[CentOS] DHCP server failover: advise is needed

On Fri, 22 Nov 2019, Valeri Galtsev wrote:

> Dear Experts,
>
> I was running ISC DHCP server for longer than I would care to remember. Now I 
> decided to climb out of the cave and configure failover set 
> (primary-secondary), and I seem to hit brick wall, which I need help with. I 
> only need IP v4, no v6, which may simplify things.
>
> Could someone point to a description of working DHCP failover configuration?

I wrote this article a long time ago:

https://www.madboa.com/geek/dhcp-failover/

It worked for me at my last job.

-- 
Paul Heinlein
heinlein at madboa.com
45°38' N, 122°6' W