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author | thompsa <thompsa@FreeBSD.org> | 2008-06-20 17:26:34 +0000 |
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committer | thompsa <thompsa@FreeBSD.org> | 2008-06-20 17:26:34 +0000 |
commit | 0c235e44e0fb17bd33556dadd61d7697ab1920d5 (patch) | |
tree | a90b65055cf5a78462a29c060cc9bd280ab22b9d /sbin/ifconfig/ifconfig.8 | |
parent | bf94b8a5bffc3904edd54af89110562e9fe1a2dc (diff) | |
download | FreeBSD-src-0c235e44e0fb17bd33556dadd61d7697ab1920d5.zip FreeBSD-src-0c235e44e0fb17bd33556dadd61d7697ab1920d5.tar.gz |
Add support for the optional key in the GRE header.
PR: kern/114714
Submitted by: Cristian KLEIN
Diffstat (limited to 'sbin/ifconfig/ifconfig.8')
-rw-r--r-- | sbin/ifconfig/ifconfig.8 | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8 index 22adfaa..b7302fc 100644 --- a/sbin/ifconfig/ifconfig.8 +++ b/sbin/ifconfig/ifconfig.8 @@ -28,7 +28,7 @@ .\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94 .\" $FreeBSD$ .\" -.Dd April 11, 2008 +.Dd June 20, 2008 .Dt IFCONFIG 8 .Os .Sh NAME @@ -2011,6 +2011,16 @@ Another name for the parameter. .El .Pp +The following parameters are specific to GRE tunnel interfaces, +.Xr gre 4 : +.Bl -tag -width indent +.It Cm grekey Ar key +Configure the GRE key to be used for outgoing packets. +Note that +.Xr gre 4 will always accept GRE packets with invalid or absent keys. +This command will result in a four byte MTU reduction on the interface. +.El +.Pp The following parameters are specific to .Xr pfsync 4 interfaces: |