--- doc/openvpn.8 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/doc/openvpn.8 b/doc/openvpn.8 index 9760e8b..ef77b29 100644 --- a/doc/openvpn.8 +++ b/doc/openvpn.8 @@ -1381,7 +1381,11 @@ parameter is interpreted in the same way as the .B \-\-link\-mtu parameter, i.e. the UDP packet size after encapsulation overhead has been added in, but not including -the UDP header itself. +the UDP header itself. Resulting packet would be at most 28 +bytes larger for IPv4 and 48 bytes for IPv6 (20/40 bytes for IP +header and 8 bytes for UDP header). Default value of 1450 allows +IPv4 packets to be transmitted over a link with MTU 1473 or higher +without IP level fragmentation. The .B \-\-mssfix -- 2.7.0
