AgentX support

[Guy.HINDELL____opentrade.co.uk]

Err, yes that certainly makes a difference :-) Looks like I've been fooled
by
something I read on the output of 'netstat -a', dunno what.

However, I notice that the 'subagent2' binary works against the UCD agent
(when
I walk .1.3.6.1.2.1.37 I get three oids back), but the 'subagent' binary
does not.
They both work with the agentX++ master agent. I'll keep playing with it.

Also, I compared the behaviour of the subagent atm_mib with the original
agent++ example running as a stand-alone agent, and that gives the same
result,
but needed a slight fix to compile - gcc complains about the use of an
snmp_community_mib in agent.cpp which doesn't exist if SNMPv3 is not
defined. Needs
a #ifdef :-)

I suspect the same is true for the proxy example (seems to know not to
instantiate
an snmp_community_mib object, but then calls it's add method anyway), and
the
cmd_exe_mib example (uses UsmUserTable from the v3_mib.h).

guy

>
> I did try running the example subagent contacting the UCD agent as a
master
> (you note that this appears feasable in the TODO document in the examples
> directory), but things aren't working quite right - looks like the
subagent
> registers (but I might be wrong) but no requests are forwarded to it. The
> agentX++ master uses tcp/1510 to listen for agentx subagents, so I'm
> starting the UCD agent to use that port for agentx also...
>

The default port AGENT++ uses depends on the settings in your /etc/services
file. The UCD subagent does the same by default. Normally you should be
able to run both without setting the TCP port explicitly.

If there is no etc/services entry for agentx, then AgentX++ uses 705 as its
TCP port.

Hope that helps.

Best regards,
Frank


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