[Dnsmasq-discuss] Using dnsmasq IPv6 announcement to configure its 'own' network interface

[Andy Hawkins]

Hi,

I'm currently running a network which has IPv6 support via a tunnel from
Hurricane Electric's tunnelbroker.net.

I currently use radvd to broadcast my IPv6 prefix around my internal
network, allowing machines to automatically assign their own IPv6 address.
This *also* allows the internal network interface (eth1 in my case) to
automatically configure its own address.

I'm experimenting with dnsmasq at the moment, with a view to replacing my
current setup of bind and dhcpd with dnsmasq. However, I'm finding that
unless I *manually* assign an appropriate ipv6 address to eth1, dnsmasq will
not even send out advertisements of my IPv6 prefix.

Is there any way I can get this working?  What I'd ideally like is for
dnsmasq to automatically determine the appropriate prefix from the tunnel
interface, and then broadcast this prefix out over the internal network
(eth1), and as a side effect of that allow eth1 to pick up an appropriate
IPv6 address of its own. It seems a sham to have to manually assign an
address to eth1, when it's technically possible for it to automatically
configure itself (as this works when using radvd to advertise the prefix).

Thanks for any advice you can offer.

Andy



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Re: [Dnsmasq-discuss] IPv6 Router Advertisements not working

[Andy Hawkins]

Hi,
In article <8534ac3c-30d0-095a-8bde-179bdbe8f...@thekelleys.org.uk>,
   Simon Kelley wrote:
> Do you have an interface configured with an address in fd01::/64 ?

Is this a requirement? radvd is able to send advertisements out on an
interface that has no IPv6 address configured (indeed, I have been using
this facility to automatically configure the interface that router
advertisements are being sent on).

Would be nice to be able to do the same with dnsmasq without having to
manually configure the IPv6 address of the interface.

Thanks

Andy


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