Solved What does the Maximum client lead time (MCLT) mean?

From dhcpd.conf(5)
The mclt statement

mclt seconds;

The mclt statement defines the Maximum Client Lead Time. It must be
specified on the primary, and may not be specified on the secondary.
This is the length of time for which a lease may be renewed by either
failover peer without contacting the other. The longer you set this,
the longer it will take for the running server to recover IP
addresses after moving into PARTNER-DOWN state. The shorter you set
it, the more load your servers will experience when they are not com-
municating. A value of something like 3600 is probably reasonable,
but again bear in mind that we have no real operational experience
with this.

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