1.\" $OpenBSD: pppx.4,v 1.4 2015/09/14 17:09:26 schwarze Exp $ 2.\" 3.\" Copyright (c) 2013 YASUOKA Masahiko <yasuoka@yasuoka.net> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: September 14 2015 $ 18.Dt PPPX 4 19.Os 20.Sh NAME 21.Nm pppx 22.Nd PPP multiplexer device 23.Sh SYNOPSIS 24.Cd "pseudo-device pppx" 25.Pp 26.In sys/socket.h 27.In sys/ioctl.h 28.In net/pipex.h 29.Sh DESCRIPTION 30The 31.Nm 32driver works with the 33.Xr npppd 8 34daemon, 35allocating a network interface for each Point-to-Point Protocol (PPP) 36session by request from the daemon. 37It also works with 38.Xr pipex 4 39to accelerate the performance of packet forwarding and supports ioctls 40which are added by 41.Xr pipex 4 . 42.Pp 43To use 44.Nm 45from 46.Xr npppd 8 47the administrator needs to configure the interface configuration in 48.Xr npppd.conf 5 . 49Also the administrator needs to enable 50.Xr pipex 4 51by setting 52.Va net.pipex.enable 53to 54.Sq 1 55using 56.Xr sysctl 8 . 57.Sh SEE ALSO 58.Xr inet 4 , 59.Xr inet6 4 , 60.Xr pipex 4 , 61.Xr hostname.if 5 , 62.Xr npppd.conf 5 , 63.Xr netstart 8 , 64.Xr npppd 8 , 65.Xr sysctl 8 66.Sh HISTORY 67The 68.Nm 69driver first appeared in 70.Ox 5.3 . 71.Sh AUTHORS 72.An David Gwynne Aq Mt dlg@openbsd.org 73.An Claudio Jeker Aq Mt claudio@openbsd.org 74