HP-UX's native SNMP agent (snmpdm) is the acting master agent, running on
the default port 161. Net-SNMP is acting as a subagent, running on 8161.
The two are bridged by a program called naaagt (native agent adapter).
Basically, you provide naaagt with settings that will allow it to
communicate with the subagent, like the port, community, and what MIBs it
can access.
Since snmpdm and naaagt are native, they seem to be able to connect to each
other and disconnect pretty seamlessly; no restarting of daemons is
required. Everything goes through snmpdm on 161 and then the request is
sent to naaagt for processing. I think if the MIB is not on the native
agent adapter's MIB list, then it won't return anything, but if it simply
doesn't exist on the subagent, then the request is forwarded to the master
agent.
Dan
----- Original Message -----
From: "Thomas Anders" <[EMAIL PROTECTED]>
To: "Daniel Tang" <[EMAIL PROTECTED]>
Sent: Friday, August 12, 2005 8:51 AM
Subject: Re: perl-module.pl
Daniel Tang wrote:
I tested snmpwalk and snmptranslate, both worked just fine. The scenario
is, HP-UX has its own SNMP daemon, and apparently we don't want to
disable it or anything. We have a program native to HP-UX caled naaagt
that bridges HP-UX's agent with Net-SNMP. I don't know if that says
anything, but I forgot to point it out in an earlier e-mail.
You should point out (to the list), how exactly how this bridging is done.
What daemon is listening on what port/socket? Who's the master agent and
who's the subagent? This may well be the source of your problem.
+Thomas
--
Thomas Anders (thomas.anders at blue-cable.de)
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