Net-snmp 5.7.3 Yocto - [No Such Object available on this agent at this OID]

Hi,

I have been working several days on this issue without any success.

On our old Linux embedded system (using LTIB - Linux target Integrated
Builder), the agent was working fine. Now I am trying to port it on a new
system using Yocto to build the image.

Basically I have my own MIB and associated code which I am compiling with
the agent.

Here is the summary of the configuration:

$ cat configure-summary
  SNMP Versions Supported:    1 2c 3
  Building for:               linux
  Net-SNMP Version:           5.7.3
  Network transport support:  Callback Unix Alias UDP TCP UDPIPv4Base
UDPBase IPv4Base SocketBase TCPBase
  SNMPv3 Security Modules:     usm
  *Agent MIB code:            default_modules my_file1  my_file2
my_Timer_Util* =>  snmpv3mibs mibII/snmp_mib mibII/system_mib
mibII/sysORTable mibII/vacm_vars mibII/vacm_conf
  MYSQL Trap Logging:         unavailable
  Embedded Perl support:      disabled
  SNMP Perl modules:          disabled
  SNMP Python modules:        disabled
  Crypto support from:        internal
  Authentication support:     MD5 SHA1
  Encryption support:         DES AES
  Local DNSSEC validation:    disabled
$


my_file1  my_file2  my_Timer_Util  are my C code to handle my MIB.

*This method was used on old system with no problems.*


On the new system (172.27.43.2) I have:

root@NEM:/etc/snmp#  snmptranslate   -IR -On mpbc1RUDateTime
.1.3.6.1.4.1.4464.2.3.4.2.3
root@NEM:/etc/snmp#

So the MIB is recognized!

But a snmpget is failing

root@NEM:/etc/snmp# snmpget  -v 3 -u Simon -a MD5 -A Simon-00 -l authNoPriv
-t 5 172.27.43.2  MPBC-1RU-MIB::mpbc1RUDateTime.0
MPBC-1RU-MIB::mpbc1RUDateTime.0 = No Such Object available on this agent at
this OID
root@NEM:/etc/snmp#

root@NEM:/etc/snmp# snmpget -v 2c -c public 172.27.43.2
MPBC-1RU-MIB::mpbc1RUDateTime.0
MPBC-1RU-MIB::mpbc1RUDateTime.0 = No Such Object available on this agent at
this OID
root@NEM:/etc/snmp#




Needless to say, in snmpd.conf I have:
createUser Simon      MD5 "Simon-00"
rwuser     Simon

# SNMPv1/SNMPv2c
rocommunity  public
rwcommunity  private


What am I missing?

Any hint will be greatly appreciated.

S.

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