[Dnsmasq-discuss] No DHCPOffer back but DHCPDiscover is being received by UML machine

[Geert Stappers]

On Wed, Apr 15, 2020 at 07:27:02PM +0100, Josh H wrote:
> On Wed, 15 Apr 2020 at 19:17, Geert Stappers <stappers at stappers.nl> wrote:
> > Josh H  wrote in another message:
> > (
> > http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2020q2/013988.html
> > )
> >
> > > I'm running a very odd environment in that I'm using 2 usermodelinux
> > > virtual machines connected via a virtual hub.
> >
> > Seems to me something that should work.
> >
> > However I have no exprience with UML
> >
> >
> >
> > > I've got such a simple
> > > setup because originally I had a much larger configuration and wanted
> > > to test it wasn't something messed up in routing and such.
> >
> > Oops. The simple setup doesn't work.
> >
> > In case there are two UML VMs that "see each other" through
> > the vHub, feel free to share that config with us.
> >
> >
> > > Just wanted to add that dnsmasq 2.62 with a much older Linux kernel
> > > (3.2 from memory?) worked on this sort of setup perfectly fine, so
> > > it seems thats either the kernel update or a newer version of dnsmasq
> > > has broken something along the way.
> >
> > I don't understand, but yes indeed
> >  Kernel, libc and dnsmasq  should be alined.
> >
> >
> 
> 
> It's difficult for me to share the config outright as I'm using a modified
> version of netkit that I've updated to a much newer kernel -
> http://netkit-ng.github.io/. The netkit version that is available on that
> link is the one that worked with dnsmasq just fine, and that version was
> 2.62 and kernel 3.2. However I've updated it and am running 2.80 and kernel
> 5.6.
> 
> Anything else I can provide you with that might help? It's a very unique
> setup so I appreciate  it's probably not the easiest thing to try and
> debug.


Choose: Something that is unique or something that can be shared



Regards
Geert Stappers
-- 
Silence is hard to parse