Hi All,
We are using Net-snmp-5.2.2 as Agentx Master agent and subagent.
Our subagent registers OIDs with SNMPD using helper functions in table.c
and scalar.c.
After subagent has established Agentx session with SNMPD and registered
OIDs, when SNMPD goes down, subagent detects this as there will be no
response from SNMPD for Agentx ping request. Later when SNMPD comes up,
subagent detects this and registers the OIDs present in it's data
structures with SNMPD. We can know that that registration of a certain
OID is completed by doing snmpwalk on nsModuleTable. If the OID is
present in snmpwalk output, then the OID is known to be registered.
In this kind of situation where Net-snmp code/function sends register
messages to SNMPD after SNMPD goes down and comes up, is there any other
mechanism to find out the completion of all registrations with SNMPD.?
Because application code does not come to know that Net-snmp code in
subagent has sent out all the registration messages to SNMPD. For
example, does the net-snmp code of subagent send a trap to indicate that
it has sent out all the registrations that were present in it's data
structures after SNMPD has come up. If this trap is not existing
currently in Net-snmp, If I add it in Net-snmp code and submit it as a
patch, will it be accepted by the group.?
We had this requirement to know the completion of OID registrations by
subagent after SNMPD has come up. Our test application will start doing
snmp operations after the registrations are completed. As I mentioned
above, it is known by doing snmpwalk on nsModuleTable, but an
asynchronous event/trap from subagent would be more useful..
So please let us know your thoughts/comments on this.
Thanks & Regards,
Suresh.
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