- tun-fd tunprocedure
returns the file descriptor associated with the tunnel interface. Writing to this file descriptor sends data out of the interface. Note that written data must be well-formed packet (for tun) or ethernet frame (for tap).
returns the file descriptor associated with the tunnel interface. Writing to this file descriptor sends data out of the interface. Note that written data must be well-formed packet (for tun) or ethernet frame (for tap).