Re: [CentOS] DHCP failover ... Some questions.

Do you know if you have to do anything special in the case where the primary server has been down for a while and is then brought back up? That is, does the backup automatically re-sync the database with the new leases that have been given out, or does it not have to?

Nope, it's all automatic - that's the point, after all :)

Check out the FAILOVER STARTUP section in dhcpd.conf(5).

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