[Dnsmasq-discuss] DHCP DISCOVER and DHCPACK on different subnets getting lost

Grant Traynor grant.traynor at switchdin.com
Mon Mar 20 01:33:18 GMT 2017


Hi Albert,

Thanks for the pointer. It seems as though I'm not running in authoritative
mode, but it also seems I don't need to. This seems to be an issue tied to
the DHCP client, or at least a class of them. The client seems to be stuck
holding onto it's original IP address unless I power cycle it. Frustrating.

I'll keep you posted if I find anything further.

Loving dnsmasq though. Brilliant.

Regards,
Grant.


On 17 March 2017 at 02:00, Albert ARIBAUD <albert.aribaud at free.fr> wrote:

> Hi Grant,
>
> Le Thu, 16 Mar 2017 20:36:53 +1100
> Grant Traynor <grant.traynor at switchdin.com> a écrit:
>
> Only on this point:
>
> > There is no DHCPNACK offered by dnsmasq?
> >
> > It almost seems as though it's ignoring the subnet when it offers the
> > IP address?
>
> Dnsmasq will send DHCPNAKs only if it is configured as authoritative
> (that is, it can assume that no other DNS server can answer). How is
> yours configured?
>
> Amicalement,
> --
> Albert.
>



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