On Sun, Aug 2, 2015 at 5:10 PM, jacky he <jacky.he at gmail.com> wrote: > Hi, > ocserv will create new virtual interface when a new session is up, but > I want to know can ocserv support persistent TUN dev like OpenVPN? The short answer is no because ocserv handles each user on its own tun device. What is your use case and why would you need a persistent tun device? regards, Nikos