On 18 mrt, 13:43, "Ryan Malayter" <[EMAIL PROTECTED]> wrote: > On Mar 18, 12:09 am, Tom Smith <[EMAIL PROTECTED]> wrote: > > > He can change the server - address(es)/netmask(s), maybe add NICs - > > and maybe he can change the router configuration. What he can't > > change at the moment is the clients, so he's stuck with trying > > to find a broadcast solution that hits 4 different subnets of > > different sizes. > > > I'm sure Erik would rather be doing something else by now. :-) > > Agreed. I'd work with the manufacturer to change the clients; surely > other customers of theirs have the similar issues. Erik really needs a > unicast or multicast setup for NTP because the network topology. > > If the clients absolutely cannot change for any reason, the final > option would be a "brute force" approach: actually put a physical NTP > server (old junk PC running Linux or *BSD) in each of the four > subnets. Have each of these broadcast to its local subnet, while > getting the time from your main time server (and some other time > sources from off-network). > > If money isn't an issue, you could even get some nice little Soekris > or Gumstix boxes to be time servers for each subnet. This could be > cheaper and easier than re-architecting the network topology to be > "flatter". > > Regards, > Ryan
Hello Ryan, (Tom, Danny, . name list is quite long already ;-) I have tried to understand the discussion up till now but because of lack of knowledge on this matter (as well as English not being my native language) I must admit I do not fully understand it What I do understand is that the difficulty is in the combination of broadcast-time-correcting inchangeable (broadcast-)clients on different network segments by one server What I still would like to know: Is the following (earlier posted) idea... >broadcast 145.47.51.127 key 1 >broadcast 145.47.51.255 key 1 >broadcast 145.47.52.127 key 1 >broadcast 145.47.53.127 key 1 ..from server... >IP-adres . . . . . . . . . . . . . . .: 145.47.54.146 >Subnetmask . . . . . . . . . . . .: 255.255.255.128 >Standaardgateway . . . . . . . .: 145.47.54.129 ... definetely useless or still worth a try? BTW: the manufacturer advises to install its systems in the same network segment behind a router to be coupled with the company-VLAN The time server, being on the same router, will be able to reach all clients by broadcast Yet, here we do not have networks-per-manufacturer but mixed networks, resulting in a network with systems of this manufacturer spread across the whole network (which is divided into several subnets) Kind regards and thank you for the good discussion so far Erik Holland _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
