[Dnsmasq-discuss] Copying dnsmasq.leases, any issues to be aware of?

[Matus UHLAR - fantomas]

On 08.02.22 19:32, Ed W wrote:
>This is never going to get high enough up my todo list to try, but I did wonder if a simple
>"clustered" system could be built using DBUS or similar events. When a lease is allocated DBUS (and
>a script) is run notifying about that. A little daemon could then use this hook to notify another
>instance of dnsmasq. In fact I think the hook is run synchronously? So it should be possible to ship
>new leases across to the other instance
>
>I can think of a number of ways this can be racy... However, for a little home lab it would surely
>be good enough. I'm not sure how to handle failover, but a few simple ideas spring to mind (I'm
>thinking of a pure warm standby kind of setup, where something promotes the secondary to primary)
>
>Anyway, just shooting the breeze...

I believe Simon's answer means: dnsmasq is small server for small systems. If
you need cluster-like features, you should try isc or kea dhcp servers.


>On 05/02/2022 11:06, Simon Kelley wrote:
>> It could work; there's a whole IETF standard for DHCP failover and it's implemented beautifully by
>> ISC dhcp. If that's your niche, then ISC is the way to go.

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