[Dnsmasq-discuss] DHCP packet received on <interface> which has no address

Andrew Shadura andrew.shadura at collabora.co.uk
Thu Aug 25 09:52:41 BST 2016


We've run into an issue: in our configuration, there are many
interfaces, some of them are being served by dnsmasq-dhcp, some of them
use run dhcp client themselves. Interfaces come and go, so it's not
always possible to use bind-interfaces. Sometimes dnsmasq-dhcp reacts to
the DHCP packets coming from the interfaces it's not supposed to work
with, and as they hasn't been configured yet dnsmasq complains.

Having looked at the code, I see the warning is issued when dnsmasq-dhcp
has detected the interface hasn't got an address, before it checks the
interface name or exclusion lists. That doesn't seem right to me, but I
haven't come up with a reasonable patch yet.

Could that please be fixed?



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