Thanks. You are right. I did NOT reboot after change Ip address. It is correct now.
--- 09/3/15 (日)，Filipe Brandenburger <filbranden@xxxxxxxxx> 寫道：
> 寄件者: Filipe Brandenburger <filbranden@xxxxxxxxx>> 主旨: Re: NTP error message on /var/log/messages> 收件者: "CentOS mailing list" <centos@xxxxxxxxxx>> 日期: 2009 3 15 日 下午 7:30> Hi,> > 2009/3/15 mcclnx mcc <mcclnx@xxxxxxxxxxxx>:> > I just setup CENTOS 4.7 with latest patches on DELL> server.> > 狢 also configured NTP point to out time server. 狢> found> > /var/log/messages file every 20 to 30 minutes will> generate> > a error message :> > Mar 15 14:28:15 SER1 ntpd[25037]:> sendto(172.29.21.16): Invalid argument> > I saw this once when I changed a machine's IP but did not> restart the> NTP service. The daemon was still trying to send/receive> packets using> the old IP. After restarting NTP (service ntpd restart) the> problem> was fixed.> > Make sure you also check that NTP is properly synchronizing> the clocks> with the "ntpq -p" command.> > HTH,> Filipe> _______________________________________________> CentOS mailing list> CentOS@xxxxxxxxxx> http://lists.centos.org/mailman/listinfo/centos>
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