This attribute is indicative of the state of the MAC address format
conversion process for ARP/RARP frames. The MAC addresses may be
translated if need be from a canonical format to a non-canonical format,
based on the needs of the associated media.
If this attribute is set to a value of on then all Mac addresses will
converted if need be to suit the format of mac address, the outgoing
media will support.
If this attribute is set to a value of off no such conversion takes place.