Thanks Mike,

Fatima

On Wed, Mar 24, 2010 at 4:42 PM, Mike Ayers <mike_ay...@tva.tvworks.com> wrote:
>> From: Fatima Peter [mailto:fatima.pe...@gmail.com]
>> Sent: Friday, March 19, 2010 1:33 PM
>
>>     I have a question on the mask parameter in the vacm view access
>> when it is included and excluded. I am not sure whether my earlier
>> email went out. Sorry if this is a duplicate.
>
>        This is a tough one to explain, and I don't have time to provide an 
> example, but I think you're misunderstanding the point of the mask.  It 
> allows you to skip one or more identifiers in an OID specification.  The 
> typical use case is for tables - access can be allowed to some of the 
> conceptual columns by setting the mask bit to 0 for the index.  This does 
> not, of course, work for string valued indices, which may explain why some 
> MIBs may be indexed by an arbitrary integer when there is one or more string 
> values that uniquely identify the conceptual row.
>
>
>        HTH,
>
> Mike
>
>

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