[Dnsmasq-discuss] Single interface, multiple subnets...
simon at thekelleys.org.uk
Mon Sep 27 20:59:59 BST 2010
> Hmmm. Well turning off dnsmasq & throwing up a quick windows DHCP server
> seems to work for both subnets in terms of distributing the IP's. =\
> I did just test again by removing the 2nd network segment. I've placed all
> three machines on the same physical network. I have the 2 DHCP ranges
> configured in dnsmasq, and I have 2 reservations made via MAC address. The
> reservation for the 192.168.1.128/25 range hands out, the reservation for
> the 192.168.1.0/25 gives the " no address range available for DHCP request
> via eth0" error. So now I'm able to repro on the same physical segment,
> simply due to the fact that the IP reservation I've made is in a different
> subnet than the eth0 IP address. If I change eth0 on the DHCP server to an
> IP in the 192.168.1.0/25 range, then suddenly the 192.168.1.0/25 DHCP
> reservation works, and the 192.168.1.128/25 reservation that was working
> previously gives the " no address range available for DHCP request via eth0"
Could repeat this test whilst getting some packet grabs with
tcpdump -s 0 -w <file> or wireshark?
Probably best to send the binary dumps directly to me, rather than to
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