This attribute is applicable and is displayed only for connections for
which the operational Tm abrConnectionType is displayed as
sourceDest or virtualSourceDest.
This attribute indicates the value of the Explicit Forward
Congestion Indication (EFCI) bit of the last data cell received from
the interface.
When a forward Resource Management (RM) cell is turned around
as a backward-RM cell, the Congestion Indication (CI) field of the
backward-RM cell is set to 1, if the value of this attribute is
indicated.
This attribute is set to notIndicated each time a backward-RM cell
is transmitted.