[ntp:questions] Re: Servers reachable, but can't sync

David J Taylor david-taylor at blueyonder.co.uk
Sun Sep 11 06:31:44 UTC 2005


Danny Mayer wrote:
> David J Taylor wrote:
>> Greg McCann wrote:
>> []
>>
>>> To me, the network communications for the successful test (ntpdate
>>> -q) look exactly like the network communications for the
>>> unsuccessful test (ntpdate -b).
>>>
>>> I think this shows conclusively that the problem is not related to
>>> communication issues.
>>>
>>> I am stumped.  The communications seem to be perfect, and the -q
>>> mode functions flawlessly.  Yet in -b mode, after communication
>>> with the server is complete, ntp decides for unexplained reasons
>>> that it was "not suitable".
>>
>>
>> I don't know if this is related to a problem I've seen on the
>> Windows NTP port, where you can query a remote server with NTPQ but
>> the NTP daemon /sometimes/ refuses to talk with the server, instead
>> staying in the INIT or .STEP. status.  Sometimes it works, sometimes
>> it doesn't.  The only thing in common is that these servers are
>> accessed via my router rather than being on the LAN.
>>
>> At one stage, it was thought that having multiple interfaces on the
>> PC was the cause.
>>
>
> That's actually a possibility especially if this is your NT 4.0
> system. See Heiko's notes about this issue, particularly Bug #450.
>
> Danny

Danny,

The Windows NT 4 system never showed this problem, it was only the Windows 
2000 (and possibly the Windows XP) systems.  The version is from Terje 
Mathisen and says:

  version="ntpd 4.2.0 fr Oct 17 8:49:33 2003 (1)"

Cheers,
David 




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