The OUI of the OAM peer as reflected in the latest
Information OAMPDU received with a Local Information TLV. The
OUI can be used to identify the vendor of the remote OAM
entity. This value is initialized to all zeros (0x000000).
This value is considered invalid if the h3cDot3OamPeerStatus is
inactive.
An Information OAMPDU is indicated by a valid frame with (1)
destination MAC address equal to that of the reserved MAC
address for Slow Protocols (See 43B of [802.3ah]), (2) a
lengthOrType field equal to the reserved type for Slow
Protocols, (3) a Slow Protocols subtype equal to that of the
subtype reserved for OAM, (4) a OAM code that equals the code
reserved for Information OAMPDUs.