[ntp:questions] Re: How often should server hop happen?

David J Taylor david-taylor at invalid.com
Wed Feb 2 13:26:48 UTC 2005

David Schwartz wrote:
>    More than once a day is suspicious.
>> I.e. an NTP client with say 5 servers in its list.  Would you expect
>> it to change server serveral times an hour, several times a day or
>> what?  I'm seeing several times an hour and wonder if I should put
>> in a "prefer" qualifier to reduce this.  I appreciate it does no
>> harm, but it does rather clutter the Windows event log!
>    I would try to track down why it's changing servers so often. One
> possible explanation is that network problems (or intermittent
> connectivity) is causing it to lose sync, then it when it re-acquires
> sync it has no special reason to prefer the server it was synched to
> awhile ago.

Thanks for that, David.  There are no loss of sync messages, simply 
"synchronised to <server-ip>" messages.  The reach is usually 377 when I 
check, and the poll interval 1024.  Network connectivity is normally 
100% - I am on a cable modem connection.


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