Re: Extending snmpd agent with a private enterprise MIB

[Philippe Troin <phil@fifi.org>]

<whbell@rockwellcollins.com> writes:

> Hello list,
> 
> 
> I have a task of incorporating a private enterprise MIB into our Debian
> Woody system.  My goal is to have an updated set of snmp*4.2.3-2.custom.deb
> files so I can move these changes out to our production hardware.  I have
> been reading extensively on the net-snmp site on how to make this extension
> to the code and on the Debian site on how to manage customizing a Debian
> source package.
> 
> I have the usd-snmp_4.2.3-2 source tree from the "apt-get source snmp"
> command.  I have my ENTERPRISE-MIB.txt compiled using mib2c giving me the
> .h and .c files and I have made needed edits to these two files.  I use dch
> to update the debian/changelog file and then I use dpkg-buildpackage to
> build my custom snmp packages.
> 
> All of this seems to work except that when I use "snmpget myserver public
> lruPassFail.0" it looks like my MIB is not installed.
> 
> Error in packet
> Reason: (noSuchName) There is no such variable name in this MIB
> 
> I have this MIB successfully included in a net-snmp 5.0.7 source tar
> package, but I want to use the stable Woody version and the Debian
> packaging system for managing my changes.
> 
> Any help or suggestions is greatly appreciated,

You don't need to change the debian package at all. Just compile your
enterprise MIB as a shared library, drop it into /usr/local/lib and
add this line to /etc/snmp/snmpd.local.conf:

 dlmod myMIB /usr/local/lib/myMIB.so

Phil.