Using OpenVPN in tunnel (tun) mode ? Home Page › Forums › Network Management › ZeroShell › Using OpenVPN in tunnel (tun) mode ? This topic contains 1 reply, has 0 voices, and was last updated by olivier1010 10 years, 1 month ago. Viewing 1 post (of 1 total) Author Posts March 24, 2009 at 12:48 am #41572 olivier1010Member Is it possible to use OpenVPN in true tunnel (tun) mode with zeroshell ? This is to connect a central headquarter LAN to distant sites LANs. Using tap mode create more traffic on the central office wan link because of presence of broadcast traffic from the clients. Thanks. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.