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NTP broadcastclient config on SCo 5.04

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faultbuster

Technical User
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Jan 19, 2003
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Can anyone help with an NTP issue on SCO 5.04? The system uses xntpd for NTP.
I need the system to listen for NTP broadcasts on the LAN (rather than to poll an NTP server).

I've fumbled around with the /etc/ntp.conf and have tried 'broadcastclient yes' and also 'broadcast xxx.xxx.xxx.255' (the LAN broadcast address) in an attempt to get the system to clock from the Cisco catalyst on the LAN, which is transmitting the broadcasts.

I know from running an NTP debug on the Cisco that the system is transmitting and recieving NTP packets, but it just does not update its clock to that which is being transmitted.

One other point I noticed from the debug, the packets received from the System, are shown as Stratum 0, where as the packets sent from the Cisco to the system, show as Stratum 5. Does this imply anything needs reconfiging in the system?

In the system /etc/tcp file there is a line referencing xntpd. The system will, at boot, start xntpd if it exists and the /etc/ntp.conf exists, but it starts xntpd with the -a (authentication) option. Have tried changing this to -b (listen to broadcast) and rebooting but to no avail.
 
Have you tried running xntpd in debug mode, with the -d switch to find out what it's doing.

I don't think you want to use the 'broadcast' keyword because this server is the client, and not sending out the broadcasts. Annihilannic.
 
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