10x you Dave for your detailed answer

Regards,
Marwan
----- Original Message ----- 
From: "Dave Shield" <[email protected]>
To: "Marwan Khoury" <[email protected]>
Cc: <[email protected]>
Sent: Wednesday, August 12, 2009 5:28 PM
Subject: Re: Mutliple agentx subagents


> 2009/8/12 Marwan Khoury <[email protected]>:
>> I would like to run multiple subagents agentx and one snmpd server.
>>
>> 1- I should probably run each agentx on a different UDP port, how can I
>> realise this?
>
> Firstly, AgentX doesn't run over UDP.
> It typically uses TCP or a local named socket.
>
> Secondly, each subagent will automatically choose a random TCP port,
> when it connects to the master agent.   You don't need to worry about 
> this,
> it happens automatically.
>
>
>> 2- When I send an snmp request, how will the snmpd know which subagent is
>> suppose to handle the request
>
> When the subagent connects to the master agent, it registers for the OIDs
> that it is willing to handle.   The master agent keeps a record of these
> registrations, and passes incoming SNMP requests off to the appropriate
> subagent.
>
>
>>                          shouldn't I add something in the
>> configuration to help the snmpd decide which subagent will handle the
>> request?
>
> No.
> That's one of the significant differences between AgentX and the previous
> SMUX protocol.   The master agent does *not* need to know what subagents
> to expect or what OIDs they will handle.  All of this is handled 
> on-the-fly
> when the subagents connect and register.
>
> See the RFC specifications for more details.
>
> Dave


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