[ntp:questions] Observation with ntp4.2.8 at p4-request inputs

brian utterback brian.utterback at oracle.com
Sat Dec 12 15:29:23 UTC 2015


Perhaps it would be best if you told us what you are trying to do, what
exactly is the event you are trying to trap?

On 12/12/2015 2:26 AM, Sowmya Manapragada wrote:
> Thanks all for your comments, but if that's expected , I need to depend on
> something other than the system / peer status words for trapping the
> correct  sequence of events?
> what I mean is even when my server is not reachable and system status word
> rv 0 = 0615 ..it means to the client (0 leap_none, 6- sync_ntp,1  event,
> 5-clock_sync).. and  only after 7 to 8 minutes rv 0 status changes and
> gives the correct status that the "server peer" is unreachable, same with
> the client associations status: only after 6 to 8  minutes  client shows it
> has lost the server peer ( not reachable)  ..am I missing something here ?
>
> thanks,
> Shyam
> On Sat, Dec 12, 2015 at 12:52 PM, Sowmya Manapragada <skoganty at gmail.com>
> wrote:
>
>> Thanks all for your comments, but if that's expected , I need to depend on
>> something other than the system / peer status words for trapping the
>> correct  sequence of events?
>> what I mean is even when my server is not reachable and system status word
>> rv 0 = 0615 ..it means to the client (0 leap_none, 6- sync_ntp,1  event,
>> 5-clock_sync).. and  only after 7 to 8 minutes rv 0 status changes and
>> gives the correct status that the "server peer" is unreachable, same with
>> the client associations status: only after 6 to 8  minutes  client shows it
>> has lost the server peer ( not reachable)  ..am I missing something here ?
>>
>> thanks,
>> Shyam
>>
>> On Fri, Dec 11, 2015 at 5:30 PM, <questions-request at lists.ntp.org> wrote:
>>
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>>>    1. Re: Observation with ntp4.2.8 at p4-request inputs (brian utterback)
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>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Thu, 10 Dec 2015 08:01:14 -0500
>>> From: brian utterback <brian.utterback at oracle.com>
>>> To: elliott.ch at comcast.net, "'Sowmya Manapragada'"
>>>         <skoganty at gmail.com>,   questions at lists.ntp.org
>>> Subject: Re: [ntp:questions] Observation with ntp4.2.8 at p4-request
>>>         inputs
>>> Message-ID: <5669779A.7040507 at oracle.com>
>>> Content-Type: text/plain; charset=windows-1252
>>>
>>> Yes, that is the expected behavior.
>>>
>>> On 12/10/2015 6:55 AM, Charles Elliott wrote:
>>>> FWIIW, I have seen a similar phenomenon, only with one server.  If the
>>> time
>>>> server on my network stops dispensing time for some reason, the
>>> computers on
>>>> the LAN will still stay sync'ed to its last observation long after the
>>> reach
>>>> indicator goes to zero.  Not sure if that is right.
>>>>
>>>> Charles Elliott
>>>>
>>>> -----Original Message-----
>>>> From: questions
>>>> [mailto:questions-bounces+elliott.ch=comcast.net at lists.ntp.org] On
>>> Behalf Of
>>>> Sowmya Manapragada
>>>> Sent: Wednesday, December 9, 2015 10:26 PM
>>>> To: questions at lists.ntp.org
>>>> Subject: [ntp:questions] Observation with ntp4.2.8 at p4-request inputs
>>>>
>>>> Hello All,
>>>> Just wanted to check if what I am observing with4.2.8p4 is as expected
>>> or I
>>>> missed out something because I don't see this with older 4.2.8p2/p3 :I
>>> have
>>>> a client having 2 NTP servers (both servers in my LAN ), client makes
>>> one as
>>>> a peer ( to which it is currently synced) and other as a candidate; the
>>> peer
>>>> (server) goes down, my client at least waited 7 to 8 min to reject this
>>> peer
>>>> server and choose the available one... Checked in Mein berg monitor tool
>>>> also and rv0 command ... The status word just don't show that client
>>>> rejected server until 7 to 8 minutes... Wire shark correctly shows no
>>>> packets exchanged between my clint and peer ( right from moment when
>>> server
>>>> which is down)..my client ntp.conf is standard with an iburst...
>>>> Thanks in advance
>>>> Shyam
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1 Oracle Dr. | Nashua, NH 03062
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