[mrtg] problems with cfgmaker and ifdesc=alias

Steve Shipway s.shipway at auckland.ac.nz
Thu Mar 17 21:16:43 CET 2011

You can specity multiple methods in the latest cfgmaker, so that alternatives will be used if they exist and the preferred method is blank.  You also do not tell use *what* is being used where you expect the Alias to be used.

Try this:
/usr/local/mrtg-2/bin/cfgmaker --no-down --ifref=ip,name,nr --ifdesc=catname,ppname,alias,descr,ip,name,nr --global "WorkDir: /opt/apache/htdocs/mrtg/switch" --output switch.cfg guessit at 192.168.xxx.yyy<mailto:guessit at 192.168.xxx.yyy>


Steve Shipway
University of Auckland ITS
UNIX Systems Design Lead
s.shipway at auckland.ac.nz<mailto:s.shipway at auckland.ac.nz>
Ph: +64 9 373 7599 ext 86487

From: mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch [mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch] on behalf of Markus Lauterbach [markus.lauterbach at meinestadt.de]
Sent: Friday, 18 March 2011 2:24 a.m.
To: mrtg at lists.oetiker.ch
Subject: [mrtg] problems with cfgmaker and ifdesc=alias

Hi out there,

I'm a recipient of this maillinglist for a few month now. With the announcement of the mrtg-release 2.17.1, I thought, my problem based on cfgmaker and my routers interface alias would be solved. Now, I using mrtg-version 2.17.1 and my problem still exists.

bash-3.00$ /usr/local/mrtg-2/bin/cfgmaker --version
cfgmaker for mrtg-2.17.2

I'm using a Cisco SG 300-52 52-port switch, which allows me, to label the interfaces. As you can see, I already did that

snmpwalk -c guessit 192.168.xxx.yyy .
IF-MIB::ifAlias.49 = STRING:
IF-MIB::ifAlias.50 = STRING: server01.yourdomain.com
IF-MIB::ifAlias.51 = STRING: server02.yourdomain.com
IF-MIB::ifAlias.52 = STRING: server03.yourdomain.com
IF-MIB::ifAlias.53 = STRING: server04.yourdomain.com
IF-MIB::ifAlias.54 = STRING: server05.yourdomain.com
IF-MIB::ifAlias.55 = STRING: server06.yourdomain.com
IF-MIB::ifAlias.56 = STRING: server07.yourdomain.com
IF-MIB::ifAlias.57 = STRING:
IF-MIB::ifAlias.58 = STRING:
IF-MIB::ifAlias.59 = STRING:
IF-MIB::ifAlias.60 = STRING:
IF-MIB::ifAlias.61 = STRING:
IF-MIB::ifAlias.62 = STRING:
IF-MIB::ifAlias.63 = STRING:
IF-MIB::ifAlias.64 = STRING:
IF-MIB::ifAlias.65 = STRING:
IF-MIB::ifAlias.66 = STRING:
IF-MIB::ifAlias.67 = STRING:
IF-MIB::ifAlias.68 = STRING:
IF-MIB::ifAlias.69 = STRING:
IF-MIB::ifAlias.70 = STRING:
IF-MIB::ifAlias.71 = STRING:
IF-MIB::ifAlias.72 = STRING:
IF-MIB::ifAlias.73 = STRING:
IF-MIB::ifAlias.74 = STRING: server08.yourdomain.com
IF-MIB::ifAlias.75 = STRING: server09.yourdomain.com
IF-MIB::ifAlias.76 = STRING: server10.yourdomain.com
IF-MIB::ifAlias.77 = STRING: server11.yourdomain.com
IF-MIB::ifAlias.78 = STRING: server12.yourdomain.com
IF-MIB::ifAlias.79 = STRING: server13.yourdomain.com
IF-MIB::ifAlias.80 = STRING:
IF-MIB::ifAlias.81 = STRING:
IF-MIB::ifAlias.82 = STRING:
IF-MIB::ifAlias.83 = STRING:
IF-MIB::ifAlias.84 = STRING:
IF-MIB::ifAlias.85 = STRING:
IF-MIB::ifAlias.86 = STRING:
IF-MIB::ifAlias.87 = STRING:
IF-MIB::ifAlias.88 = STRING:
IF-MIB::ifAlias.89 = STRING:
IF-MIB::ifAlias.90 = STRING:
IF-MIB::ifAlias.91 = STRING:
IF-MIB::ifAlias.92 = STRING:
IF-MIB::ifAlias.93 = STRING:
IF-MIB::ifAlias.94 = STRING:
IF-MIB::ifAlias.95 = STRING:
IF-MIB::ifAlias.96 = STRING:
IF-MIB::ifAlias.97 = STRING:
IF-MIB::ifAlias.98 = STRING:
IF-MIB::ifAlias.99 = STRING: uplink
IF-MIB::ifAlias.100 = STRING:
IF-MIB::ifAlias.1000 = STRING:
IF-MIB::ifAlias.1001 = STRING:
IF-MIB::ifAlias.1002 = STRING:
IF-MIB::ifAlias.1003 = STRING:
IF-MIB::ifAlias.1004 = STRING:
IF-MIB::ifAlias.1005 = STRING:
IF-MIB::ifAlias.1006 = STRING:
IF-MIB::ifAlias.1007 = STRING:
IF-MIB::ifAlias.3000 = STRING:
IF-MIB::ifAlias.100000 = STRING:
IF-MIB::ifAlias.300000 = STRING:

I'm using the cfgmaker with the following command ( /usr/local/mrtg-2/bin/cfgmaker --no-down --ifdesc=alias --global "WorkDir: /opt/apache/htdocs/mrtg/switch" --output switch.cfg guessit at 192.168.xxx.yyy<mailto:guessit at 192.168.xxx.yyy>; ), but unfortunately the interface alias isn't used in the cfg-file :(

Is this option tricky to use or I'm not able to see the wood for the trees.

Much thanks in advance

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