[Kea-users] Running Kea with unreliable interfaces?

Francis Dupont fdupont at isc.org
Mon Feb 15 23:33:36 UTC 2016


Shane Kerr writes:
> Some software will run on interfaces that are available and poll
> periodically to see if the remaining interfaces come up. In general I
> prefer the behavior of failing, but the ideal case lets the
> administrator decide.

=> this is a behavior for a client, not for a server...

> So I guess the only real question is if it is safe to have two instances
> using the same database backend. In principle this can be done safely,
> but if the software doesn't use transactions properly or relies on
> in-memory copy of the state in tables, then maybe not.

=> when this is not explicitely supported (and it is not for Kea)
you should assume it is not safe.

Thanks

Francis Dupont <fdupont at isc.org>



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