EUI-64

EUI stands for Extended Unique Identifier

(Modified) EUI-64 is a method of converting a MAC address (48 bits) into a 64-bit interface identifier.

This interface identifier can then become the 'host portion' of a /64 IPv6 address.

How to convert the MAC address:

1. Divide the MAC address in half. 1234 5678 90AB -> 1234 56 | 78 90AB

2. Insert FFFE in the middle. 1234 56FF FE78 90AB

3. Invert the 7th bit. 1234 56FF FE78 90AB -> 1034 56FF FE78 90AB

MAC Address	EUI-64 Interface Identifier
782B CBAC 0867	7A2B CBFF FEAC 0867
0200 4C4F 4F50	0000 4CFF FE4F 4F50
0050 56C0 0001	0250 56FF FEC0 0001
00FF 6BA6 F456	02FF 6BFF FEA6 F456
96AB 6D6B 98AE	94AB 6DFF FE6B 98AE