Specify the name of the interface to be used to advertise the PREF64 option.
- SNMP ID:
 - 2.70.2.8.1
 - Console path:
 - Setup > IPv6 > Router-Advertisement > PREF64-Option
 - Possible values:
 Max. 16 characters from [A-Z][0-9]@{|}~!$%&'()+-,/:;<=>?[\]^_.
- Default:
 - empty