The higher threshold limit for the number of MAC addresses
entries on this interface. The instance value of this
clcIfMacLimitHigh must be greater than the instance value
of the clcIfMacLimitLow of the same row, only when the
value is not zero.
When the instance value of this object is set to 0, no higher
threshold limit will be applied for this Vlan and the
corresponding instance value of clcIfMacLimitHighExceedAction
of the same row has no effect.
The default value of this MIB object is the value of
clcMacLimitHighDefault.