[ntp:questions] ntp-4.2.6p5

Steve Clark sclark at netwolves.com
Wed Sep 3 12:39:05 UTC 2014


On 09/03/2014 02:29 AM, mike cook wrote:
> Le 22 août 2014 à 20:09, Steve Clark a écrit :
>
>> Hello,
>>
>> We are running the above release. It works great until the interface for the default route is
>> brought down and then back up. Then after a half hour or so it ntpstat starts returning
>>
>>
>> synchronised to unspecified at stratum 4
>>    time correct to within 1149 ms
>>    polling server every 64 s
>>
>> $ ntpdc -c dmpeers
>>       remote           local      st poll reach  delay   offset disp
>> =======================================================================
>>   ccadmin.cycores 0.0.0.0          2   64    0 0.03999  0.004545 3.99217
>>   va-time.techpro 0.0.0.0          2   64    0 0.05200  0.004608 3.99217
>>   time.tritn.com  0.0.0.0          2   64    0 0.07124 -0.004152 3.99217
>>   167.88.119.29   0.0.0.0          3   64    0 0.03712 -0.002695 3.99217
>> Fri Aug 22 09:06:30 EDT 2014
> < snip the rest >
> < snip the rest >
>
> I have
> version="ntpd 4.2.6p5 at 1.2349-o Mon Jul  2 04:47:51 UTC 2012 (1)",
> on FreeBSD 8.2, Soekris
> I have just done a test , bringing down and up the default rout interface and see no issue.
> NTP is still serving normally.
> Internet:
> Destination        Gateway            Flags    Refs      Use  Netif Expire
> default            192.168.1.1        UGS         0   328387   sis0
>
> selectron# ntpq -pn
>      remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
> o127.127.22.1    .PPS1.           0 l    4   16  377    0.000    0.002   0.008
> *192.168.1.4     .PPS1.           1 u    1   16  377    0.870    0.180   0.049
> 145.238.203.14  .INIT.          16 u    -   64    0    0.000    0.000   0.000
> 130.159.196.118 193.62.22.98     2 u  23d 1024    0   25.034    0.456   0.000
> 109.75.188.245  81.169.231.35    3 u  23d   64    0   18.327   -4.405   0.000
> x194.50.97.12    194.50.97.34     4 u   17   64  377   17.623   15.056   0.164
> +212.83.133.51   145.238.203.14   2 u    4   64  377    2.751    0.486   0.096
>
> selectron# ifconfig sis0 down; ifconfig sis0 up
>
> Sep  3 08:02:38 selectron su: mike to root on /dev/pts/0
> Sep  3 08:05:39 selectron routed[693]: interface sis0 to 192.168.1.50 turned off
> Sep  3 08:05:40 selectron routed[693]: interface sis0 to 192.168.1.50 restored
>
> $ ntpchk
> ntp is up and running - checking peer status
> Wed Sep  3 08:12:28 CEST 2014
>      remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
> o127.127.22.1    .PPS1.           0 l   10   16  377    0.000    0.011   0.008
> *192.168.1.4     .PPS1.           1 u    7   16  377    0.912    0.191   0.044
> 145.238.203.14  .INIT.          16 u    -   64    0    0.000    0.000   0.000
> 130.159.196.118 193.62.22.98     2 u  23d 1024    0   25.034    0.456   0.000
> 109.75.188.245  81.169.231.35    3 u  23d   64    0   18.327   -4.405   0.000
> x194.50.97.12    194.50.97.34     4 u    7   64  377   17.601   15.555   0.169
> +212.83.133.51   145.238.203.14   2 u   63   64  377    2.769    0.516   0.042
>
> Maybe it's a problem with your OS.
Could be, I am running CentOS 6.4, however I don't see the problem with the
latest devel release, ntpd 4.2.7p464 at 1.2483-o, which implies to me that it is a ntpd problem.

Anyone know when the 4.2.8 is to be released?



-- 
Stephen Clark
*NetWolves Managed Services, LLC.*
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
http://www.netwolves.com


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