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head/share/man/man4/gre.4
| Show All 23 Lines | |||||
| .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||||
| .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||||
| .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||||
| .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||||
| .\" POSSIBILITY OF SUCH DAMAGE. | .\" POSSIBILITY OF SUCH DAMAGE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd April 24, 2019 | .Dd June 29, 2020 | ||||
| .Dt GRE 4 | .Dt GRE 4 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm gre | .Nm gre | ||||
| .Nd encapsulating network device | .Nd encapsulating network device | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| To compile the | To compile the | ||||
| driver into the kernel, place the following line in the kernel | driver into the kernel, place the following line in the kernel | ||||
| ▲ Show 20 Lines • Show All 173 Lines • ▼ Show 20 Lines | |||||
| .Xr gif 4 , | .Xr gif 4 , | ||||
| .Xr inet 4 , | .Xr inet 4 , | ||||
| .Xr ip 4 , | .Xr ip 4 , | ||||
| .Xr me 4 , | .Xr me 4 , | ||||
| .Xr netintro 4 , | .Xr netintro 4 , | ||||
| .Xr protocols 5 , | .Xr protocols 5 , | ||||
| .Xr ifconfig 8 , | .Xr ifconfig 8 , | ||||
| .Xr sysctl 8 | .Xr sysctl 8 | ||||
| .Sh STANDARDS | |||||
| .Rs | |||||
| .%A S. Hanks | |||||
| .%A "T. Li" | |||||
| .%A D. Farinacci | |||||
| .%A P. Traina | |||||
| .%D October 1994 | |||||
| .%R RFC 1701 | |||||
| .%T Generic Routing Encapsulation (GRE) | |||||
| .Re | |||||
| .Pp | .Pp | ||||
| A description of GRE encapsulation can be found in RFC 2784 and RFC 2890. | .Rs | ||||
| .%A S. Hanks | |||||
| .%A "T. Li" | |||||
| .%A D. Farinacci | |||||
| .%A P. Traina | |||||
| .%D October 1994 | |||||
| .%R RFC 1702 | |||||
| .%T Generic Routing Encapsulation over IPv4 networks | |||||
| .Re | |||||
| .Pp | |||||
| .Rs | |||||
| .%A D. Farinacci | |||||
| .%A "T. Li" | |||||
| .%A S. Hanks | |||||
| .%A D. Meyer | |||||
| .%A P. Traina | |||||
| .%D March 2000 | |||||
| .%R RFC 2784 | |||||
| .%T Generic Routing Encapsulation (GRE) | |||||
| .Re | |||||
| .Pp | |||||
| .Rs | |||||
| .%A G. Dommety | |||||
| .%D September 2000 | |||||
| .%R RFC 2890 | |||||
| .%T Key and Sequence Number Extensions to GRE | |||||
| .Re | |||||
| .Sh AUTHORS | .Sh AUTHORS | ||||
| .An Andrey V. Elsukov Aq Mt ae@FreeBSD.org | .An Andrey V. Elsukov Aq Mt ae@FreeBSD.org | ||||
| .An Heiko W.Rupp Aq Mt hwr@pilhuhn.de | .An Heiko W.Rupp Aq Mt hwr@pilhuhn.de | ||||
| .Sh BUGS | .Sh BUGS | ||||
| The current implementation uses the key only for outgoing packets. | The current implementation uses the key only for outgoing packets. | ||||
| Incoming packets with a different key or without a key will be treated as if they | Incoming packets with a different key or without a key will be treated as if they | ||||
| would belong to this interface. | would belong to this interface. | ||||
| .Pp | .Pp | ||||
| The sequence number field also used only for outgoing packets. | The sequence number field also used only for outgoing packets. | ||||