Re: How to get/generate the engine ID for SNMP v3?

Hi Sumit,

. Refer RFC https://www.ietf.org/rfc/rfc2571.txt for engineID format.
-------------------------------------------------
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snmpEngineID has a length of 12 octets.

1st bit: either '0' or '1' . '1' if you follow below mentioned formats

1-4 octets: binary equivalent of the agent's SNMP management private
enterprise number

5th octet : Type of next(6-12th) octet ipaddress, mac address, random number.

            Eg: If 5th octet=3 then 6-12th octet is mac-id of the host.

--------------------------------------------------------------------------------------------------

Since SNMP engineID is unique to the host/machine on which snmpapp
running ,  its better to get value for
option'-e' from external code.

Thank you.

Pushpa.T


On Fri, Jul 22, 2016 at 4:24 PM, Sumit Mhatre <[email protected]>
wrote:

> Hi all,
>        I am using Net-SNMP for generating SNMP traps in my product. So, I
> am just shipping snmptrap.exe which I invoke with appropriate parameters.
> Well, I did not face any issue with SNMP v2c.
>  But with SNMP v3, I am not getting:
>
> 1.  What value should I put for -e option i.e. EngineID ?
> 2. Or can I set/define it to random number?
>
> Note: I am not running(nor shipping) snmpd as I just want to add trap
> capability.
>
> Please suggest.
>
>
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