The value of the object vRtrIfDHCP6RemoteIdOption specifies
whether or not the remote Id option is sent to the DHCP6 server.
The client DUID is used as remoteId.
If the value of vRtrIfType, associated with this interface, has a value
of 'serviceIesGroup(7)' or 'serviceVprnGroup(9)', the value of the
object vRtrIfDHCP6RemoteIdOption may also be included in the RADIUS
authentication request sent by the DHCPv6 proxy server.