The maximum of InformRequest PDUs that will be outstanding,
awaiting for Response PDUs from this Management Client.
When the maximum number has been reached, consectutive
InformRequest PDUs will be discarded (i.e. not sent.)
Increasing this number will increase the memory consumed
by the GSX software and the CPU time required to process
the InformRequest PDUs. This MIB object does not apply to
SNMPv1 or SNMPv2 Trap PDUs.