On 2019-07-21T14:51:31-0700, Hal Murray <[email protected]> wrote: > Is there any way for client code to determine if an IP Address is > still in the pool? Maybe something like a DNS lookup on > d.c.b.a.pool.ntp.org > > If there was a way to do that, it would be easy to update servers to > check occasionally and stop using servers that have left the pool. > > That won't catch the case where the pool DNS name is used as a > server. If we put a simple still-there check in the server case, > clients would end up switching servers every time they checked. I > don't see any harm in that.
Take a look at using the "pool" directive in your ntpd or chrony configuration. That is probably what you want. -- Kenyon Ralph
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