NetBSD/share/man/man4/ppp.4

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.\" $NetBSD: ppp.4,v 1.3 1998/04/30 08:50:09 fair Exp $
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.\" From: @(#)lo.4 8.1 (Berkeley) 6/5/93
.\"
.Dd August 10, 1996
.Dt PPP 4
.Os NetBSD
.Sh NAME
.Nm ppp
.Nd point to point protocol network interface
.Sh SYNOPSIS
.Nm pseudo-device ppp
.Op Ar count
.Sh DESCRIPTION
The
.Nm
interface allows serial lines to be used as network interfaces using the
.Em Point-to-Point Protocol
(PPP).
The
.Nm
interface can use various types of compression and has many features
over the SLIP protocol used by the
.Xr sl 4
interface.
.Sh DIAGNOSTICS
.Bl -diag
.It ppp%d: af%d not supported.
The interface was handed
a message with addresses formatted in an unsuitable address
family; the packet was dropped.
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr inet 4 ,
.Xr sl 4 ,
.Xr pppd 8 ,
.Xr pppstats 8
.Rs
.%R RFC
.%N 1661
.%D July 1994
.%T "The Point-to-Point Protocol (PPP)"
.Re
.Sh BUGS
Currently, only the
.Xr ip 4
protocol is supported.
.Sh HISTORY
The
.Nm
device appeared in
.Nx 1.0 .