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gre.4 (210933) gre.4 (233648)
1.\" $NetBSD: gre.4,v 1.28 2002/06/10 02:49:35 itojun Exp $
2.\"
3.\" Copyright 1998 (c) The NetBSD Foundation, Inc.
4.\" All rights reserved.
5.\"
6.\" This code is derived from software contributed to The NetBSD Foundation
7.\" by Heiko W.Rupp <hwr@pilhuhn.de>
8.\"

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22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28.\" POSSIBILITY OF SUCH DAMAGE.
29.\"
1.\" $NetBSD: gre.4,v 1.28 2002/06/10 02:49:35 itojun Exp $
2.\"
3.\" Copyright 1998 (c) The NetBSD Foundation, Inc.
4.\" All rights reserved.
5.\"
6.\" This code is derived from software contributed to The NetBSD Foundation
7.\" by Heiko W.Rupp <hwr@pilhuhn.de>
8.\"

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22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28.\" POSSIBILITY OF SUCH DAMAGE.
29.\"
30.\" $FreeBSD: head/share/man/man4/gre.4 210933 2010-08-06 14:33:42Z joel $
30.\" $FreeBSD: head/share/man/man4/gre.4 233648 2012-03-29 05:02:12Z eadler $
31.\"
32.Dd June 20, 2008
33.Dt GRE 4
34.Os
35.Sh NAME
36.Nm gre
37.Nd encapsulating network device
38.Sh SYNOPSIS

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332.Nm
333interface itself.
334.Pp
335The current implementation uses the key only for outgoing packets.
336Incoming packets with a different key or without a key will be treated as if they
337would belong to this interface.
338.Pp
339RFC1701 is not fully supported, however all unsupported features have been
31.\"
32.Dd June 20, 2008
33.Dt GRE 4
34.Os
35.Sh NAME
36.Nm gre
37.Nd encapsulating network device
38.Sh SYNOPSIS

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332.Nm
333interface itself.
334.Pp
335The current implementation uses the key only for outgoing packets.
336Incoming packets with a different key or without a key will be treated as if they
337would belong to this interface.
338.Pp
339RFC1701 is not fully supported, however all unsupported features have been
340deprecated in RFC2784.
340deprecated in RFC2784.