Re: subagents

Thanks a lot for the clarifications. It is very helpful

On Thu, Jan 14, 2016 at 9:44 PM, Bill Fenner <[email protected]> wrote:

> On Thu, Jan 14, 2016 at 12:22 AM, Pushpa Thimmaiah <
> [email protected]> wrote:
>
>> Thank you Fulko Hew and Alan for the information.
>>
>> So one can use 'snmptrap' and 'agentxtrap' depending on the requirement.
>> Traps by snmptrap, agentxtrap are doesnot have any difference at the
>> trap-receiver side.  Am I correct?
>>
>> 1. If requirement is to
>>    - Send traps via snmp-agent.
>>    - Avoid duplicate config info
>>    - Send a trap  to all destination IPs configured in snmpd.conf
>>   then go with agentxtrap.
>> else 'snmptrap' can be used
>>
>
> One other criteria is that if you have the NOTIFICATION-LOG-MIB
> configured, traps sent via 'agentxtrap' will create an entry in
> NOTIFICATION-LOG-MIB, but traps sent via 'snmptrap' will not.
>
>   Bill
>
>
>> On Wed, Jan 13, 2016 at 9:30 PM, Robson, Alan <[email protected]>
>> wrote:
>>
>>> That is the first I’ve heard of agentxtrap. But from the description
>>> online…
>>>
>>>
>>>
>>> 1)      Any application from any user can send a trap, either by using
>>> snmptrap or by just creating a packet and sending it
>>>
>>> 2)      Only applications/users that can access the agentx socket can
>>> use agentxtrap and that may mean that only processes running as root will
>>> have permission to use it
>>>
>>> 3)      A trap sent with agentx goes to the location specified in the
>>> snmpd.conf file
>>>
>>> 4)      A trap sent by snmptrap, or by creating the trap manually has
>>> to be told the destination on the command line or in the packet.
>>>
>>>
>>>
>>> Alan
>>>
>>>
>>>
>>> *From:* Pushpa Thimmaiah [mailto:[email protected]]
>>> *Sent:* Wednesday, January 13, 2016 2:34 AM
>>> *To:* Robson, Alan
>>> *Cc:* [email protected]
>>> *Subject:* Re: subagents
>>>
>>>
>>>
>>> Hi ,
>>>
>>> Adding to previous mail,
>>>
>>> I found one difference between agentxtrap and snmptrap.   agentxtrap can
>>> be used if trap to be sent by snmp-agent.
>>>
>>> Is there any reason to use 'agentxtrap' over 'snmptrap'
>>>
>>> Thanks,
>>>
>>> Pushpa.T
>>>
>>>
>>>
>>> On Wed, Jan 13, 2016 at 3:54 PM, Pushpa Thimmaiah <
>>> [email protected]> wrote:
>>>
>>> Thank you Fulko Hew , Alan.
>>>
>>> My doubt was
>>>
>>> 1. Does AgentX feature only to handle request from querying application
>>> i.e snmpwalk
>>>
>>>  <pushpa> I gone through wikipidea, It says that it can be used to send
>>> trap using 'agentxtrap' </pushpa>
>>>
>>>
>>>
>>> I need net-snmp only to send traps,
>>> 1. Is it better to use agentxtrap to send trap
>>>
>>> 2.  Does 'agentxtrap'  has any advantages over 'snmptrap'
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Pushpa.T
>>>
>>>
>>>
>>> On Wed, Jan 13, 2016 at 9:15 AM, Robson, Alan <[email protected]>
>>> wrote:
>>>
>>> Snmpd will respond to snmp requests for the MIB variables it
>>> understands. But if you add new software that has a MIB of its own, snmpd
>>> cannot respond because it has no knowledge of the new software or its
>>> internal state. Someone can write an snmp subagent that will respond to
>>> requests about the new software. Snmpd will pass on requests to the
>>> subagent. The subagent communicates with snmpd using the agentx API.
>>>
>>>
>>>
>>> Alan
>>>
>>>
>>>
>>> *From:* Pushpa Thimmaiah [mailto:[email protected]]
>>> *Sent:* Tuesday, January 12, 2016 6:57 PM
>>> *To:* [email protected]
>>> *Subject:* subagents
>>>
>>>
>>>
>>> Hi Folks,
>>>
>>> Does  agentX feature is to support snmpget/snmpset  ?
>>>
>>> Thanks
>>>
>>> Pushpa
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
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>

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