[SNMP4J] creating own agent

[Martin Fischer]

Thanks a lot, we will consider your suggestions!

Eugene R. Snider schrieb:
> That depends on what the intended purpose of the SNMP interface is.
> Assuming that you have a management and monitoring interface of some
> sort then the agent need be little more a NOC line status monitoring tool.
> 
> I recently finished an agent that was not dissimilar. In that case the
> customer wanted to integrate the remote monitoring devices with the
> centralized NOC. The solution we arrived at was, in fact, a MIB. However
> the implementation of the agent delivered only the ifTable which
> provided the ifIndex, ifDesc and a tny number of other fields. The
> monitoring devices sent a UDP event stream to the agent which populated
> the ifTable and threw traps which represented the monitor events but
> there was no device specific tables, indices or other cumbersome managed
> objects.
> 
> The customer end user was very pleased, the event notifications
> contained the essential information to be communicated to the NOC team
> and the ifIndex/ifTable managed objects were easily integrated into
> their existing OpenView deployment.
> 
> This sound counter-intuitive until one remembers that an SNMP agent is a
> brain damaged pawn of the remote manager and need only provide the level
> of information that can be reasonably expected of an 80's era router.
> Trust me, if you throw the traps and keep the ifIndex, ifDesc,
> ifAdminStatus and ifOperStatus fields current you have provided the NOC
> with all the information they need to manage and monitor your network.
> 
> The mib and mib  handlers themselves were very simple containing only
> the objects which were associated with the trap using
> accessible_for_notify and a few textual conventions.  I bound the
> appropriate elements from the data stream, threw the trap(s) and I was
> done.
> 
> To create the mib I took the example ifMIB and deleted everything that
> wasn't related to linkUp/linkDown traps and built up from there.
> 
> Also I would recommend that your initial MIB be located off the
> experimental branch so you can abandon it when you do the second
> generation...
> 
> Not to detract from SNMP4j but I can recommend the Unleashed SNMP tools
> (I have no affiliation with them) for trap monitoring and mib walking.
> 
> Gene
> 
> Martin Fischer wrote:
>> We are working on wireless sensor networks with motes and want to
>> transmit sensor data over SNMP. It would make sense to create our own
>> MIB, wouldn't it?
>>
>> Eugene R. Snider schrieb:
>>  
>>> My first suggestion is to determine if you really need your own MIB or
>>> if one of the existing MIBs will fill your needs. Most people spend a
>>> great deal of unecessary time and effort creating enterprise specific
>>> SNMP implementations when they don't need too.
>>>
>>> Gene
>>>
>>> Martin Fischer wrote:
>>>    
>>>> Hi there,
>>>> I'm pretty new to SNMP4J so please be patient ;)
>>>>
>>>> We want to create our own agent. So we took the TestAgent and used the
>>>> static table of the createStaticIfTable() method. We put all our
>>>> data in
>>>> that table and they showed up in the interface table of our NMS.
>>>>
>>>> So far so good but now we want to change the position of our data in
>>>> the
>>>> OID tree. They should not show up under interfaces.
>>>>
>>>> What is the easiest way to do that? Do we have to write our own
>>>> xyzMib.java like the IfMib.java and register it?
>>>>
>>>> Any suggestions are welcome!
>>>>
>>>> Regards
>>>> Martin
>>>>
>>>> _______________________________________________
>>>> SNMP4J mailing list
>>>> SNMP4J at agentpp.org
>>>> http://lists.agentpp.org/mailman/listinfo/snmp4j
>>>>         
>> _______________________________________________
>> SNMP4J mailing list
>> SNMP4J at agentpp.org
>> http://lists.agentpp.org/mailman/listinfo/snmp4j
>>