1.\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: l2ping.8,v 1.3 2003/05/21 01:00:19 max Exp $ 26.\" $FreeBSD$ 27.\" 28.Dd June 14, 2002 29.Dt L2PING 8 30.Os 31.Sh NAME 32.Nm l2ping 33.Nd send L2CAP ECHO_REQUEST to remote devices 34.Sh SYNOPSIS 35.Nm 36.Op Fl fh 37.Fl a Ar BD_ADDR 38.Op Fl c Ar count 39.Op Fl i Ar delay 40.Op Fl S Ar BD_ADDR 41.Op Fl s Ar size 42.Sh DESCRIPTION 43The 44.Nm 45utility uses L2CAP 46.Dv ECHO_REQUEST 47datagram to elicit an L2CAP 48.Dv ECHO_RESPONSE 49from a remote device. 50.Pp 51The options are as follows: 52.Bl -tag -width indent 53.It Fl a Ar BD_ADDR 54Address of remote device to ping. 55Example: 56.Fl a Li 00:01:02:03:04:05 . 57.It Fl c Ar count 58Number of packets to send. 59If this option is not specified, 60.Nm 61will operate until interrupted. 62.It Fl f 63.Dq Flood 64ping, i.e., no delay between packets. 65.It Fl h 66Display usage message and exit. 67.It Fl i Ar wait 68Wait 69.Ar wait 70seconds between sending each packet. 71The default is to wait for one second between each packet. 72This option is ignored if 73.Fl f 74has been specified. 75.It Fl S Ar BD_ADDR 76Send L2CAP 77.Dv ECHO_REQUEST 78from local device that has 79.Ar BD_ADDR . 80Example: 81.Fl S Li 00:05:04:03:02:01 . 82.It Fl s Ar size 83Specify the number of payload bytes to be sent. 84The default is the minimum L2CAP MTU minus the size of the L2CAP signalling 85command header (44 bytes). 86The maximum size is 65531. 87Use this option with caution. 88Some implementations may not like large sizes and may hang or even crash. 89.El 90.Sh BUGS 91Could collect more statistic. 92Could check for duplicated, corrupted and lost packets. 93.Sh DIAGNOSTICS 94.Ex -std 95.Sh SEE ALSO 96.Xr netgraph 3 , 97.Xr netgraph 4 , 98.Xr ng_l2cap 4 , 99.Xr l2control 8 100.Sh AUTHORS 101.An Maksim Yevmenkin Aq m_evmenkin@yahoo.com 102