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

Did anyone used net-snmp under systemd ?



On Thu, Aug 23, 2018 at 3:24 PM, Simon Chamlian <[email protected]>
wrote:

> 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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