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99 lines
2.8 KiB
Groff
99 lines
2.8 KiB
Groff
.\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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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. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 14, 2002
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.Dt L2PING 8
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.Os
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.Sh NAME
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.Nm l2ping
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.Nd send L2CAP ECHO_REQUEST to remote devices
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.Sh SYNOPSIS
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.Nm
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.Op Fl a Ar BD_ADDR
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.Op Fl S Ar BD_ADDR
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.Op Fl c Ar count
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.Op Fl f
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.Op Fl i Ar delay
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.Op Fl s Ar size
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.Sh DESCRIPTION
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The
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.Nm
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uses L2CAP
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.Dv ECHO_REQUEST
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datagram to elicit a L2CAP
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.Dv ECHO_RESPONSE
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from a remote device.
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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 a Ar BD_ADDR
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Address of remote device to ping.
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Example:
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.Fl a Li 00:01:02:03:04:05 .
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.It Fl S Ar BD_ADDR
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Send L2CAP
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.Dv ECHO_REQUEST
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from local device that has
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.Ar BD_ADDR .
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Example:
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.Fl S Li 00:05:04:03:02:01 .
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.It Fl c Ar count
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Number of packets to send.
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If this option is not specified,
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.Nm
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will operate until interrupted.
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.It Fl f
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.Dq Flood
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ping, i.e., no delay between packets.
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.It Fl i Ar wait
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Wait
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.Ar wait
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seconds between sending each packet.
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The default is to wait for one
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second between each packet.
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This option is ignored if
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.Fl f
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has been specified.
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.It Fl s Ar size
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Specify the number of payload bytes to be sent.
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The default is 64.
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The maximum size is 65531.
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Use this option with caution.
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Some implementations may not like large sizes and may hang or even crash.
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.El
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.Sh BUGS
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Could collect more statistics.
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Could check for duplicated, corrupted and lost packets.
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.Sh DIAGNOSTICS
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.Ex -std
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.Sh SEE ALSO
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.Xr netgraph 3 ,
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.Xr netgraph 4 ,
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.Xr ng_l2cap 4 ,
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.Xr l2control 8
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.Sh AUTHORS
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.An Maksim Yevmenkin Aq m_evmenkin@yahoo.com
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