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  2. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    For example, the Routing Information Protocol (RIPv2) uses 224.0.0.9, Open Shortest Path First (OSPF) uses 224.0.0.5 and 224.0.0.6, and Multicast DNS uses 224.0.0.251. Routers must not forward these messages outside the subnet from which they originate. Internetwork control block

  3. Multicast DNS - Wikipedia

    en.wikipedia.org/wiki/Multicast_DNS

    An mDNS message is a multicast UDP packet sent using the following addressing: IPv4 address 224.0.0.251 or IPv6 address ff02::fb; UDP port 5353; When using Ethernet frames, the standard IP multicast MAC address 01:00:5E:00:00:FB (for IPv4) or 33:33:00:00:00:FB (for IPv6)

  4. mcast.net - Wikipedia

    en.wikipedia.org/wiki/Mcast.net

    mcast.net is a second level domain reserved by the Internet Assigned Numbers Authority (IANA) and maintained by Verisign used to bind DNS records unique to multicast addressing. [1]

  5. .local - Wikipedia

    en.wikipedia.org/wiki/.local

    Any DNS query for a name ending with the label local must be sent to the mDNS IPv4 link-local multicast address 224.0.0.251, or its IPv6 equivalent ff02::fb. (Note that 251 10 and fb 16 are the same number.) A domain name ending in .local may be resolved concurrently via other mechanisms, for example, unicast DNS.

  6. Zero-configuration networking - Wikipedia

    en.wikipedia.org/wiki/Zero-configuration_networking

    When an mDNS client needs to resolve a local hostname to an IP address, it sends a DNS request for that name to the well-known multicast address; the computer with the corresponding A/AAAA record replies with its IP address. The mDNS multicast address is 224.0.0.251 for IPv4 and ff02::fb for IPv6 link-local addressing.

  7. IP multicast - Wikipedia

    en.wikipedia.org/wiki/IP_multicast

    IP multicast is a method of sending Internet Protocol (IP) datagrams to a group of interested receivers in a single transmission. It is the IP-specific form of multicast and is used for streaming media and other network applications. It uses specially reserved multicast address blocks in IPv4 and IPv6.

  8. Multicast - Wikipedia

    en.wikipedia.org/wiki/Multicast

    In IP multicast the implementation of the multicast concept occurs at the IP routing level, where routers create optimal distribution paths for datagrams sent to a multicast destination address. Multicast is often employed in Internet Protocol (IP) applications of streaming media , such as IPTV and multipoint videoconferencing .

  9. Internet Group Management Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Group_Management...

    The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to establish multicast group memberships. IGMP is an integral part of IP multicast and allows the network to direct multicast transmissions only to hosts that have requested them.

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