On 05/03/2017 12:15 PM, Murali Karicheri wrote:
> Hello Coders,
> 
> I am exploring how to add a agent mib module to net-snmp. I have the MIB 
> definition
> text file which in this case is IEC-62439-3-MIB.txt that have copied to mibs 
> folder
> of net-snmp source tree (fetched from git://git.code.sf.net/p/net-snmp/code).
> My Google search landed me to 
> 
> http://www.net-snmp.org/tutorial/tutorial-5/toolkit/mib_module/index.html
> 
> So I will first try to add a scalar as described there. But I also see two
> options to add a Table. One is using mib2c and other is using the table of
> data stored within the agent example. Which one is preferred? Also the mib2c
> example requires some plumbing to build it as part of the agent code. Is
> there any other document for this that I can refer? Your help is highly
> appreciated as I am afraid that I may be heading in the wrong direction.
> 
> Thanks
> 
I have include example module in my configure script as 

./configure --prefix=/exports/sdk-ga-3.3.0.4-A --host=arm-linux-gnueabihf 
--target=arm-linux-gnueabihf --build=i686 --disable-manuals --disable-ipv6 
--with-cc=arm-linux-gnueabihf-gcc --with-ar=arm-linux-gnueabihf-ar  
--without-rpm --disable-applications --disable-embedded-perl  
--disable-deprecated --disable-shared --enable-static --with-pcre 
--with-sysroot=/home/a0868495/ti-processor-sdk-linux-rt-am57xx-evm-03.03.00.04/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi
 --with-mib-modules="examples"

Also see scalar_int.o built under agent/mibgroup/examples. But when I do 
snmpget, I get an error

root@am57xx-evm:~# snmpget -v 2c -c public localhost sysName.0
SNMPv2-MIB::sysName.0 = STRING: am57xx-evm
root@am57xx-evm:~# snmpget -v 2c -c public localhost netSnmpExampleInteger.0
NET-SNMP-EXAMPLES-MIB::netSnmpExampleInteger.0 = No Such Object available on 
this agent at this OID

Any idea why this is not seen by the agent?
-- 
Murali Karicheri
Linux Kernel, Keystone

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