Netgear GSM7328SNA 7000 Series Managed Switch Administration Guide for Softwar - Page 438
MLD, Con MLD, MLD Snooping
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28. MLD Multicast Listener Discovery 28 This chapter provides the following examples: • Configure MLD on page 439 • MLD Snooping on page 452 Multicast Listener Discovery (MLD) protocol enables IPv6 routers to discover multicast listeners, the nodes that are configured to receive multicast data packets, on its directly attached interfaces. The protocol specifically discovers which multicast addresses are of interest to its neighboring nodes and provides this information to the active multicast routing protocol that makes decisions on the flow of multicast data packets. Periodically, the multicast router sends general queries requesting multicast address listener information from systems on an attached networks. These queries are used to build and refresh the multicast address listener state on the attached networks. In response to the queries, multicast listeners reply with membership reports. These membership reports specify their multicast addresses listener state and their desired set of sources with current-state multicast address records. The multicast router also processes unsolicited filter- mode-change records and source-list-change records from systems that want to indicate interest in receiving or not receiving traffic from particular sources. Chapter 28. MLD | 438
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