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<HTML><HEAD><TITLE>Man page of IPSEC_TNCFG</TITLE>
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Section: File Formats (5)<BR>Updated: 27 Jun 2000<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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ipsec_tncfg - lists IPSEC virtual interfaces attached to real interfaces
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<A NAME="lbAC"> </A>
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<B>/proc/net/ipsec_tncfg</B>
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<A NAME="lbAD"> </A>
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<I>/proc/net/ipsec_tncfg</I>
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is a read-only file which lists which IPSEC virtual interfaces are
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attached to which real interfaces, through which packets will be
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forwarded once processed by IPSEC.
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Each line lists one ipsec I/F.
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A table entry consists of:
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an ipsec virtual I/F name
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a visual and machine parsable separator '->', separating the virtual I/F
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a physical I/F name, to which the ipsec virtual I/F is attached or NULL
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if it is not attached,
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the MTU of the ipsec virtual I/F,
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the automatically adjusted effective MTU for PMTU discovery, in brackets,
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a visual and machine parsable separator '->', separating the virtual I/F
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MTU and the physical I/F MTU,
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the MTU of the attached physical I/F.
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<DT><B>ipsec2 -> eth3 mtu=16260(1443) -> 1500</B>
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shows that virtual device
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is connected to physical device
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and that the effective MTU as a result of PMTU discovery has been
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<DT><B>ipsec0 -> wvlan0 mtu=1400(16260) -> 1500</B>
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shows that virtual device
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is connected to physical device
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and no PMTU packets have gotten far enough to bump down the effective MTU
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from its default of 16260.
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<DT><B>ipsec3 -> NULL mtu=0(0) -> 0</B>
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shows that virtual device
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is not connected to any physical device.
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<A NAME="lbAE"> </A>
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/proc/net/ipsec_tncfg, /usr/local/bin/ipsec
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<A NAME="lbAF"> </A>
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<A HREF="/cgi-bin/man/man2html?8+ipsec">ipsec</A>(8), <A HREF="/cgi-bin/man/man2html?8+ipsec_manual">ipsec_manual</A>(8), <A HREF="/cgi-bin/man/man2html?5+ipsec_eroute">ipsec_eroute</A>(5), <A HREF="/cgi-bin/man/man2html?5+ipsec_spi">ipsec_spi</A>(5),
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<A HREF="/cgi-bin/man/man2html?5+ipsec_spigrp">ipsec_spigrp</A>(5), <A HREF="/cgi-bin/man/man2html?5+ipsec_klipsdebug">ipsec_klipsdebug</A>(5), <A HREF="/cgi-bin/man/man2html?8+ipsec_tncfg">ipsec_tncfg</A>(8), <A HREF="/cgi-bin/man/man2html?5+ipsec_version">ipsec_version</A>(5),
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<A HREF="/cgi-bin/man/man2html?5+ipsec_pf_key">ipsec_pf_key</A>(5)
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<A NAME="lbAG"> </A>
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Written for the Linux FreeS/WAN project
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<<A HREF="http://www.freeswan.org/">http://www.freeswan.org/</A>>
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by Richard Guy Briggs.
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<A NAME="index"> </A><H2>Index</H2>
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<DT><A HREF="#lbAB">NAME</A><DD>
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<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT><A HREF="#lbAE">FILES</A><DD>
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<DT><A HREF="#lbAF">SEE ALSO</A><DD>
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<DT><A HREF="#lbAG">HISTORY</A><DD>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 10:29:43 GMT, June 17, 2004