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Old 10-12-2006, 12:46 PM   #1
Gene Erik
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Registered: Oct 2006
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Issues with Multicast NTP Server in Fedora

Hey guys. Im just starting to get my mojo really rolling in Fedora. Anywho...

I'm trying to set up a multicast NTP server using Fedora Core 4 (I would use 5, but the machine thats hosting NTP doesn't meet install requirements). This machine is fairly old, but should be plenty for multicasting NTP.

Now... this machine is purposefully syncing with the undisciplined LCL (local clock). In unicast mode, everything works great and NTP is server as stratum 2 as the LCL is fudged to stratum 1. However..... when I try to broadcast to (NTP multicast reserved by IANA), it knocks thre multicast to stratum 16, meaning the broadcast is not syncing with the LCL. Unicast is stillworking just fine. I'm out of ideas. I've played with iptables to make sure that everything is sent from that adapter just fine. Multicast is set on the adapter. Router routes multicast out that adapter. penny for your thoughts? I could really use some ideas....

Here's the NTP.conf as it stands now:

server iburst
fudge stratum 1
broadcast ttl 4

KISS configuration.

PS. I'm using NTPD v4.2.0a@1.1196. Recently updated with yum.


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