[ntp:questions] Problems configuring an NTP subnet
Danny Mayer
mayer at ntp.isc.org
Fri May 26 03:01:03 UTC 2006
SimoTerradillos, Carlos Joaquin wrote:
> Hello:
>
> I`m trying to set up a NTP subnet over a LAN. This subnet has following structure:
>
> 1.-NTP Server
> This server also is a client from another "central server" outside my LAN..
> My /etc/ntp.conf file is like this:
>
> server EESS_NTPSRV_1
> server 127.127.1.0
> fudge 127.127.1.0 stratum 5
> restrict 172.19.250.0 mask 255.255.255.224 notrust nomodify notrap
> broadcast 172.19.250.31
> authentication no
This should be "disable auth" but you won't need it for the broadcast
server unless it too is receiving broadcast or multicast packets and you
don't want to bother configuring a key.
> driftfile /etc/ntp/drift
> tinker dispersion 1.000
> statsdir /var/log/ntp/
> filegen peerstats file peerstat.log enable
>
>
> EESS_NTPSRV_1 is the server outside my LAN "172.19.250.0". I want use my NTP server as broadcast server.
>
> 2.-NTP clients
> In this case, /etc/ntp.conf is like this:
>
> driftfile /etc/ntp/drift
> broadcastclient
> authenticate no
again: disable auth
> statsdir /var/log/ntp/
> filegen peerstats file peerstat.log enable
>
>
> It seems that my client is receving NTP broadcast packets...but it doesn´t work.
>
Yes but it's dropping them when it cannot authenticate.
Danny
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