[ntp:questions] SNTP server + ntpd 4.2.4 client
Richard B. Gilbert
rgilbert88 at comcast.net
Sat Mar 22 15:04:20 UTC 2008
Danny Mayer wrote:
> Harlan Stenn wrote:
>>David> NTP clients must use NTP servers, not SNTP ones.
>>I do not believe this is true.
>>The problem is one might want to *know* that the SNTP server is actually
>>talking to a refclock, or more generally, that the SNTP "instance" is
>>playing by the rules.
> There is no way to ensure that. Furthermore there is nothing in the
> protocol which allows you to differentiate between the two. This is
> really a non-starter.
I can't say it's worth doing but you could always add some sort of a tag
to the NTP packet that says "I am an NTP server" or "I am an SNTP Server
with a reference clock" or "I am an SNTP leaf node and I'm not supposed
to talk to you"
More information about the questions