RE: Returning zero or empty string for unsupported objects

["Wijnen, Bert (Bert)" <bwijnen@lucent.com>]

GREAT! That is the one I was trying to find

Thanks,
Bert 

> -----Original Message-----
> From: Randy Presuhn [mailto:randy_presuhn@mindspring.com]
> Sent: zaterdag 8 november 2003 2:36
> To: Mreview (E-mail)
> Subject: Re: Returning zero or empty string for unsupported objects
> 
> 
> Hi -
> 
> > From: "Wijnen, Bert (Bert)" <bwijnen@lucent.com>
> > To: "Andy Bierman" <abierman@cisco.com>
> > Cc: "Mreview (E-mail)" <mreview@ops.ietf.org>
> > Sent: Friday, November 07, 2003 4:58 PM
> > Subject: RE: Returning zero or empty string for unsupported objects
> ...
> > yes yes I know. I am trying to locate as much text in RFCs 
> that spells
> > that out.
> ...
> 
> How about RFC 2580 clause 3 second paragraph? It says:
> 
>    To "implement" an object, an agent must return a 
> reasonably accurate
>    value for management protocol retrieval operations; 
> similarly, if the
>    object is writable, then in response to a management protocol set
>    operation, an agent must accordingly be able to reasonably 
> influence
>    the underlying managed entity.  If an agent can not implement an
>    object, the management protocol provides for it to return an
>    exception or error, e.g, noSuchObject [4].  Under no circumstances
>    shall an agent return a value for objects which it does 
> not implement
>    -- it must always return the appropriate exception or error, as
>    described in the protocol specification [4].
> 
> Randy
> 
> 
>