NAME

       tunctl — create and manage persistent TUN/TAP interfaces

SYNOPSIS

       tunctl [-f tun-clone-device]  [-u owner]  [-t device-name]

       tunctl [-f tun-clone-device]  -d device-name

DESCRIPTION

       This manual page documents briefly the tunctl command.

       This  manual  page  was written for the Debian GNU/Linux distribution because the original
       program does not have a manual page.  Instead, it has documentation in  HTML  format;  see
       below.

       tunctl  allows  the host sysadmin to preconfigure a TUN/TAP device for use by a particular
       user.  That user may open and use the device, but may not change any aspects of  the  host
       side of the interface.

USAGE

       To create an interface for use by a particular user, invoke tunctl without the -d option:

       #
       tunctl -u someuser
       Set 'tap0' persistent and owned by 'someuser'

       Then, configure the interface as normal:

       #
       ifconfig tap0 192.168.0.254 up
       #
       route add -host 192.168.0.253 dev tap0
       #
       bash -c 'echo 1 > /proc/sys/net/ipv4/conf/tap0/proxy_arp'
       #
       arp -Ds 192.168.0.253 eth0 pub

       To delete the interface, use the -d option:

       #
       tunctl -d tap0
       Set 'tap0' nonpersistent

SEE ALSO

       The UserModeLinux-HOWTO (link to URL http://user-mode-linux.sourceforge.net/UserModeLinux-
       HOWTO.html)

AUTHOR

       tunctl was written by Jeff Dike jdike@karaya.com

       This manual page was written by Matt Zimmerman mdz@debian.org  for  the  Debian  GNU/Linux
       system, based on examples from Jeff Dike.

                                                                                        TUNCTL(8)