initiate a coldStart / warmStart trap

Hi all, and thanks for all your help,

I am attempting to write a subagent, and at the moment I'm a little confused about how to initiate my own coldStart/WarmStart traps.

The first problem I was facing was that these traps were already being sent by the agent with the enterprise of net-snmp, and not "mine" = the one in the system mib implemented by my subagent. I found the record that explained how to disable them, by removing the "send_easy_trap" calls in the agent code, and did just that.

Now I need to generate these traps without any additional varbinds.

I init a session as I do for all other enterprise specific traps I send - no problem there.
Then I tried both using send_easy_trap(0, 0), or send_v2trap (as I do for all the other traps) - with calling just
                        snmp_varlist_add_variable(
                                                &notification_vars,
                                                objid_snmptrap, objid_snmptrap_len,
                                                ASN_OBJECT_ID,
                                                (u_char *) coldStart_notification_oid_p, coldStart_notification_oid_len * sizeof(oid));

In both cases I get the trap coming with the snmpTrapEnterprise = SNMPv2-SMI::enterprises.8072.3.2.10..

I understand that I can change it manually (in my code), but I am missing something here: if I use send_v2trap as above, how and why is the snmpTrapEnterprise added? And where is it defined that the above enterprise value is sent?
And using send_easy_trap, it says in the documentation "the enterprise and enterprise_length paramater is set to the pre defined SYSTEM_MIB oid and length respectively". What exactly does that mean?

I apologize for the length, was trying to be clear.

Huge thanks in advance,

-Tanya

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