Item of Interest
This type of network was developed by Xerox. It was eventually standardized as the IEEE802.3 based on the Ethernet DIX standard (DIX= Digital, Intel, Xerox). The IEEE802.3 describes all ethernet based networks; both 10, 100 and 1000 Mbps networks.
- Destionation MAC Address
Following rfcs detail the methods mapping between an IP multicast address and a hardware address.
- Host Extensions for IP Multicasting
An IP host group address is mapped to an Ethernet multicast address by placing the low-order 23-bits of the IP address into the low-order 23 bits of the Ethernet multicast address 01-00-5E-00-00-00 (hex). Because there are 28 significant bits in an IP host group address, more than one host group address may map to the same Ethernet multicast address.
- A Proposed Standard for the Transmission of IP Datagrams over FDDI Networks
An IP multicast address is mapped to an FDDI group address by placing the low order 23 bits of the IP address into the low order 23 bits of the FDDI group address 01-00-5E-00-00-00 (in "canonical" order).
- IP Multicast over Token-Ring Local Area Networks
Because there is a shortage of Token-Ring functional addresses, all IP multicast addresses have been mapped to a single Token-Ring functional address. In canonical form, this address is 03-00-00-20-00-00. In non-canonical form, it is C0-00-00-04-00-00.
(Specially, this Rfc details the Destination MAC address format)
- Transmission of IPv6 Packets over Token Ring Networks
All IPv6 packets with multicast destination addresses are transmitted to Token Ring functional addresses. The following table shows the specific mapping between the IPv6 addresses and Token Ring functional addresses (in canonical form).
- Multicast (including Broadcast) address full list
- Source MAC Address
- Hot Links