Interface that the DHCPv4 client should use for this option, e.g. WAN remote site or IPv4 LAN network.
- SNMP ID:
 - 2.10.40.5.1
 - Console path:
 - Setup > DHCP > Client > Additional-Options
 - Possible values:
 Max. 16 characters from [A-Z][0-9]@{|}~!$%&'()+-,/:;<=>?[\]^_.
- Default:
 - empty