Man page - vde_tunctl(8)

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Package: vde2
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vde2

Manual

VDE_TUNCTL

NAME
SYNOPSIS
DESCRIPTION
USAGE
SEE ALSO
AUTHOR

NAME

vde_tunctl — create and manage persistent TUN/TAP interfaces

SYNOPSIS

vde_tunctl [ -f clone-dev ] [ -u owner ] [ -g group ] [ -n ] [ -t dev-name ]

vde_tunctl [ -f clone-dev ] -d dev-name

DESCRIPTION

vde_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.

vde_tunctl is an extension of tunctl .

vde_tunctl defines tap interfaces unless dev-name begins by "tun" or the option -n appears in the command line.

USAGE

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

# vde_tunctl -u someuser
Set ’tap0’ persistent and owned by uid 500

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:

# vde_tunctl -d tap0
Set ’tap0’ nonpersistent

To create or destroy a tun interface (instead of tap):
# vde_tunctl -n -u someuser
Set ’tun0’ persistent and owned by uid 500
# vde_tunctl -d tun0
Set ’tun0’ nonpersistent

AUTHOR

tunctl was written by Jeff Dike jdike@karaya.com

This manual page is based on tunctl manual page written by Matt Zimmerman mdz@debian.org for the Debian GNU/Linux system.