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authorcinap_lenrek <cinap_lenrek@felloff.net>2017-11-18 16:03:44 +0100
committercinap_lenrek <cinap_lenrek@felloff.net>2017-11-18 16:03:44 +0100
commit4a684fc627175ee27833d5fcc9569510fa04dfcd (patch)
treedc9dbefb51d0692cf0700689fd8f7bb043e9340e /sys/man
parent435a9a150ea5d3eae891503be0224ea9c9d29bab (diff)
6in4: add -m mtu option to specify outer MTU
instead of hardcoding the tunnel interface MTU to 1280, we calculate the tunnel MTU from the outside MTU, which can now be specified with the -m mtu option. The deault outside MTU is 1500 - 8 (PPPoE).
Diffstat (limited to 'sys/man')
-rw-r--r--sys/man/8/6in411
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/man/8/6in4 b/sys/man/8/6in4
index 6e44d2a96..d34c652ac 100644
--- a/sys/man/8/6in4
+++ b/sys/man/8/6in4
@@ -6,6 +6,9 @@
[
.B -ag
] [
+.B -m
+.I mtu
+] [
.B -x
.I netmtpt
] [
@@ -26,6 +29,9 @@
[
.B -g
] [
+.B -m
+.I mtu
+] [
.B -x
.I netmtpt
] [
@@ -104,6 +110,11 @@ non-loopback address of the outside IP stack.
.B -g
use the tunnel as the default route for global IPv6 addresses
.TP
+.B -m
+.I mtu
+specifies the outside MTU in bytes from which the inside
+tunnel MTU is derived. Deaults to 1500 - 8 (Ethernet - PPPoE).
+.TP
.B -x
use the network mounted at
.I netmtpt