19c749625f
ISDN4BSD is the work of our brand-new comitter: Hellmuth Michaelis, who has done a tremendous amount of work to bring us this far. There are still some outstanding issues and files to bring into the tree, and for now it will be needed to pick up all the extra docs from the isdn4bsd release. It is probably also a very good idea to subscribe to the isdn@freebsd.org mailing list before you try this out. These files correspond to release "beta Version 0.70.00 / December 1998" from Hellmuth.
108 lines
3.0 KiB
Groff
108 lines
3.0 KiB
Groff
.\"
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.\" Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: i4bisppp.4,v 1.9 1998/12/22 19:16:57 hm Exp $
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.\"
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.\" last edit-date: [Tue Dec 22 20:15:08 1998]
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.\"
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.Dd December 22, 1998
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.Dt i4bisppp 4
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.Sh NAME
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.Nm i4bisppp
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.Nd isdn4bsd synchronous PPP over ISDN B-channel network driver
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.Sh FreeBSD SYNOPSIS
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.Cd pseudo-device \&"i4bisppp\&" Op count
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.Sh NetBSD SYNOPSIS
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none
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.Sh DESCRIPTION
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The
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.Nm
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driver interfaces the IP subsystem of the operating system with the
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isdn4bsd package so that a transport of IP packets over an ISDN link
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is possible.
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.Pp
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The driver is just a glue layer between Serge Vakulenko's sppp
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backend and the ISDN4BSD package.
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.Pp
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In case an IP packet for a remote side arrives in the driver and no
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connection is established yet, the driver communicates with the
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.Xr isdnd 8
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daemon to establish a connection.
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.Pp
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The driver has support for interfacing to the
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.Xr bpf 4
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subsystem for using
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.Xr tcpdump 1
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with the
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.Nm isp
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interfaces.
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.Pp
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The
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.Xr spppcontrol 8
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utility is used to configure all aspects of PPP required to connect to a
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remote site.
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.Sh LINK0 and LINK1
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The
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.Em link0
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and
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.Em link1
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flags given as parameters to
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.Xr ifconfig 8
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have the following meaning for the
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.Nm isp
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devices:
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.Bl -tag -width link0 -compact
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.Pp
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.It Li link0
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wait passively for connection
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.Pp
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.It Li link1
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auto-dial on output
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.El
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.Pp
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The
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.Em link0
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and
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.Em link1
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flags are set to
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.Em off
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by default.
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.Pp
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See
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.Xr sppp 4
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for a more detailed discussion of the flags,
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.Pp
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.Sh SEE ALSO
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.Xr isdnd 8
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.Xr isdnd.rc 5
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.Xr spppcontrol 8
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.Xr sppp 4
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.Xr bpf 4
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.Xr tcpdump 1
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.Sh AUTHOR
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The
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.Nm
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device driver was written by Joerg Wunsch and then added to ISDN4BSD by Gary Jennejohn.
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This manpage was written by Hellmuth Michaelis. He can be contacted at hm@kts.org.
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