Does the cox modem have the ability to act as the ntp server ? If it does, than you could sync to it. Brand/Model of the cox modem ??? -----Original Message----- From: plug-discuss-bounces@lists.plug.phoenix.az.us [mailto:plug-discuss-bounces@lists.plug.phoenix.az.us] On Behalf Of Steven A. DuChene Sent: Tuesday, August 25, 2009 12:50 PM To: Alex Dean; Main PLUG discussion list Subject: Re: correct way to set timezone & clock/date? My Cox cable modem has a time display that is set by their network and the time on my system is set to under a minute different than that display. Besides if I cannot get any sort of reply from the ntp servers how can I tell what time they are synced to? -- Steve -----Original Message----- >From: Alex Dean >Sent: Aug 25, 2009 3:45 PM >To: "Steven A. DuChene" , Main PLUG >discussion list >Subject: Re: correct way to set timezone & clock/date? > >How far off is your current time from the ntp server's time? If >they're way out of whack, I think ntp will refuse to synchronize. I >forget how large of a disparity it will handle, but if they're an >entire hour different, it might just do nothing. I'd expect an error >message in that case, though. Try setting the system time with 'date' >to something close to the ntp server's time, then start up the ntp >process again. > >alex > >On Aug 25, 2009, at 2:43 PM, Steven A. DuChene wrote: > >> Hmm, Here it never starts doing those transmit packets after locating >> the servers. >> >> I just tried it with the firewall turned off and I still get the same >> result so it must not be the firewall. >> I am on a Cox cable modem. I wonder if Cox blocks NTP on their >> network? >> -- >> Steve >> >> -----Original Message----- >>> From: Eric Shubert >>> Sent: Aug 25, 2009 3:33 PM >>> To: plug-discuss@lists.plug.phoenix.az.us >>> Subject: Re: correct way to set timezone & clock/date? >>> >>> Here's what I get on a test server of mine: >>> [root@dellefield ~]# ntpdate -v -d dewey.lib.ci.phoenix.az.us >>> ntp.drydog.com >>> 25 Aug 12:28:28 ntpdate[6149]: ntpdate 4.2.2p1@1.1570-o Tue May 19 >>> 13:58:06 UTC 2009 (1) >>> Looking for host dewey.lib.ci.phoenix.az.us and service ntp host >>> found : dewey.lib.ci.phoenix.az.us Looking for host ntp.drydog.com >>> and service ntp host found : rrcs-66-27-60-10.west.biz.rr.com >>> transmit(148.167.132.200) >>> receive(148.167.132.200) >>> transmit(148.167.132.200) >>> receive(148.167.132.200) >>> transmit(148.167.132.200) >>> transmit(66.27.60.10) >>> receive(148.167.132.200) >>> transmit(148.167.132.200) >>> receive(148.167.132.200) >>> transmit(148.167.132.200) >>> receive(66.27.60.10) >>> transmit(66.27.60.10) >>> receive(66.27.60.10) >>> transmit(66.27.60.10) >>> receive(66.27.60.10) >>> transmit(66.27.60.10) >>> receive(66.27.60.10) >>> transmit(66.27.60.10) >>> server 148.167.132.200, port 123 >>> stratum 2, precision -20, leap 00, trust 000 refid >>> [148.167.132.200], delay 0.09081, dispersion 0.01126 transmitted 4, >>> in filter 4 >>> reference time: ce3eb3eb.9159d1f0 Tue, Aug 25 2009 12:03:07.567 >>> originate timestamp: ce3eb9de.49e55521 Tue, Aug 25 2009 >>> 12:28:30.288 transmit timestamp: ce3eb9de.43a0f909 Tue, Aug 25 >>> 2009 12:28:30.264 filter delay: 0.11383 0.13196 0.11774 0.09081 >>> 0.00000 0.00000 0.00000 0.00000 filter offset: 0.002299 >>> 0.012727 0.005610 -0.00813 >>> 0.000000 0.000000 0.000000 0.000000 delay 0.09081, >>> dispersion 0.01126 offset -0.008137 >>> >>> server 66.27.60.10, port 123 >>> stratum 2, precision -21, leap 00, trust 000 refid [66.27.60.10], >>> delay 0.28584, dispersion 0.00227 transmitted 4, in filter 4 >>> reference time: ce3eb980.f314d607 Tue, Aug 25 2009 12:26:56.949 >>> originate timestamp: ce3eb9df.19c5555c Tue, Aug 25 2009 >>> 12:28:31.100 transmit timestamp: ce3eb9de.f711a543 Tue, Aug 25 >>> 2009 12:28:30.965 filter delay: 