[AGENT++] Creating Rows in Shared MIB Tables

[Bob Natale]

Hi Jens,

Speaking just from the AgentX perspective, there are at least two
ways to handle row-level table sharing across sub-agents...both
implemented via the Agentx-Register-PDU:

1.  Using the non-default-context flag (and r.context value).
2.  Using the "range" registration constructs.

Cheers,

BobN
www.winsnmp.com

---- Original message ----
>Date: Wed, 18 Feb 2004 13:28:47 +0100
>From: "Jens Engel" <Jens.Engel at marconi.com>  
>Subject: [AGENT++] Creating Rows in Shared MIB Tables  
>To: agentpp at agentpp.org
>
>Hello,
>
>I just came across a conceptual problem when MIB tables are shared via 
2
>subagents.
>NOTE: Currently, it is just a mind game.
>
>ENVIRONMENT:
>- 1 SNMP master agent with 2 subagents (via AgentX)
>- Each subagent provides a set of rows in a shared MIB table that it
>registers w/ master agent on startup
>- MIB table allows to create new rows
>
>QUESTIONs:
>- Can each subagent declare itself responsible in the AgentX master 
when
>table rows should be created?
>  NOTE: When certain values for the row index are used, creation 
occurs in
>subagent 1, otherwise in subagent 2.
>- How does a subagent describe this responsibility w/ AgentX++ ???
>
>
>POTENTIAL PROBLEM AVOIDANCE STRATEGY:
>The normal work-around this problem that came to my mind was the usage 
of
>CONTEXTs.
>Each subagent registers its portion of a MIB table (or MIB module) in 
the
>default context
>and a subagent specific context.
>This should allow to create rows in any subagent by making this 
decision in
>the SNMP client.
>For example, a subagent 1 registers its MIB modules in 
context "Subagent1".
>The subagent 2 registers its MIB modules in context "Subagent2".
>
>Ciao,
>Jens Engel
>
>
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