This read-only MacAddress reports the remote peer's MAC address when an Ethernet Network Port is peering using SSM (Sync Status Message) slow-protocol exchange. Admins use it to confirm which specific far-end device is actually being received as the timing-message source on that port, similar in purpose to the EFM OAM remote MAC object but specific to the SSM/timing context. For example, when validating a synchronization ring's topology, an admin would check cmEthernetNetPortSSMRemoteMacAddress to confirm SSM messages are arriving from the expected adjacent node rather than an unexpected device.