Re: Howto setup netsnmp for proxying and failover

Dave Shield <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
On 20 May 2010 11:10, Boris Zweimueller <[email protected]> wrote:
> If you don't mind I have just one more quetsion regarding Traps.
>
> I read that they are 'unreliable'. This is ment regarding the transport
> protocol, is this correct?

No.
They are "unreliable" because they are not acknowledged by the
receiving station.
Inform requests are "reliable" because they are acknowledged.
   (Though the sender has no idea what the receiver actually did with
this notification!)

> If I use TCP, then they will be reliable.

No - see above.


> I plan to use them for asynchronous communication from the parallel agents to the
> master agent.

Probably not a good idea.



> - e.g. a getter to check for the computation to be finished.
> - a aspecial implementation for the SET of a specific value which starts the
> computation and finally stores the result (ok/notok) in the variable. after
> that it can be read with the corresponding GET.

That would be a more sensible approach.
I would suggest four possible values for this object:

   ok
   notok
   calculating
   startCalculation

with the first three being returned by a GET request,
and the fourth being the only valid SET assignment.

Dave

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