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Property:EUI-64
| BoxMatrix >> Lexicon >> Network-Protocols >> EUI-64 | @ BoxMatrix - IRC-Chat - Translate: de es fr it nl pl |
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Protocol
| Protocol: | EUI-64 | Wiki | Freetz | IPPF | whmf | AVM | Web |
| Short for: | 64-Bit Extended Unique Identifier | ||||||
| Location: | Lexicon >> Network-Protocols | ||||||
| Weblinks: | Wikipedia.int - Wikipedia.de - IEEE EUI Guidelines | ||||||
| Description: | Extended MAC address format | ||||||
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Details
EUI-64 (64-Bit Extended Unique Identifier) is the extended MAC address format.
EUI-64 uses 64 bits to address a device, unlike the classical EUI-48 MAC format which uses 48 bits.
The intention is to address more devices (and vendors), with a growing demand for addresses due to IoT.
An EUI-48 uses 24 bits for the vendor OUI and 24 bits for the device to address.
An EUI-64 uses 24, 28 or 36 bits for the vendor OUI and 28, 36 or 40 bits for the device to address.
There's a widely used translation method between EUI-48 and EUI-64, which the IEEE considers outdated:
EUI-48: 11:22:33:44:55:66 EUI-64: 11:22:33:FF:FE:44:55:66
In the middle of a EUI-48 a FF:FE is inserted to translate it to a EUI-64.
Some of the technologies using EUI-64:
Bluetooth-LE uses EUI-48.
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todo
EUI-64 is used for addressing ZigBee devices.
