Re: Net-snmp 5.7.3 - Issue to communicate with subAgent and Master Agent

On Sun, Feb 02, 2020 at 02:13:59PM +0100, Philippe Denis wrote:
> Hello all,
> 
> I've a problem to communicate with my subAgent through the Master Agent.
> I've used the option -Dnetsnmp_udpbase and the message is correctly
> received at master Agent level (of course, the one which send from remote
> PC or localhost).
> 
> The Master Agent is not responding to the request sent by an snmpget
> command.
> 
> The Master Agent is launched with the this command line:
> 
> 
> *snmpd -Dnetsnmp_udpbase -f -Lo -C -c /usr/share/snmp/snmpd.conf
> -agentXSocket=tcp:localhost:1705 udp:1161 -VVV*
> 
> *See attached the log of the command:*

Could you please rerun the test with the agent debug flags
-Dagentx -Dtdomain

-Dagentx logs the agentx interactions
-Dtdomain logs all opening of sockets

> *registered debug token netsnmp_udpbase, 1Log handling defined -
> disabling stderrTurning on AgentX master support.netsnmp_udpbase: open
> local UDP: [0.0.0.0]:1161->[0.0.0.0]:0netsnmp_udpbase: set
> IP_PKTINFOnetsnmp_udpbase: binding socket: 7 to UDP:
> [0.0.0.0]:0->[0.0.0.0]:1161NET-SNMP version 5.8*
> 
> Which is based on the one present in
> http://net-snmp.sourceforge.net/wiki/index.php/TUT:Writing_a_Subagent
> 
> The content of the snmpd.conf used is the following one:
> 
> master agentx
> agentxsocket /var/agentx/master
> agentxperms 777 777
> 
> rwuser MyCom_RW
> rouser MyCom_RO
> 
> 
> For the subagent, I'm using the following command line:
> 
> *./mysubagent -f -Lo -x  tcp:localhost:1705*
> 
> 
> *snmpget -v 2c -c MyCom_RW localhost .1.3.6.1.4.1.32699.255.4.1.0Timeout:
> No Response from localhost.*
> 
> I'm quite surprise my mib is known as the snmptranslate -Tp -IR MyTestmib
> answered correctly.

This means you have told snmptranslate where the mib is located. This is good.

> I've also used net-snmp 5.8 but still have the same result.
> 
> Thanks by avdance for your help
> -- 
> Cordialement
> Ph. DENIS


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