response-intervalseconds;robust-countnumber;traceoptions {filename<replace> <sizesize> <filesnumber> <no-stamp><(world-readable | no-world-readable)>;flagflag<flag-modifier> <disable>;}}}[edit logical-routerslogical-router-name]protocols {mld {interfaceinterface-name{disable;static {groupgroup{sourcesource;}}versionversion;}query-intervalseconds;query-last-member-intervalseconds;query-response-intervalseconds;robust-countnumber;traceoptions {filename<replace> <sizesize> <filesnumber> <no-stamp><(world-readable | no-world-readable)>;flagflag<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 Internet Software 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: