This object specifies the value of
cewredConfigGlobIndex which associates the WRED
configuration with the source module (identified by
entPhysicalIndex) and destination interface
(identified by the ifIndex) combination.This value
can't be modified when cewredRxRowStatus is active(1).
The value of this object must not be same as the
values of the following objects:
cewredTxValue,
cewredRxValue,
cewredRxMulticastValue.