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

Danny Mayer mayer at gis.net
Sun Sep 11 02:23:35 UTC 2005


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

> David 
> 
> 
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