Dell Latitude E6320 (Early 2011) - Manual (Page 37)

Random ID
The IPv6 Interface ID is automatically generated using a random number as described in RFC
3041. This is the default option.
Intel ID The IPv6 Interface ID is automatically generated using the MAC address.
Manual ID
The IPv6 Interface ID is configured manually. Selecting this type requires that the Manual
Interface ID is set with a valid value.
To select Manual ID
1. Select "Manual ID".
2. Press <Enter>. A new option of IPV6 Interface ID will be displayed below IPV6 Interface ID Type.
3. Select 'IPV6 Interface ID'.
4. Press <Enter>.
5. <Enter> preferred Manual ID.