[ntp:questions] how will this effect stability

Terje Mathisen terje.mathisen at hda.hydro.com
Wed Feb 14 21:52:33 UTC 2007

Uwe Klein wrote:
> Terje Mathisen wrote:
>> There is a special option which you can use in your ntp.conf file, 
>> which specifies this buffer, I'm trying to remember the name...google
>> http://www.eecis.udel.edu/~mills/ntp/html/miscopt.html
>> What you want is something like 'tinker huffpuff 86400' to make a 
>> 24-hour buffer in which to look for the minimum round-trip time: All 
>> packets which are delayed significantly more than this time will be 
>> checked for consistency (i.e. the resulting time must be within the 
>> possible interval), but will not directly modify the system clock.
> This comes in usefull for me, sitting on a line that has excursion
> in roundtrip delay due to heavy traffic.( dsl/isdn )
> can i introspect this somehow while it is running?

Possibly, if you have crypto keys configured. In that case many (but not 
all!) config file parameters might be entered/modified using ntpdc

Anyway, with a relatively stable clock and iburst you'll only be offline 
for a number of seconds if you restart the deamon.


- <Terje.Mathisen at hda.hydro.com>
"almost all programming can be viewed as an exercise in caching"

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