Hallo,
sorry, but I did not get the point. :-(
Example:
I have my own netsnmp subagent enterprise OID 1.3.6.1.4.1.4711 and I want to
send a trap with three variables with the oids: 1.3.6.1.4.1.4711.1,
1.3.6.1.4.1.4711.2 and 1.3.6.1.4.1.4711.3 .
I thought I can simply call three times the snmp_varlist_add_variable() -
function to add the variables and than send the trap using the send_v2trap(
notification_vars ) function.
Why do I have to add at first the snmpTrapOID.0 with my notification OID as
variable?
Thanks for your advise.
Torben
From: Dave Shield <[EMAIL PROTECTED]>
To: Torben Surmer <[EMAIL PROTECTED]>
CC: [email protected]
Subject: Re: question to notification example
Date: Mon, 25 Jul 2005 09:32:03 +0100
On Sat, 2005-07-23 at 16:22 +0200, Torben Surmer wrote:
> in the fine working notification sample
> /* In the notification, we have to assign our notification OID to
> * the snmpTrapOID.0 object. Here is it's definition. */
> oid objid_snmptrap[] = { 1, 3, 6, 1, 2, 1, 4, 3, 0 };
> Do anybody know, why I need this snmpTrapOID in the
> snmp_varlist_add_variable function?
Because that's how SNMPv2 (and SNMPv3) specifies which notification
is being sent. The first varbind is *always* sysUpTime.0 and the
second varbind is *always* snmpTrapOID.0.
The agent trap processing code can insert the sysUpTime.0 varbind
automatically, but it's up to your code to specify which notification
is to be sent.
Dave
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