Ethernet IPv6 Address
Function:Specifies the Ethernet IPv6 Address for the Ethernet port.
Type:Five (5) unsigned binary word (32-bit)
Data Range:See table.
Read/Write:R
Operational Settings:The IPv6 Prefix length indicates the network portion of an IPv6 address using the following format: IPv6 address/prefix length ` Prefix length can range from 0 to 128 ` * Typical prefix length is 64

The following is an illustration of IPv6 addressing with IPv6 Prefix length of 64.

64 bits64 bits
PrefixInterface ID
Prefix 1Prefix 2Prefix 3Subnet IDInterface ID 1Interface ID 2Interface ID 3Interface ID 4
Example: 2002:c0a8:101:0:7c99:d118:9058:1235/64
2002C0A8010100007C99D11890581235
Ethernet IPv6 Address (Note: little-endian order within 32-bit and 16-bit words in register) (ex. IPv6 Address: 2002:c0a8:201:0:7c99:d118:9058:1235 IPv6 Prefix: 64)
Word 1 (Ethernet IPv6 Address (Prefix 1-2)) (ex:0xA8C0 0220 = 2002 C0A8)
D31D30D29D28D27D26D25D24D23D22D21D20D19D18D17D16
Prefix 2 (ex: 0xA8C0 = C0A8)
D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Prefix 1 (ex: 0x0220 = 2002)
Word 2 (Ethernet IPv6 Address (Prefix 3/Subnet ID)) + (ex:0x000 0101 = 0101 0000)
D31D30D29D28D27D26D25D24D23D22D21D20D19D18D17D16
Subnet ID (ex: 0x0000 = 0000)
D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Prefix 3 (ex: 0x0101 = 0101)
Word 3 (Ethernet IPv6 Address (Interface ID 1-2)) + (ex: 0x18D1 997C = 7C99 D118)
D31D30D29D28D27D26D25D24D23D22D21D20D19D18D17D16
Interface ID 2 (ex: 0x18D1 = D118)
D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Interface ID 1 (ex: 0x997C = 7C99)
Word 4 (Ethernet IPv6 Address (Interface ID 3-4)) + (ex: 0x3512 5890 = 9058 1235)
D31D30D29D28D27D26D25D24D23D22D21D20D19D18D17D16
Interface ID 4 (ex: 0x3512 = 1235)
D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Interface ID 3 (ex: 0x5890 = 9058)
Word 5 (Ethernet IPv6 Prefix Length) + (ex:0x0000 0040)
D31D30D29D28D27D26D25D24D23D22D21D20D19D18D17D16
0000000000000000
D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Prefix Length (ex: 0x0040 = 64)