Out of curiosity, was there a reason you didn't use the built in failover configuration in ISC DHCP?
On Fri, Nov 17, 2017 at 9:25 AM, John Ratliff <[email protected]> wrote: > I'm seeking best practice advice on how to setup DHCP server redundancy > with kea. > > With ISC DHCP, I used VRRP with two servers and configured it to send the > dhcp-server-identifier option as the VRRP IP. Then I would run a script > that sync'd the lease database automatically via cron. > > This process is messy and error prone, so I would like to use kea instead. > > The subnets I am allocating via DHCP is not the same subnet that the > server is in, so we use ip-helper statements to forward DHCP requests to > the server. > > I have kea using mySQL as a lease backend. The mySQL server is not on the > same machine as kea. > > My first thought was to use VRRP and supply the dhcp-server-identifier > option again. I ran into a problem though that if kea started before VRRP, > it wouldn't listen on the VRRP IP. There is probably a solution to that, > but I don't have one yet. > > So then I changed the router configuration to use two ip-helper > statements, sending the request to both primary and secondary kea servers; > I also removed the dhcp-server-identifier option. This seems to work. > > Is this a reasonable setup for DHCP redundancy with kea? Is there a better > option I might want to consider? Are there any concerns I should be aware > of with both servers being active? > > Thanks. > _______________________________________________ > Kea-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/kea-users >
_______________________________________________ Kea-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/kea-users
