NET SNMP Sub agent And Master Agent Connection

Hello Dev and all,


I am getting this crash sometimes from the sub agent code.

i am creating my sub agent as a static library that works with the main
application.
from my application i am initializing this library.

than through the register function from teh main application i am
registering the OIDS with the master agent.

#0  0x0017befd in agentx_check_packet () from /usr/lib/libnetsnmpagent.so.10

#1  0x0057910d in _sess_read () from /usr/lib/libnetsnmp.so.10

#2  0x0057a419 in snmp_sess_read () from /usr/lib/libnetsnmp.so.10

#3  0x0057a46f in snmp_read () from /usr/lib/libnetsnmp.so.10

#4  0x0054c355 in snmp_synch_response_cb () from /usr/lib/libnetsnmp.so.10

#5  0x001863d5 in agentx_synch_response () from
/usr/lib/libnetsnmpagent.so.10

#6  0x00186c31 in agentx_register () from /usr/lib/libnetsnmpagent.so.10

#7  0x0016ce15 in agentx_registration_callback () from
/usr/lib/libnetsnmpagent.so.10

#8  0x0059850c in snmp_call_callbacks () from /usr/lib/libnetsnmp.so.10

#9  0x001631c7 in netsnmp_register_mib () from
/usr/lib/libnetsnmpagent.so.10

#10 0x00168dd6 in netsnmp_register_handler () from
/usr/lib/libnetsnmpagent.so.10

#11 0x004c6fe3 in netsnmp_register_serialize () from
/usr/lib/libnetsnmphelpers.so.10

#12 0x004c25b3 in netsnmp_register_instance () from
/usr/lib/libnetsnmphelpers.so.10

#13 0x004c2619 in netsnmp_register_int_instance () from
/usr/lib/libnetsnmphelpers.so.10

#14 0x08780664 in CSnmpAgent::Register (this=0xb71f3918, Name=0x87e66bb
"TotalNumberOfUser")


Regards
Ashish Vashishtha



On Tue, Mar 16, 2010 at 6:04 PM, Dave Shield <[email protected]>wrote:

> On 16 March 2010 11:43, Ashish vashishtha <[email protected]>
> wrote:
> > in case multiple subagent are running on the same machine can we
> configure
> > different sub agent ports for each subagent to establish connection with
> > master agent ?
>
> Why?
>
> The master agent will be listening on a standard port
> (typically the named socket /var/agentx/master or TCP port 705)
> for connections from the subagents.   That's what the configuration
> settings are concerned with.
>
> The subagents will use a random source port, but connect
> to the same server port - just as for any other client-server setup.
>
> Why would you want to set up distinct listening ports for each
> individual subagent?   That's just introducing unnecessary complexity.
>
> Dave
>



-- 
Regards
Ashish Vashishtha

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