VideoLAN HOWTO
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# 10.1. Stream in IPv6

| You will need an IPv6-aware operating system, like Linux 2.4.21 with the ipv6 module loaded, Windows XP Service Pack 1 or Mac OS X version 10.2 or higher. Please look at the features pages on the VideoLAN web site to know about the status of IPv6 in VLC and VLS for each O.S .

| If you are using VMware under Linux, you will have to stop VMware and unload the VMware kernel modules, because we noticed it prevented IPv6 streaming !

## 10.1.1. Stream with VLC

    % vlc -vvv video1.xyz --ipv6 --sout udp:[ff08::1] --ttl 12

where :

- `video1.xyz` is the file you want to stream (you can also put dvdold:/dev/dvd to stream a DVD or any other input configuration) ,

- ff08::1 is either :

  - the IPv6 address of the machine you want to unicast to ;

  - or the multicast IPv6 address .

- 12 is the value of the TTL (Time To Live) of your IP packets (which means that the stream will be able to cross 11 routers) .

| Under Unix/Linux, you may have to protect the square brackets around the IPv6 address :
    % vlc -vvv video1.xyz --ipv6 --sout udp:\[ff08::1\] --ttl 12

| You may have to specify the output network interface :
    % vlc -vvv video1.xyz --ipv6 --sout udp:[ff08::1%eth0] --ttl 12
where eth0 is the name of the network interface (under Linux the network interfaces are named ethX, under Mac OS X it's enX and under Windows it's X, where X is the appropriate number) .

## 10.1.2. Stream with VLS

You will need to use the configuration file `vls.cfg`. Please, see the VLS user guide to know how to write one for IPv6 streaming in unicast or multicast .

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