o creation time Time at which this entity was created. o naks received indicating message header format error Number of NAK messages received that report errors in message headers sent from the local station. o naks received indicating receive overrun Number of NAK messages received that report a receive overrun at the remote station. o pdus received with message header format error Number of times the local station detected an error in a message header. o receive overruns Number of times the local station detected a receive overrun. o selection address errors Number of times that the controller of a multipoint link received a message with an address other than that of the currently selected station. This counter is supported only if the characteristic protocol is set to control. o streaming tributaries Number of times that the remote station (or a tributary station) exceeded the maximum transmission interval without releasing the line, or failed to release the line after sending a message with the select flag set. This counter is present only on half- duplex, point-to-point links, or when the local station is a controller of a multipoint link. This counter is not supported if the protocol characteristic is set to tributary. o transmit underruns Number of times the local station detected a transmit underrun.