Many thanks all,
you gave me really useful information.
For the moment I going in the direction of parsing the output but I wonder
if the type STRING can be overriden by any other dattype in a specific MIB
written on purpose. As noticed it's a bit risky because for the string type
we don't know anything in advance, we can only query its lenght.
Regards, Alex
2016-05-14 7:43 GMT+02:00 Mattias Barthel <mbart...@accedian.com>:
> Lets look at snmp type BITS which is actually an OCTET-STRING with a very
> special format.
> It can be used for to assign what parts of a quantity an entity supports.
> Take a network interface for example. What media types does it support?
>
> BITS is an snmp type derived from a primitive snmp type.
>
>
> https://www.webnms.com/snmp/help/snmpapi/snmpv3/using_mibs_in_applns/bits_datatype.html
>
>
> On Friday, 13 May 2016, alessandro macuz <alessandro.ma...@gmail.com>
> wrote:
>
>> Thank you Fedor and Mattias.
>>
>> @Mattias I haven't seen such MIBs. I have to admit that I tried to learn
>> them but I haven't understood this capabilities of their of parsing the OID
>> output.
>>
>> Maybe I haven't sought the Internet in the right way.
>>
>> Do you perhaps have an example or a web-page where I can read of this
>> specific MIBs that parse the OID value and learn from it?
>>
>> Many thanks in advance,
>>
>> Alex
>>
>> 2016-05-13 10:02 GMT+02:00 Mattias Barthel <mbart...@accedian.com>:
>>
>>> A MIB writer can define a new type.
>>> We do that a lot.
>>>
>>>
>>> On Friday, 13 May 2016, alessandro macuz <alessandro.ma...@gmail.com>
>>> wrote:
>>>
>>>> Hello all,
>>>>
>>>> I tried to search the Internet for my answer but I don't seem to find
>>>> it.
>>>>
>>>> At my company we have an appliance that for some OIDs it doesn't return
>>>> an integer calue that can be processed and graphed but a string that looks
>>>> like the following
>>>>
>>>>
>>>>
>>>> .1.3.6.1.3456.c.f.r.t.h.y.j.uu.i.w. : STRING ::This OID gives the
>>>> height of the cake in the owen = 5.45
>>>>
>>>> Where the value of te OID is "This OID gives the height of the cake in
>>>> the owen = 5.45"
>>>>
>>>> The vendor of the appliance doesn't release any MIB and from my
>>>> understanding the way to provide a human exclamation is right returning a
>>>> self-explanatory-string AND the value.
>>>>
>>>> As far as I know MIBs can only serve to describe the OIDs' structure.
>>>>
>>>> Now the quite-a-newbie-question: can a MIB be used to describe the
>>>> format of the OID's value?
>>>>
>>>> I don't think so and I'd like to hear the opinon from somebody who
>>>> knows SNMP much better.
>>>>
>>>> Because the SNMP poller we use cannot parse such returned value.
>>>>
>>>> Thanks in advance,
>>>>
>>>> Alex
>>>>
>>>
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