The value of tmnxBsxIsaAaGrpOverloadCutThru specifies whether or
not overload cut-through is enabled. If enabled and an ISA
overloads, all traffic is cut-through with no application
identification or application specific policies applied until
the ISA is no longer overloaded. Statistics are counter per
subscriber against the cut-through protocol. If disabled
and an ISA overloads, no action is taken.