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d021b6c07a
imported the spray command from NetBSD - it can be used for network analysis (see the man-page)
77 lines
2.2 KiB
Groff
77 lines
2.2 KiB
Groff
.\"
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.\" Copyright (c) 1994 James A. Jegers
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd July 10, 1995
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.Dt SPRAY 8
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.Os FreeBSD
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.Sh NAME
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.Nm spray
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.Nd send many packets to host
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.Sh SYNOPSIS
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.Nm spray
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.Op Fl c Ar count
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.Op Fl d Ar delay
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.Op Fl l Ar length
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.Ar host
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\&...
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.Ek
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.Sh DESCRIPTION
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.Nm Spray
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sends multiple RPC packets to
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.Ar host
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and records how many of them were correctly received and how long it took.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl c Ar count
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Send
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.Ar count
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packets.
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.It Fl d Ar delay
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Pause
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.Ar delay
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microseconds between sending each packet.
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.It Fl l Ar length
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Set the length of the packet that holds the RPC call message to
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.Ar length
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bytes.
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Not all values of
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.Ar length
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are possible because RPC data is encoded using XDR.
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.Nm Spray
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rounds up to the nearest possible value.
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.El
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.Pp
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.Nm Spray
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is intended for use in network testing, measurement, and management.
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This command
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.Bf -emphasis
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can be very hard on a network and should be used with caution.
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.Ef
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.Pp
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.Sh SEE ALSO
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.Xr netstat 1 ,
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.Xr ifconfig 8 ,
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.Xr ping 8 ,
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.Xr rpc.sprayd 8
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