This means that 2 24 (= 16.777.216) unique OUAs can be assigned per OUI.
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#How to convert mac address to an ipv6 interface id windows#
Since 'Windows Vista' Windows uses random ipv6 link-local addresses. The IEEE now considers the label MAC-48 to be an obsolete term, previously used to refer to a specific type of EUI-48 identifier used to address hardware interfaces within existing 802-based networking applications, and thus not to be used in the future. Bit 3–24 (manufacturer identification): Bits 3 to 24 encode an identifier (organizationally unique identifier, OUI), which is assigned exclusively to hardware manufacturers by IEEE. This link-local IPv6 is inferred from the NIC’s mac address.Addresses that are only locally unique are called locally administered address (LAA) and are marked with U/L = 1.
emnoc has already provided the CLI commands to get the mac address, which is diag hardware deviceinfo nicOn the GUI you can find the MAC Address listed behind the Interface name (see pic). If we append this interface identifier to the global prefix and the. I dont think you will find a complete single list/page showing the MAC Address of all the Interfaces. An interface address in this organization in the firs subnet is F700:23FF:FF14:00D2. If U/L = 0, the address is valid worldwide as a universally administered address (UAA). Conversion of EUI-64 ID into IPv6 Interface Identifier Given the MAC address F5A923147AD2, what is the IPv6 Interface Identifier: Choose An organization is assigned the block 2000:1456:2474/48. Bit 2 (registry): The second bit of the MAC address indicates whether it is an address with global validity (universal) or whether the address has been assigned locally (local).
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Multicast addresses are identified by I/G = 1 and are addressed to several receivers. If I/G = 0, it is a unicast address for a single network adapter. This bit is called I/G (short for individual/group). Bit 1 (receiver): The first bit of the MAC address specifies whether it is an individual or group address.The bit sequence of each MAC address is divided into 4 areas, each of which encodes different information.