[ntp:questions] Excessive NTP configuration of a stratum 2 server

David L. Mills mills at udel.edu
Wed Jan 17 19:35:03 UTC 2007


Steve,

For record, there once was a misguided ISP with 100 routers, each and 
every one of which configured the other 99 routers in symmetric active 
mode. Hey, it's his network.

Dave

Steve Kostecke wrote:
> On 2007-01-17, Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
> 
> 
>>shoppa at trailing-edge.com wrote:
>>
>>
>>>Eric wrote:
>>>
>>>
>>>>For the group's amusement, below are the results of an NTPQ "peer"
>>>>command to a us.pool.ntp.org server (located in Florida). 
>>>
>>>I will agree with "excessive"!
>>
>>Perhaps the documentation needs to emphasize that nptd can't use more 
>>than ten servers at once
> 
> 
> The documentation clearly states that any peer which is not among the
> first ten peers sorted by synchronization distance will be discarded!
> See http://www.eecis.udel.edu/~mills/ntp/html/ntpq.html !!
> 
> If you feel that this information belongs in the community supported
> documentation please feel free to add it!!! If you feel that this
> information belongs somewhere else please go through the usual
> channels!!!!
> 
> 
>>and that this sort of thing borders on abusive!
> 
> 
> This server is the exception! Not the rule!! Usually we see that people
> don't use enough servers!!!
> 
> 
>>I'm sure the server in question would benefit from a much more cluefull 
>>selection.  It's ridiculous for a server in Florida to use a server in 
>>Japan!!
> 
> 
> !!!!!
> 




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