spray.tproj/spray.8

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  24 .Dd July 10, 1995
  25 .Dt SPRAY 8
  26 .Os
  27 .Sh NAME
  28 .Nm spray
  29 .Nd send many packets to host
  30 .Sh SYNOPSIS
  31 .Nm spray
  32 .Op Fl c Ar count
  33 .Op Fl d Ar delay
  34 .Op Fl l Ar length
  35 .Ar host
  36 \&...
  37 .Sh DESCRIPTION
  38 .Nm Spray
  39 sends multiple RPC packets to
  40 .Ar host
  41 and records how many of them were correctly received and how long it took.
  42 .Pp
  43 The options are as follows:
  44 .Bl -tag -width indent
  45 .It Fl c Ar count
  46 Send
  47 .Ar count
  48 packets.
  49 .It Fl d Ar delay
  50 Pause
  51 .Ar delay
  52 microseconds between sending each packet.
  53 .It Fl l Ar length
  54 Set the length of the packet that holds the RPC call message to
  55 .Ar length
  56 bytes.
  57 Not all values of
  58 .Ar length
  59 are possible because RPC data is encoded using XDR.
  60 .Nm Spray
  61 rounds up to the nearest possible value.
  62 .El
  63 .Pp
  64 .Nm Spray
  65 is intended for use in network testing, measurement, and management.
  66 This command
  67 .Bf -emphasis
  68 can be very hard on a network and should be used with caution.
  69 .Ef
  70 .Pp
  71 .Sh SEE ALSO
  72 .Xr netstat 1 ,
  73 .Xr ifconfig 8 ,
  74 .Xr ping 8