On 2015-02-20, Nuno Pereira <[email protected]> wrote: > > > > In our infrastructure we had some ntp clients that don't have access to the > world and so they are configured to use only 2 servers (by the way, the other > have 2 more options). In reality both servers are the same, but with different > IPs.
So you only have one server. Why have two that are the same? > > > > From time to time some clients configured in this way lose their reference for > some short period. > > > > I know how NTP works > (http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-NTP-ALGO), and so this seems > to be caused by both 2 servers or just 1 of them not have survived. > > But both the clients and the servers are physically in the same place, and > even if they aren't in the same IP network, they are in the same LAN with just > a switch or two between them (delay is between 1 and 2 ms). What is the switch? Smoke signals? Any switch should be a lot lot faster than 1ms. > > > > And the question is why this does happen in the local network? > > Aren't they close enough in order to avoid a split? > > > > > > Given that, I have changed the configuration, and now they only use 1 server, > but that is not a good solution. But that is what you have! > > Any alternative for the configuration? More servers, most likely virtual > servers? _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
