Re: Are we allowed to change enterprise oid contents (i.e 1-4 octets) in engineID ?

Creating snmpv3 user in snmptrapd is nothing but  adding below line to
/etc/snmp/snmptrapd.conf . Am I correct?
I did added following lines to snmptrapd.conf file and restarted it
----------------------------------------------------------------------------------------------------------------------
createUser -e 0x8000xxxx0300b0ad000001 traptest1 SHA mypassword AES
authUser log traptest1
----------------------------------------------------------------------------------------------------------------------

Result: I can see traps but there is error and following is 'snmptrapd'
log

usm: usm: USM processing begun...
USM processing begun...
usm: usm: match on user traptest1
match on user traptest1
*usm: no match on engineID* (80 00 xx xx 03 00 B0 AD 00 00 01 usm: no match
on engineID (80 00 xx xx 03 00 B0 AD 00 00 01 )
)
usm: usm: match on user traptest1
match on user traptest1
usm: usm: Verification succeeded.
Verification succeeded.
usm: usm: USM processing completed.
USM processing completed.
2014-12-23 13:08:42 192.168.103.162 [UDP:
[192.168.103.162]:51192->[192.168.103.131]]:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (69) 0:00:00.69
SNMPv2-MIB::snmpTrapOID.0 = OID:
NET-SNMP-EXAMPLES-MIB::netSnmpExampleNotification
NET-SNMP-EXAMPLES-MIB::netSnmpExampleInteger = INTEGER: 11
2014-12-23 13:08:42 192.168.103.162 [UDP:
[192.168.103.162]:51192->[192.168.103.131]]:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (69) 0:00:00.69
SNMPv2-MIB::snmpTrapOID.0 = OID:
NET-SNMP-EXAMPLES-MIB::netSnmpExampleNotification
NET-SNMP-EXAMPLES-MIB::netSnmpExampleInteger = INTEGER: 11


Kindly let me know if I am not configuring snmpv3 user in snmptrapd
properly.



On Tue, Dec 23, 2014 at 12:06 PM, Wes Hardaker <
[email protected]> wrote:

> Pushpa Thimmaiah <[email protected]> writes:
>
> > I am implementing traps and  have changed 1-4th octet of engineID
> > (0x8000xxxx0300b0ad000001) with my company's enterprise oid and added
> > the same engineID (0x8000xxxx0300b0ad000001) in snmptrapd.conf. But
> > trapreceiver 'snmptrapd' shows usm: no match on engineID .
>
> It's likely that the snmpv3 users you created in the snmptrapd were not
> created with the right engineId.
>
> So, yes you're allowed to change them, and in fact there are configure
> script options to help you, but you need to make sure the users are
> created with the right engineId too.
> --
> Wes Hardaker
> Parsons
>

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