Loading MIB Definitions - Help me get out of SNMP Hell!

Thu Mar 10 19:59:14 UTC 2011

I suggest grabbing the whole lot from
ftp://ftp.cisco.com/pub/mibs/v2/v2.tar.gz ... I generally extract that
to a directory and move files to my MIB directory individually.  This
has the benefit of preventing Net-SNMP from ripping through megabytes of
garbage related to x.25 and the like.  Your issue looks like it's
missing or not loading a dependency.

Try adding a -m ALL to your command line  to ensure that it's loading
all of the MIBs.

FWIW, I attached the list of the MIBs in my working directory, which
includes lots of Cisco, Netscreen, Microsoft, APC, Liebert/Emerson,
VMware, F5, etc.  It compiles without errors and resolves more than 90%
of the tree for most of my devices.

Good luck,
Tim

-----Original Message-----
From: Joe Renwick [mailto:joe at gonetforward.com] 
Sent: Thursday, March 10, 2011 1:38 PM
To: nanog at nanog.org
Subject: Loading MIB Definitions - Help me get out of SNMP Hell!

Hello All,

Apologize for my lameness in advance.  I have spent some serious time
researching this topic and have decided to reach out to the forums as
the two of the smartest people I know have hit the same wall in the
past.
 Bottom line is I do not understand how to add (?compile?) MIB(s) into
my SNMP management system.  I use Cacti running on Ubuntu server and it
works great.  My only frustrations have been in the area of finding the
MIB OID(s) to use for gathering specific data.  In many cases with CIsco
I manage to find the OID name i.e.
'CISCO-PROCESS-MIB::cpmCPUTotal5min.9' but Cacti needs the numeric
value.  So I try 'snmpget' and here is what I see:

*jozo at crdtools:/var/www/cacti/rra$ snmpget -v 2c -c ptasa2etb
192.168.55.5
CISCO-MEMORY-POOL-MIB::ciscoMemoryPoolFree*
*MIB search path:
/home/jozo/.snmp/mibs:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/sha
re/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
*
*Cannot find module (CISCO-MEMORY-POOL-MIB): At line 0 in (none)*
*CISCO-MEMORY-POOL-MIB::ciscoMemoryPoolFree: Unknown Object Identifier*

Did some research and using the following link I loaded the MIB(s)...
which basically consisted of a 'wget' of the MIB files into my
/home/jozo/.snmp directory.  At least I think they are the MIB
definition files with a '.my'
extension.

http://tools.cisco.com/Support/SNMP/do/BrowseMIB.do?local=en&step=2&mibN
ame=CISCO-PROCESS-MIB

But I still cannot get the numeric OID values:

*jozo at crdtools:~$ snmptranslate -On
CISCO-PROCESS-MIB::cpmCPUTotal5min.9*
*No log handling enabled - turning on stderr logging* *Unexpected index
type: 7 cpmCPUTotalIndex 9*
*.1.3.6.1.4.1.9.9.109.1.1.1.1.5.9*

Can anyone point me in the right direction.  Any links or advice on how
to operate SNMP on a Unix type system would be greatly appreciated.
Even a response like "RTMF Buddy" would be awesome if a manual was
recommended.

Thanks to all who read this email.  You deserve a beer.

Cheers,

--
Joe Renwick
IP Network Consultant, CCIE #16465
GO NETFORWARD!
Direct: 619-800-2055, Emergency Support: 800-719-0504 Is your network
moving you forward?
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