On Mon, Sep 30, 2024 at 10:50:06PM +0300, Kapetanakis Giannis wrote:
> How did you solve the problem of initial sync?
>
> Suppose one server goes down for maintenance. When it comes up it does not
> know what new leases have been given by the other server which was all the
> time up.
>
> There are chances that later it gives an IP already given by the other dhcp
> server. The leases (while down) were not synced.
>
> I don't think there is an option for initial sync (like pfsync) and even if
> you scp the lease file you can't be 100% sure since you might miss something
> while copying and starting service.
>
> This is the primary reason I've sticked with isc-dhcpd and failover peer.
>
> G
>
IIRC on dhcpd statup all leases from the lease db are advertized to
the other dhcpds.
-Otto
