GRML-VNET(8)

grml-vnet - creates persistent tun/tap devices with bridge handling

grml-vnet [OPTIONS] <tun1> <tun2> …

This manual page documents briefly the grml-vnet command.

grml-vnet is a script to create persistent tun/tap devices with integrated bridge handling.

-d

Delete the tun/tap devices and remove them from the bridge (if given with -b).

-u <user>

Make tun devices useable from <user> without special permissions.

-g <group>

Make tun devices useable from <group> without special permissions.

-b <bridge>

Remove/delete given tun devices from <bridge>.

-a

Automatic bridge handling, eg. create bridge if not existing and delete it if no more devices are part of it after removing the given tun/tap devices.

-h

Show the help message.

Config sample file for /etc/network/interfaces with bridge and tun/tap devices. This creates tap0..tap3 which are part of the bridge vnet.

    auto vnet
    iface vnet inet static
        post-up  /usr/sbin/grml-vnet -u grml -b vnet tap{0..3}
        pre-down /usr/sbin/grml-vnet -u grml -b vnet -d tap{0..3}
        bridge_ports none
        address 192.168.10.1
        netmask 255.255.255.0

grml-ap(8), grml-bridge(8), grml-router(8)

grml-vnet was written by Michael Gebetsroither <gebi@grml.org>

This manual page was written by Michael Gebetsroither <gebi@grml.org>