The excess rate policed DSCP value which the DSCP values maps
to. If the value of caqFlowPolicerExcessRateSupport object is
false(2), this object cannot be instantiated. The excess rate
default DSCP mapping of DSCP to 'marked down' DSCP is the
identity function.
That is:
63 -> 63
62 -> 62
...
31 -> 31
...
2 -> 2
1 -> 1
0 -> 0.