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Document that an open call on /dev/tunN also creates new interfaces.

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While here, use .Cm for command modifiers.
This commit is contained in:
peter 2004-12-05 13:26:39 +00:00
parent 53bdda7819
commit d47c7d9500
1 changed files with 5 additions and 6 deletions
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11
share/man/man4/tun.4
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@ -1,4 +1,4 @@
.\" $NetBSD: tun.4,v 1.15 2004/11/22 17:17:24 peter Exp $
.\" $NetBSD: tun.4,v 1.16 2004/12/05 13:26:39 peter Exp $
.\"
.\" Copyright (c) 1996-2003 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -75,16 +75,15 @@ To use a
device, the administrator must first create the interface. This can
be done by using the
.Xr ifconfig 8
.Sq create
.Cm create
command, or via the
.Dv SIOCIFCREATE
ioctl. Note that an
ioctl. An
.Fn open
call on
.Pa /dev/tun Ns Sy N ,
will indicate that the device is not configured
.Pq Er ENXIO
unless the corresponding network interface has been created.
will also create a network interface with the same unit number of
that device if it doesn't exists yet.
.Pp
The network interfaces should be named
.Sy tun Ns Ar 0 ,