[mrtg] Non readable characters generated by cfgmaker on 3Com 3300 switch [newbie]

Erik Torres Serrano erik at bioinfo.cu
Wed Jul 21 00:02:23 MEST 2004

Hi everybody,

This is my first experience with MRTG and with SNMP. I have a 3Com 3300 
switch and I want to have statistics on the bandwidth. I have response 
from the switch using both snmpwalk and cfgmaker, but with cfgmaker the 
output file have a lot of non readable characters as well as in the 
command output. The output file is completely commented because all 
interfaces are detected but they have a speed 0 and a lot of non redable 
characters, so I can't no use MRTG :(

This is a simplified view of the cfgmaker output:

$ cfgmaker public at > /etc/mrtg.cfg
--base: Get Device Info on public at
--base: Vendor Id: 3com
--base: Populating confcache
--snpo: confcache public at Name Expansion Module Interface
# a lot of garbage
--snpo: confcache public at Descr SuperStack II Switch L3 Module, 
manuf: 3Com,Expansion Module Interface
# more garbage

Please could any of you give me some clues on what Im missing?

Thanks in advance,

Erik Torres
High Performance Computer Department
National Bioinformatics Center
La Habana, CUBA

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