The current status of the remote Device as viewed by this
device. A remote device is up if the local device can
communicate with it.
unknown(1) : Current status of the remote device is Unknown,
local (2) : This is the local device in the table,
remote-up(3) : The local device is running and is able to
communicate with the remote device.
remote-down(4): The local device is running but it is unable to
communicate with the remote Device.