.B ipsec
.B tncfg
.PP
.B ipsec
.B tncfg
.B \-\-attach
.B \-\-virtual
virtual
.B \-\-physical
physical
.PP
.B ipsec
.B tncfg
.B \-\-detach
.B \-\-virtual
virtual
.PP
.B ipsec
.B tncfg
.B \-\-clear
.PP
.B ipsec
.B tncfg
.B \-\-version
.PP
.B ipsec
.B tncfg
.B \-\-help
.SH DESCRIPTION
.I Tncfg
attaches/detaches IPSEC virtual interfaces to/from
physical interfaces,
through which packets will be forwarded once processed by IPSEC.
.PP
The form with no additional arguments lists the contents of
/proc/net/ipsec_tncfg.  The format of /proc/net/ipsec_tncfg is discussed
in ipsec_tncfg(5).
The
.B \-\-attach
form attaches the
.I virtual
interface to the
.I physical
one.
The
.B \-\-detach
form detaches the
.I virtual
interface from whichever physical interface it is attached to.
The
.B \-\-clear
form clears all the
virtual device to the
.B eth0
physical device.
.LP
.SH "FILES"
/proc/net/ipsec_tncfg, /usr/bin/ipsec
.SH "SEE ALSO"
ipsec(8), ipsec_manual(8), ipsec_eroute(8), ipsec_spi(8),
ipsec_spigrp(8), ipsec_klipsdebug(8), ipsec_tncfg(5)
.SH HISTORY
Written for the Linux FreeS/WAN project
ipsec_version(5) and ipsec_pf_key(5)
.\" and correct FILES sections to no longer refer to /dev/ipsec which has
.\" been removed since PF_KEY does not use it.
.\"
.\" Revision 1.12  2000/06/21 16:54:58  rgb
.\" Added 'no additional args' text for listing contents of
.\" /proc/net/ipsec_* files.
.\"
.\" Revision 1.11  1999/07/19 18:47:25  henry
.\" fix slightly-misformed comments
.\"
.\" Revision 1.10  1999/04/06 04:54:39  rgb
.\" Fix/Add RCSID Id: and Log: bits to make PHMDs happy.  This includes
.\" patch shell fixes.
.\"