Re: [Cerowrt-devel] dnsmasq ipv6 stuff

[Maciej Soltysiak <maciej@soltysiak.com>]

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Something doesn't add up for me. Editing /etc/dnsmasq.conf and restarting
yields a process:

/usr/sbin/dnsmasq -C /var/etc/dnsmasq.conf

Now, /var/etc/dnsmasq.conf, being compiled from /etc/config/dhcp doesn't
seem to have the settings from /etc/dnsmasq.conf
Also, things like ra-names in /etc/dnsmasq.conf doesn't seem to add
--enable-ra to runtime options.

Am I wrong in thinking that /etc/dnsmasq.conf, although is pared during
/etc/init.d/dnsmasq restart, does not get you control over options of the
final dnsmasq process?

Regards,
Maciej

On Tue, Jan 22, 2013 at 7:52 PM, Chris Lawrence <lordsutch@gmail.com> wrote:

> On Tue, Jan 22, 2013 at 1:40 AM, Dave Taht <dave.taht@gmail.com> wrote:
> > I think that's this in /etc/dnsmasq.conf
> >
> > dhcp-range=se00,1234::, ra-stateless, ra-names
> > dhcp-range=sw00,1234::, ra-stateless, ra-names
> > dhcp-range=sw10,1234::, ra-stateless, ra-names
> > dhcp-range=gw00,1234::, ra-stateless, ra-names
> > dhcp-range=gw10,1234::, ra-stateless, ra-names
> >
> > It's kind of unclear to me what 1234 could be replaced with.
> > "ce30" works for me...
>
> Using ::1 on each will autoassign the addresses based on the address
> of the interface, which seems like a sensible default no matter what
> network address you have.  Having said that I found that with
> ra-stateless enabled, at least one device on my network would send
> DHCPv6 requests that crashed dnsmasq.  So I have:
>
> dhcp-range=::1,constructor:se00,ra-names
> (etc.)
>
> I think with test11 that can be further simplified to:
>
> dhcp-range=::1,constructor:*,ra-names
>
> This uses SLAAC only, which seems sufficient for my network purposes.
> I tried adding an end to the range to see if that was the problem with
> DHCP, but that doesn't seem to help, at least in test10.
>
> The other thing I noticed in 3.7.2-4 is that both dnsmasq and
> dnsmasq-dhcpv6 are installed, but the dnsmasq binary is actually the
> non-v6 version unless you reinstall the dnsmasq-dhcpv6 package
> (according to upstream OpenWRT, only one or the other should be
> installed since they conflict).
>
>
> Chris
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