Simon,

Forgot to add...

# snmpwalk -Os -c [redacted] -v 1 localhost NEM-DCI-MIB::nemDCISnmpTrapPort.0 MIB search path: /root/.snmp/mibs:/usr/share/snmp/mibs:/usr/share/snmp/mibs/iana:/usr/share/snmp/mibs/ietf:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
Cannot find module (NEM-DCI-MIB): At line 1 in (none)
NEM-DCI-MIB::nemDCISnmpTrapPort.0: Unknown Object Identifier

The specific device I tested the OID on, does not support (at time of test) the one you tested, for example.  And I could not seem to find the actual OID numeric in google search?

So, my test failed on v1, v2c, and v3.

-DD

On 03/17/2021 11:48, Dachshund Digital wrote:

Simon,

What does your 'address' line in snmpd.conf look like?

Based on the error message, are you sure you have all MIBs needed, loaded?  Try say the device description OID, or the System Up Time OID.  Just as validation, a suggestion.  The communication seems good, just the OID rejected?

-DD

On 03/17/2021 11:19, Simon Chamlian wrote:

Hi,

Seems like v1/v2 is blocked while v3 works fine.


*V3 works Fine*
# snmpget  -v 3 -u Simon -a MD5 -A simon123 -l authNoPriv  localhost  NEM-DCI-MIB::nemDCISnmpTrapPort.0
NEM-DCI-MIB::nemDCISnmpTrapPort.0 = INTEGER: 162

*V1/V2 does not work*
# snmpget -v 2c -c public localhost  NEM-DCI-MIB::nemDCISnmpTrapPort.0
NEM-DCI-MIB::nemDCISnmpTrapPort.0 = No Such Object available on this agent at this OID

# snmpget -v 1 -c public localhost  NEM-DCI-MIB::nemDCISnmpTrapPort.0
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: NEM-DCI-MIB::nemDCISnmpTrapPort.0


*The config file I have is:*

createUser Simon    MD5 "simon123"
rwuser     Simon
# rocommunity: a SNMPv1/SNMPv2c read-only access community name
rocommunity  public

# rwcommunity: a SNMPv1/SNMPv2c read-write access community name
rwcommunity  private


Any clues on why this is happening?

Thanks,
Simon




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