Re: newbie - NTP

This is a discussion on Re: newbie - NTP ; I edit the server's conf file. server 127.127.1.0 broadcast 20.1.1.255fudge 127.127.1.0 stratum 10 also start the ntp deamon with -A option. but still there is the same problem. i analyze the network and i can not see any ntp packages ...

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Thread: Re: newbie

  1. Re: newbie

    I edit the server's conf file.

    server 127.127.1.0 broadcast 20.1.1.255fudge 127.127.1.0 stratum 10
    also start the ntp deamon with -A option.
    but still there is the same problem.
    i analyze the network and i can not see any ntp packages at the server side.
    it doesnot broadcast the ntp packages to the 20.1.1.255.
    what can be the problem.
    by the way do i need to give drift file to make broadcast server work?




    > From: kostecke@ntp.isc.org> To: questions@lists.ntp.isc.org> Date: Thu, 1 Mar 2007 22:00:41 +0000> Subject: Re: [ntp:questions] newbie> > On 2007-03-01, mehmet bilgin wrote:> > > I have to computers on the same network. what i am trying to do is> > making one of the machines broadcast server and the other broadcast> > client. also server will use the local time.> >> > for that purpose i write the below lines into the /etc/ntp.conf at the> > server side> > > > server 127.127.1.0 > > broadcast 20.1.1.255> > You should also specify the driftfile and, there is any chance that your> broadcast packets will be routed to another network, 'fudge 127.127.1.0> stratum 10'> > > and at the client side i only write> > > > broadcastclient> > Broadcast mode requires the use of NTP Authentication unless explicitly> disabled.> > If you wish to disable NTP Authentication you must start ntpd with '-A':> > -A> Do not require cryptographic authentication for broadcast cli

    ent,> multicast client and symmetric passive associations. This is almost> never a good idea.> > There is also a configuration directive to disable authentication.> > You should know that disabling authentication may allow rogue broadcast> servers to send invalid time to the systems on your network.> > -- > Steve Kostecke > NTP Public Services Project - http://ntp.isc.org/> > _______________________________________________> questions mailing list> questions@lists.ntp.isc.org> https://lists.ntp.isc.org/mailman/listinfo/questions
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  2. Re: newbie

    mehmet bilgin wrote:
    > I edit the server's conf file.
    >
    > server 127.127.1.0 broadcast 20.1.1.255fudge 127.127.1.0 stratum 10


    Are these on separate lines? They need to be.

    > also start the ntp deamon with -A option.
    > but still there is the same problem.
    > i analyze the network and i can not see any ntp packages at the server side.
    > it doesnot broadcast the ntp packages to the 20.1.1.255.
    > what can be the problem.


    What version of NTP are you running and what O/S and version.

    > by the way do i need to give drift file to make broadcast server work?


    No, but you do need to give it time to stabilize before it starts to
    send out broadcast packets. What does ntpq -p on that server show you?

    Danny
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