[mrtg] MRTG not honouring mib file

[Babu C]

On Wed, 06 Oct 2010 23:26:30 +0530  wrote
>>>

>I ran the script with the path to the squid 3.1.8 MIB file as its only 
>argument.

>It returned a list of textual strings to OID numbers and the line 
>"Loaded 114 OIDs".



>Mike Mitchell

>>>


Hi Mike,

First of a big thank you for the reply and that great perl script, it 
did the work, as it was supposed to do, though I need to do some 
changes and learn little bit about perl( in fact ur script again made 
me to start learning perl). Below are the changes I needed to make it 
running under FreeBSD 8.1 ( hope that may be helpful to someone & saves 
the time)
Changed the following line from 
use lib qw(/usr/local/etc/mrtg/lib/mrtg2)
to
use lib qw(/usr/local/lib/perl5/site_perl/5.10.1);
( note the semicolon, I had to do some debug to find out what was wrong 
with that line, pls keep in mind that I am absolutely zero with perl)

Voila that makes that script to bring all mib values extracted from the 
mib file in a beautiful way.

I did check the permissions also. 
-r--r--r--  1 mrtg  wheel  30845 Oct  4 11:28 squid.mib

Anyway I am trying to get it run as root initially

But still my problem persist as even I run the script as root the 
errors are still there in mrtg log. 


>>>>
>Yes, the mib parser doesn't know what to do with IMPORTS.  You need to
>manually track down the dependencies and add them to your LoadMibs 
>line, inthe proper order.



>The netSNMP toolset does know to look in the mib directory for the 
>IMPORTS,
>and will follow the chain automatically.  That's why snmpwalk works 
>fine,
>and MRTG is confused.

>Note also that LoadMibs is a global configuration command, and that 
>only the last one in the config file is used.
>>>>

Thanx Daniel for the detailed reply,
The squid.mib import statement is as following(copied from squid.mib 
file)
IMPORTS
        enterprises, Unsigned32, TimeTicks, Gauge32, Counter32,
        MODULE-IDENTITY, OBJECT-TYPE, Integer32
                FROM SNMPv2-SMI

        DisplayString, TEXTUAL-CONVENTION
                FROM SNMPv2-TC

        InetAddressType, InetAddress
                FROM INET-ADDRESS-MIB;
If I correctly understood your statement then it needs 3 mib files to 
understand squid.mib, they are
SNMPv2-SMI,SNMPv2-TC,INET-ADDRESS-MIB mib files. Correct?

So as per the steps you mentioned I changed my LoadMIBs statement as 
following
(sorry for the wrapping)
LoadMIBs: /usr/local/etc/mrtg/SNMPv2-SMI.txt 
/usr/local/etc/mrtg/SNMPv2-TC.txt /usr/local/etc/mrtg/INET-ADDRESS-
MIB.txt /usr/local/etc/mrtg/squid.mib

Or did I make mistake here? Anyway still the mrtg log shows errors

Thanx a lot
Babs
(sorry for merging both of your mails together to single reply)

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