Re: Adding description within trap PDU

On Mon, Jan 15, 2018 at 11:56 PM, Bart Van Assche <[email protected]>
wrote:

> On 01/15/18 20:22, Fulko Hew wrote:
>
>> b) I've always considered David Perkins' book 'Understanding SNMP MIBs'
>> as a good reference on how to interpret the specs.
>>
>> For TRAPS it says: The optional VARIABLES clause of the TRAP-TYPE
>> construct
>> is used to specify one or more scalar or columnar objects that describe
>> the event."
>>
>
> Sorry but what I remember from David Perkins' book is different. I think
> he mentioned that it is allowed to send additional varbinds.



It may be there but I didn't see it during my quick review last night.
​

Regarding TRAPs, a quote from section 2.1.2 of RFC 1215 (
> https://tools.ietf.org/html/rfc1215):
>
>    The VARIABLES clause, which need not be present, defines the ordered
>    sequence of MIB objects which are contained within every instance of
>    the trap type.  Each variable is placed, in order, inside the
>    variable-bindings field of the SNMP Trap-PDU.  Note that at the
>    option of the agent, additional variables may follow in the
>    variable-bindings field.
>
> I don't think that it could have been stated more clearly than in the last
> sentence of the above paragraph ...
>

​OK, you win.​ It it there. I stand corrected, it is allowed.
My sincerest apologies.

Still, personally (and despite that its allowed by spec), _I_ would never
do it,
and will still never 'recommended' to anyone to send undocumented stuff.

​Fulko
​

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