0.29257 0.28622 0.28584 0.30823 >>> 0.00000 0.00000 0.00000 0.00000 filter offset: 0.002869 >>> 0.004561 0.005198 -0.00578 >>> 0.000000 0.000000 0.000000 0.000000 delay 0.28584, >>> dispersion 0.00227 offset 0.005198 >>> >>> 25 Aug 12:28:31 ntpdate[6149]: adjust time server 148.167.132.200 >>> offset >>> -0.008137 sec >>> [root@dellefield ~]# >>> >>> So the ntp servers are ok. Are you in a position to stop the >>> firewall momentarily for a test to be sure that's where your blockage is? >>> >>> Steven A. DuChene wrote: >>>> I ran the following: >>>> >>>> ntpdate -v -d dewey.lib.ci.phoenix.az.us ntp.drydog.com >>>> >>>> and it looked for and found both hosts but then just sits there >>>> with no other output. >>>> -- >>>> Steve >>>> >>>> >>>> -----Original Message----- >>>> From: Eric Cope >>>> Sent: Aug 25, 2009 3:10 PM >>>> To: Main PLUG discussion list >>>> Subject: Re: correct way to set timezone & clock/date? >>>> >>>> You can force an update, instead of waiting on the incremental >>>> changes. But, as noted below, it may affect services. >>>> Eric >>>> >>>> On Tue, Aug 25, 2009 at 11:42 AM, Jon M. Hanson >>>> > wrote: >>>> >>>> ntp also adjusts your clock gradually so it won't immediately >>>> jump to >>>> the correct time. This is to prevent problems with services >>>> (like cron >>>> and logging) that depend on a clock that doesn't suddenly >>>> change. >>>> >>>> Sent from my iPhone >>>> >>>> On Aug 25, 2009, at 11:33 AM, Alex Dean >>> > wrote: >>>> >>>>> Try tailing /var/log/messages (you said this was fedora, right?) >>>>> when you start up the ntp daemon. It can take a while (>1 minute >>>>> sometimes) for the time servers to synchronize, but you >>>> should see >>>>> some log activity during that time to show you that it's working. >>>>> >>>>> alex >>>>> >>>>> On Aug 25, 2009, at 1:27 PM, Steven A. DuChene wrote: >>>>> >>>>>> Hmm, so I did the following: >>>>>> >>>>>> # iptables -A input_ext -p tcp -m tcp --dport 123 -j ACCEPT >>>>>> >>>>>> and then tried starting ntp services again but it still >>>> seems to hang >>>>>> when trying to get the initial date and time. So adding a >>>> rule to the >>>>>> firewall for tcp access on port 123 seems to have made no >>>> difference >>>>>> to my problem. >>>>>> >>>>>> nuts... >>>>>> -- >>>>>> Steve >>>>>> >>>>>> -----Original Message----- >>>>>>> From: "kitepilot@kitepilot.com >>>> " >>> > >>>>>>> Sent: Aug 25, 2009 2:13 PM >>>>>>> To: "Steven A. DuChene" >>> >, Main PLUG >>>>>>> discussion list >>> > >>>>>>> Subject: Re: correct way to set timezone & clock/date? >>>>>>> >>>>>>> From /etc/services >>>>>>> >>>>>>> ntp 123/tcp >>>>>>> ntp 123/udp # Network Time >>>>>>> Protocol >>>>>>> >>>>>>> I would use "ntp" instead of "udp", and if it doesn't work, >>>> take a >>>>>>> dump... >>>>>>> :) >>>>>>> ET >>>>>>> >>>>>> >>>>>> --------------------------------------------------- >>>>>> PLUG-discuss mailing list - >>>> PLUG-discuss@lists.plug.phoenix.az.us >>>> >>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >>>>>> >>>>> >>>>> --------------------------------------------------- >>>>> PLUG-discuss mailing list - >>>> PLUG-discuss@lists.plug.phoenix.az.us >>>> >>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >>>> --------------------------------------------------- >>>> PLUG-discuss mailing list - >>>> PLUG-discuss@lists.plug.phoenix.az.us >>>> >>>> To subscribe, unsubscribe, or to change your mail settings: >>>> >>>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >>>> >>>> >>>> >>>> >>>> -- >>>> Eric Cope >>>> http://cope-et-al.com >>>> >>>> >>> >>> >>> -- >>> -Eric 'shubes' >>> >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >>> To subscribe, unsubscribe, or to change your mail settings: >>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >> > --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss