RE: standalone perl agent

> From: [email protected] [mailto:[email protected]] 
> Sent: Friday, May 01, 2009 9:54 AM

> But as I installed net-snmp and tried to create the perl 
> agent it turned 
> out that the only perl agent I can write is one running 
> imbedded in the 
> snmpd process.

	Do you mean a subagent?  Generally, an "agent" handles SNMP requests from outside entities and determines the answer, either from its own logic or by querying attached "subagents", which each handle typically only a specific MIB or two.

> Is it possible to write a perl agent - a standalone perl agent - not 
> started by snmp* daemon ?
> By standalone I mean the agent can be started from shell prompt  with 
> "/opt/acme/bin/perl /opt/acme/bin/my-snmp-agent"

	For a subagent - yes, in principle, but there's no support for such in net-snmp.

> if not, may be it is possible to tell snmpd daemon to use 
> /opt/acme/bin/perl interpreter when it sees the 
> "perl do  /opt/acme/bin/my-agent.pl" 
> in the snmpd.conf ?

	What?!

> I have been banging my head with this for last 3 days, 
> reinstalling perl 
> and net-snmp packs.
> I do appreciate any hints/help

	You can implement a virtual subagent with the "extend" directive of snmpd.conf like so:

extend .1.3.6.1.4.1.8072.9999.99 agent-99 /opt/acme/bin/perl /opt/acme/bin/my-agent.pl

	Perhaps this is what you are trying to do?


	HTH,

Mike

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