[Dnsmasq-discuss] What's the "right" way to specify upstream servers?

Chris Green cl at isbd.net
Sun Sep 5 14:41:32 UTC 2021


On Sun, Sep 05, 2021 at 01:51:22PM +0200, Matus UHLAR - fantomas via Dnsmasq-discuss wrote:
> > > On 03.09.21 17:13, Chris Green wrote:
> > > > I know there probably isn't a "right" way to do this but, while I've
> > > > been trying to sort out how to make my dns/dhcp more resilient, I have
> > > > looked at my existing dnsmasq running on a Pi and it looks a bit odd
> > > > to me.
> > > >
> > > > It's a pretty standard, off the shelf Raspberry Pi installation using
> > > > the Lite version as it's headless.  The dnsmasq.conf file has been
> > > > changed quite a lot over the years though and I wonder if it's still
> > > > optimal.
> > > >
> > > > The upstream servers *seem* to be specified in /etc/dhcpcd.conf as
> > > > follows:-
> > > >
> > > >    # Example static IP configuration:
> > > >    interface eth0
> > > >    static ip_address=192.168.1.2/24
> > > >    #static ip6_address=fd51:42f8:caae:d92e::ff/64
> > > >    static routers=192.168.1.1
> > > >    static domain_name_servers=192.168.1.2 1.1.1.1 212.159.13.49
> 
> > On Sat, Sep 04, 2021 at 04:33:10PM +0200, Matus UHLAR - fantomas via Dnsmasq-discuss wrote:
> > > this is dhcp client configuration, not dhcp server.
> > > 
> > > iiuc it tells dhcp client not to use IP address, default route nor servers
> > > that DHCP server provided.
> 
> On 04.09.21 17:52, Chris Green wrote:
> > This *is* the DHCP server for my LAN so these are the upstream DNS
> > servers it gives to its clients.
> 
> - why do you run a DHCP client on a DHCP server then?
> - Especially when you configured it statically and not to use DHCP settings?
> 
> note that this is dnsmasq list, not dhcpcd.
> 
Because that's what you get if you install dnsmasq and very little
else on an 'out of the box' Raspberry Pi.

-- 
Chris Green



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