[ntp:questions] Will ntpd tell me if it encounters problems?

Danny Mayer mayer at ntp.isc.org
Sun Apr 15 20:16:29 UTC 2007


David Woolley wrote:
> In article <46216403.10504 at ntp.isc.org>, mayer at ntp.isc.org (Danny Mayer) wrote:
> David Woolley wrote:
> 
>>> ntpd also has a trap reporting mechanism, but I don't know of any
> 
>> I don't know anything about this. Care to expand on this?
> 
> ntp-4.2.0/html/ntpdc.html
>    traps
>           Display the traps set in the server. See the source listing for
>           further information.
> 
>    addtrap [ address [ port ] [ interface ]
>           Set  a  trap  for asynchronous messages. See the source listing
>           for further information.
> 
>    clrtrap [ address [ port ] [ interface]
>           Clear  a trap for asynchronous messages. See the source listing
>           for further information.
> 
> ntp-4.2.0/html/accopt.html
>         lowpriotrap
>                 Declare  traps  set by matching hosts to be low priority.
>                 The number of traps a server can maintain is limited (the
>                 current  limit  is  3).  Traps  are usually assigned on a
>                 first   come,   first   served  basis,  with  later  trap
>                 requestors  being  denied service. This flag modifies the
>                 assignment algorithm by allowing low priority traps to be
>                 overridden by later requests for normal priority traps.
> 
>         notrap
>                 Decline to provide mode 6 control message trap service to
>                 matching  hosts.  The  trap service is a subsystem of the
>                 ntpdq  control message protocol which is intended for use
>                 by remote event logging programs.
> 
> 
> That's about the limit of my knowledge.

Which probably means that only Dave knows how to use them and what they
are useful for.

Danny



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