id summary reporter owner description type status priority milestone component version severity resolution keywords cc 158 TCP_NODELAY not detected properly on FreeBSD 8.0-RELEASE-p6 Onepamopa "OS: FreeBSD 8.0-RELEASE-p6 x64 OpenVPN version installed from ports: [root@server /usr/local/etc/openvpn]# openvpn --version OpenVPN 2.1.1 amd64-portbld-freebsd8.0 [SSL] [LZO2] built on Mar 2 2011 Check if tcp_nodelay is enabled: [root@server ~]# sysctl -a |grep net.inet.tcp.delayed_ack net.inet.tcp.delayed_ack: 1 Enable tcp-nodelay @ openvpn server config. tcp-nodelay (also tested with tcp-nodelay 1) verb 4 Start openvpn server and look for message: NOTE: setsockopt TCP_NODELAY=1 failed (No kernel support) According to guys @ #freebsd, tcp_nodelay is enabled but openvpn doesn't know how to detect/use it." Bug / Defect closed major Generic / unclassified OpenVPN 2.1.0 / 2.1.1 (Community Ed) Not set (select this one, unless your'e a OpenVPN developer) fixed