1.\" Copyright (c) 1986 The Regents of the University of California. 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.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" From: @(#)slstat.8 6.8 (Berkeley) 6/20/91 29.\" $FreeBSD: src/usr.sbin/slstat/slstat.8,v 1.14.2.2 2001/08/16 15:56:33 ru Exp $ 30.\" 31.Dd October 17, 2017 32.Dt SLSTAT 8 33.Os 34.Sh NAME 35.Nm slstat 36.Nd report serial line IP statistics 37.Sh SYNOPSIS 38.Nm 39.Op Fl i Ar interval 40.Op Fl vr 41.Op Ar unit 42.Sh DESCRIPTION 43The 44.Nm 45utility 46reports certain kernel statistics kept about serial line internet 47protocol traffic. 48.Pp 49The options are as follows: 50.Bl -tag -width indent 51.It Fl i 52Repeat the display indefinitely every 53.Ar interval 54seconds. 55If no 56.Ar interval 57is specified, the default is 5 seconds. 58.It Fl v 59Verbose display of extra fields of information. 60.It Fl r 61Display all values in rate per second rather than amount per interval. 62.It Ar unit 63Is number specifying the 64.Tn SLIP 65interface, or a 66.Tn SLIP 67interface name. 68The default unit is 69.Sy 0 70for interface 71.Sy sl0 . 72.El 73.Pp 74By default, 75.Nm 76displays the following information: 77.Bl -tag -width indent 78.It in 79bytes received 80.It out 81bytes sent 82.It pack 83packets received or sent 84.It comp 85compressed packets received or sent 86.It uncomp 87uncompressed packets received or sent 88.It unknwn 89inbound packets of unknown type 90.It toss 91inbound packets tossed because of error 92.It other 93all other inbound or outbound ip packets 94.It err 95input or output errors 96.It search 97searches for connection state 98.It miss 99times we could not find a connection state 100.It coll 101collisions with end of clists. 102If you get many collisions (more than one or two 103a day) you probably do not have enough clists 104and you should increase 105.Dv nclist 106in param.c. 107.El 108.Sh EXAMPLES 109The command: 110.Dl slstat -i 5 111will print what the system is doing every five 112seconds. 113.Sh SEE ALSO 114.Xr fstat 1 , 115.Xr netstat 1 , 116.Xr nfsstat 1 , 117.Xr ps 1 , 118.Xr systat 1 , 119.Xr iostat 8 , 120.Xr pstat 8 121.Pp 122The sections starting with ``Interpreting system activity'' in 123.%T "Installing and Operating 4.3BSD" . 124