Hi, On Mon, May 16, 2016 at 07:03:49PM +0800, x...@biigroup.cn wrote: > Hi, I used a tun-ipv6 mode between dual stack server and IPv4-only clients, > making clients to get a IPv6 address and DNS within IPv4 tunnel. > > But I found clients could not pull a IPv6 DNS from server. What configuration > should I use on server? > > "dhcp6-option dns 2001:da8:4860:4860::8888" unworked.
This is because there is no "dhcp6" anywhere in OpenVPN.
> Or any other method can push IPv6 DNS to clients?
You could push "setenv ipv6dns 2001:db8:..." and run an --up script on
the client side that will read this environment variable and installs
the IPv6 DNS servers in the right matter for your clients (like, calling
resolvconf on linux, or whatever netsh invocation works on windows).
Right now, no such script exists - the pressing need isn't there, as
a dual-stack client can still use IPv4 DNS.
gert
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Gert Doering - Munich, Germany g...@greenie.muc.de
fax: +49-89-35655025 g...@net.informatik.tu-muenchen.de
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