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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" From: @(#)slstat.8 6.8 (Berkeley) 6/20/91 33.\" $FreeBSD: src/usr.sbin/slstat/slstat.8,v 1.14.2.2 2001/08/16 15:56:33 ru Exp $ 34.\" $DragonFly: src/usr.sbin/slstat/slstat.8,v 1.3 2006/05/21 14:15:06 swildner Exp $ 35.\" 36.Dd October 11, 1996 37.Dt SLSTAT 8 38.Os 39.Sh NAME 40.Nm slstat 41.Nd report serial line IP statistics 42.Sh SYNOPSIS 43.Nm 44.Op Fl i Ar interval 45.Op Fl vr 46.Op Ar unit 47.Sh DESCRIPTION 48The 49.Nm 50utility 51reports certain kernel statistics kept about serial line internet 52protocol traffic. 53.Pp 54The options are as follows: 55.Bl -tag -width indent 56.It Fl i 57Repeat the display indefinitely every 58.Ar interval 59seconds. 60If no 61.Ar interval 62is specified, the default is 5 seconds. 63.It Fl v 64Verbose display of extra fields of information. 65.It Fl r 66Display all values in rate per second rather than amount per interval. 67.It Ar unit 68Is number specifying the 69.Tn SLIP 70interface, or a 71.Tn SLIP 72interface name. 73The default unit is 74.Sy 0 75for interface 76.Sy sl0 . 77.El 78.Pp 79By default, 80.Nm 81displays the following information: 82.Pp 83.Bl -tag -width indent 84.It in 85bytes received 86.It out 87bytes sent 88.It pack 89packets received or sent 90.It comp 91compressed packets received or sent 92.It uncomp 93uncompressed packets received or sent 94.It unknwn 95inbound packets of unknown type 96.It toss 97inbound packets tossed because of error 98.It other 99all other inbound or outbound ip packets 100.It err 101input or output errors 102.It search 103searches for connection state 104.It miss 105times we could not find a connection state 106.It coll 107collisions with end of clists. 108If you get many collisions (more than one or two 109a day) you probably do not have enough clists 110and you should increase 111.Dv nclist 112in param.c. 113.El 114.Sh EXAMPLES 115The command: 116.Dl slstat -i 5 117will print what the system is doing every five 118seconds. 119.Sh SEE ALSO 120.Xr fstat 1 , 121.Xr netstat 1 , 122.Xr nfsstat 1 , 123.Xr ps 1 , 124.Xr systat 1 , 125.Xr iostat 8 , 126.Xr pppstats 8 , 127.Xr pstat 8 128.Pp 129The sections starting with ``Interpreting system activity'' in 130.%T "Installing and Operating 4.3BSD" . 131