Re: V3 Informs

On 08/04/2008, Joan Landry <Joan.Landry@overturenetworks.com> wrote:
> I have searched for documentation on net-snmp to find out how to configure
> net-snmp so that I can send v3 informs

> Specifically I want to be able to configure via the etc/snmp/snmpd.conf the
> following:
> 1. create an snmpNotifyTable entry that has traptype = inform
> 2. create a snmpTargetAddress row in the snmpTargetAddressTable with a
> tag-list
> 3. create a snmpTargetAddressParams row where I can specify the
> authentication/privacy for the inform to be sent

Put the following entry (untested) in the snmpd.conf:

trapsess -Ci -v 3 -u {user} -l {level} -a {MD5|SHA} -A {authpass} {host}

Plus -x/-X flags if you need encryption.


> 4. create a snmpNotifyFilterProfileTable row
> 5. create a snmpNotifyFilter row

Ummm... I'm not sure there's snmpd.conf support for the filter tables.



> Does net-snmp support sending informs from the subagent

Yes - just call 'send_v2trap()' or 'send_easy_trap()' or 'send_trap_vars()'

The subagent will pass the notification to the master agent.
It's the master agent that decides how to format the trap
(trap vs inform, SNMP version, user/community/etc),
and where to send it.


Dave

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