Group Destination Address are broadcast address in class D domain. Multicast IP address are Class D IP address, from 220.127.116.11 to 18.104.22.168. They are also referred to as Group Destination Address (GDA). There is a mapping between IP address and MAC address for GDA. GDA MAC address is formed by 01:00:5E:XX:XX:XX, followed by the latest 24 bits of the GDA multicast IP address in hex.
Example: 22.214.171.124 --> Ethernet MAC of 01:00:5E:0F:0F:0F
For IPv6 Multicast addresses, the Ethernet MAC is derived by the four low-order octets OR'ed with the MAC 33:33:00:00:00:00.
Example: the IPv6 address FF02:DEAD:BEEF::1:3 --> Ethernet MAC of 33:33:00:01:00:03 (RFC 2464).
Famous quotes containing the words address, group and/or destination:
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—Adam Smith (17231790)
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—Gore Vidal (b. 1925)
“A mans destination is his own village,
His own cooking fire, and his wifes cooking;
To sit in front of his own door at sunset
And see his grandson, and his neighbours grandson
Playing in the dust together.”
—T.S. (Thomas Stearns)