ACK. Sorry for the long delay. Tested against reference tap server with "--mssfix 1000", verified with tcpdump without/with the patch and IPv4 and IPv6 TCP SYNs.
Your patch has been applied to the master and release/2.3 branches. commit db037c20086587a609ef33127c15de080270f2cb (master) commit 7227af1131a5d7ae2ea4d8d1cd3cba3001440326 (release/2.3) Author: Dmitrij Tejblum List-Post: openvpn-devel@lists.sourceforge.net Date: Sat Feb 8 19:33:49 2014 +0400 Fix is_ipv6 in case of tap interface. Signed-off-by: Dmitrij Tejblum <d...@yandex.ru> Acked-by: Gert Doering <g...@greenie.muc.de> Message-Id: <1391873629-14388-1-git-send-email...@yandex.ru> URL: http://article.gmane.org/gmane.network.openvpn.devel/8259 Signed-off-by: Gert Doering <g...@greenie.muc.de> -- kind regards, Gert Doering