Multicast Listener Discovery

Multicast Listener Discovery

Multicast Listener Discovery (MLD) is a component of the Internet Protocol Version 6 (IPv6) suite. MLD is used by IPv6 routers for discovering multicast listeners on a directly attached link, much like IGMP is used in IPv4. The protocol is embedded in ICMPv6 instead of using a separate protocol. MLDv1 is similar to IGMPv2 and MLDv2 similar to IGMPv3. The protocol is described in RFC 3810 which has been updated by RFC 4604.

Windows Vista and later support MLDv2.[citation needed] FreeBSD 8 includes support for MLDv2.[citation needed] The Linux kernel has supported MLDv2 since 2.5.68.[1]

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