Hi Gert,
Thank you for the reply.
On server side I have radvd and ISC DHCPd.
I would like to have the DHCP only but it can't send network prefix.
Sometimes client gets network prefix from radvd and everything else (dns
server, search list etc) from dhcp and all goes fine.
But sometimes client receives a network prefix but no stuff from DHCP
and vice versa. And I wonder, could it happen owing to some openvpn
specificity?
I'm pretty sure that there no packet loss in the tunnel, since I
establish the tunnel via TCP.
All clients are Windows.
-------- Original Message --------
*Subject: *Re: [Openvpn-users] open_tun, tt->ipv6=0
*From: *Gert Doering <[email protected]>
*To: *Pavel Bychikhin <[email protected]>
*Cc: *[email protected]
*Date: *24.11.2014 23:57
Hi,
On Mon, Nov 24, 2014 at 09:51:11PM +0200, Pavel Bychikhin wrote:
Just a little question...
When I start the OVPN, at the very beginning of a session log I see:
"open_tun, tt->ipv6=0"
Does it mean that ipv6 isn't supported through the tunnel or its support
is limited in some way?
"tun-ipv6 was not set in the config, and not pushed by the server"
Since I need ipv6 working with all the features enabled: router
advertisement, DHCPv6. These features seem not to work as expected
through the OVPN tunnel.
There is no RA and no DHCPv6 in a "tun" tunnel (as that would have to
be implemented inside OpenVPN and nobody did yet) - but if the server
is configured properly, it will assign an IPv6 address to the client
and send IPv6 routes.
If you want to service a LAN behind the OpenVPN client (-> DHCPv6) you
need to do that manually, or move to "tap" tunneling where the IPv6
stuff can be done outside OpenVPN (as it's just like a long ethernet cable,
and all OpenVPN gets to look at are ethernet headers).
gert
--
Best regards,
Pavel
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