RE: Regarding Agentx

Hi!
Thank you very much Dave.

can I get clear explanation regarding first point that
is , How subagents will register with Master agent. Few documents
telling that

To register the subagent, the Master Agent binds
it to the MIB. The Master Agent then determines its present location,
using one of the following methods:

Static method - The Master Agent reads agent
resource files. This resource file contains an entry for each subagent.

Dynamic method - The Master Agent receives the
information from the subagents. The subagent sends a SET request
containing the MIB objects needed to register with the Master Agent,
through the use of the registration API.

If that above statement is right, then what is
resource files what it contains.



With Regards.
G.Siva Prakash Reddy.



-----Original Message-----
From: dave.shield@googlemail.com [mailto:dave.shield@googlemail.com] On
Behalf Of Dave Shield
Sent: Monday, May 21, 2007 2:18 PM
To: Siva Prakash Reddy G
Cc: net-snmp-coders@lists.sourceforge.net
Subject: Re: Regarding Agentx


On 21/05/07, Siva Prakash Reddy G <sivag@aztecsoft.com> wrote:
> 1. How subagents will register with Master Agent.

Just register the MIB modules as normal.
The agent framework will recognise that this is running as an AgentX
subagent, and forward the registrations to the master.

> 2. How to configure Master Agent and subagents.

The subagents won't need any special config (apart from any settings
that the individual MIB modules might require).

The master agent is set up as normal, but with one extra directive:

master agentx


> 3. If i am having parallel OID's, i mean if same oid's
> having subagents, how Master agent register the subagents.

When the subagents register with the master, they should specify an
appropriate context string. That context can then be used by the master
agent to distinguish between these subagents, and decide which subagent
to direct a particular incoming request on to.

You can specify the context directly with SNMPv3 (using -n),
or map from community strings to particular contexts in the
snmpd.file. I believe we've already explained the details of how
to do this in the earlier thread.


Please note that using AgentX instead of proxies will still not allow
you to query the same OID from two different subagents
in the same request. That is simply not possible with SNMP.

Dave


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