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NSTRPUSH(5)							   NSTRPUSH(5)

NAME
       NSTRPUSH - maximum number of STREAMS modules in a single stream

VALUES
   Failsafe
   Default
   Allowed values
   Recommended values
DESCRIPTION
       This  tunable defines the maximum number of STREAMS modules that can be
       pushed onto a stream.  This provides some protection  against  run-away
       processes  that	might  automatically  select  modules  to  push onto a
       stream.	It is not intended as  a  defense  against  malicious  use  of
       STREAMS modules by system users.

       Most  systems do not require more than about three or four modules in a
       stream.	However, there may be some unusual cases  where	 more  modules
       are  needed.   The  default value for this tunable allows as many as 16
       modules in a stream, which should  be  sufficient  for  even  the  most
       demanding installations and applications.

   Who Is Expected to Change This Tunable?
       Any customer.

   Restrictions on Changing
       Changes to this tunable take effect at next reboot.

   When Should the Value of This Tunable Be Raised?
       When  the  customer  needs  to  push  more  STREAMS modules in a single
       stream.

   What Are the Side Effects of Raising the Value of This Tunable?
       Might allow run-away applications to unduly consume system resources.

   When Should the Value of This Tunable Be Lowered?
       There is no need to lower the tunable value from the default value.

   What Are the Side Effects of Lowering the Value of This Tunable?
       Too low of a value might cause network commands to fail.

   What Other Tunable Should Be Changed at the Same Time as This One?
       None.

WARNINGS
       All HP-UX kernel tunable parameters are release specific.  This parame‐
       ter  may	 be  removed or have its meaning changed in future releases of
       HP-UX.

       Installation of optional kernel software, from HP or other vendors, may
       cause  changes  to  tunable parameter values.  After installation, some
       tunable parameters may no longer be at the default or recommended  val‐
       ues.  For information about the effects of installation on tunable val‐
       ues, consult the documentation for the kernel software being installed.
       For  information	 about	optional  kernel  software  that  was  factory
       installed on your system, see at

AUTHOR
       was developed by HP.

			   Tunable Kernel Parameters		   NSTRPUSH(5)

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