[Dnsmasq-discuss] DHCP request not getting to dnsmasq

Robin Atwood robin at binro.org
Tue Dec 25 11:16:34 GMT 2007


On Tuesday 25 Dec 2007, you wrote:

> > Yes, I see:
> >  # tcpdump -i eth0 port 67
> > tcpdump: verbose output suppressed, use -v or -vv for full protocol
> > decode listening on eth0, link-type EN10MB (Ethernet), capture size 68
> > bytes 23:00:37.564313 IP 0.0.0.0.bootpc > 255.255.255.255.bootps:
> > BOOTP/DHCP, Request [|bootp]
> >
> > but absolutely nothing in the dnsmasq logging. Below are all the
> > non-comment lines in my dnsmasq.conf. This must be something very basic!
> >
> > domain-needed
> > resolv-file=/etc/resolv-upstr.conf
> > strict-order
> > local=/binro.org/
> > interface=eth0
> > domain=binro.org
> > dhcp-range=192.168.1.32,192.168.1.63,12h
> > dhcp-option=option:router,192.168.1.1
> > dhcp-option=42,0.0.0.0
> > log-dhcp
>
> Ok, my configuration differs a bit, but I cannot say if there's an
> important differenc there, maybe not. For example, I don't have the
> resolv-file, strict-order, local, and domain options. What I would do now,
> is strace dnsmasq as your laptop requests a lease, e.g.:
>
> strace -o /tmp/dnsmasq.trace -s 256 -tt -p `pidof dnsmasq`

I took the strace (attached) but cannot see anything to do with DHCP. I also 
checked the Gentoo build options and there is nothing disabling DHCP. It's a 
mystery.

-Robin
-- 
----------------------------------------------------------------------
Robin Atwood.

"Ship me somewheres east of Suez, where the best is like the worst,
 Where there ain't no Ten Commandments an' a man can raise a thirst"
         from "Mandalay" by Rudyard Kipling
----------------------------------------------------------------------








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