[Dnsmasq-discuss] Please consider clarifying the man page about the tftp service

Geert Stappers stappers at stappers.nl
Mon Jan 27 20:05:29 GMT 2020

On Mon, Jan 27, 2020 at 06:44:22PM +0100, Olivier Cailloux wrote:
> Le lundi 27 janvier 2020 à 15:58 +0000, Simon Kelley a écrit :
> > This is a laudible aim, the problem is that there's no such thing
> > as "which option is required exactly". Netboot is gnarly thicket of
> > different standards and different ways of doing things, and depending
> > on how you want to do things, and which standards the things you
> > are trying to boot support, then you need different options. For
> > instance in your case you presumably have another DHCP server on
> > the network which is dealing with handing out addresses, and you're
> > relying on the never-standardised "proxy DHCP" feature of PXE to do
> > be able to do netbooting without touching the configuration of that
> > other DHCP server.
> > In fact if you use just one DHCP server which can be configured,
> > especially if it's running dnsmasq, netbooting is much simpler
> > than the way you've done it. A primer on netbooting with examples
> > of dnsmasq configurations would be a good thing to have, but it's
> > place is not in the dnsmasq man page.
> >
> I understand that it is no simple matter in my situation (and simpler
> in others)to clarify the doc and still support every possible use case.
> Still, I have a hunch that it is possible to do better (though it might
> be because of me not having thought about some use cases). For example,
> is there a reason to run the following command?
> sudo /usr/sbin/dnsmasq --port=0 "--dhcp-range=, proxy" "
> --dhcp-boot=pxelinux.0,saucisson" --enable-tftp --log-dhcp
> In my understanding, the --pxe-service switch is required in such a
> situation (as you correctly deduced, that is a situation where another
> DHCP server is running), or there is some other problem in the command.
> If so, dnsmasq should say it.
> But I certainly could be wrong, being no expert in net booting.


> > Cheers
> Thank you for your interest and time.
> -- Olivier

Geert Stappers
Leven en laten leven

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