WRED IP precedence/DSCP configuration table entry.
If the WRED configuration is per interface based,
an entry of this table is created/deleted when
a combination of interface and cewredConfigRedValue
is associated/disassociated respectively with
random early detection.
On the receive side, an entry of this
table is created or deleted when a combination
of entries representing cewredConfigGlobIndex
and cewredConfigRedValue is
associated/disassociated respectively with random
early detection.