[ntp:questions] Very rapid polling

Danny Mayer mayer at ntp.org
Mon Feb 23 03:37:57 UTC 2009

David Woolley wrote:
> Danny Mayer wrote:
>> David Woolley wrote:
>>> Danny Mayer wrote:
>>>> There is no way to mark an NTP packet as invalid but then why would you
>>> There are several ways of marking a packet as effectively invalid.  The 
>>> real problem is that there is a lot of software out there (including 
>>> w32time) that will accept packets that the protocol says they should reject.
>> No, there's is no way to mark a packet as invalid. If you mean KOD
> Leap bits = 11, root dispersion > 1 second, stratum = 16.

That's not invalid. It will merely not get used by a conforming ntp or
sntp client.


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