[mrtg] Brocade Silkworm 4100's

Gordy Peck gpeck at psu.edu
Wed Sep 7 18:46:22 MEST 2005

We recently installed 4 Brocade Silkworm 4100's to our core SAN. We have 
used MRTG for our older 2109's for a long time and have had no problems 
with MRTG. I have entered the new switches into MRTG, but it will not pick 
up the results. I converted the switch to SNMPv3, but found out that MRTG 
is not compatible. I have since reset both SNMPv1 and SNMPv3 on the 4100's 
to default, so there are no v3 settings laying around and setup SNMPv1 with 
a comm string. Again with no luck. I have notice in my kiwi log that I'm 
receiving 'authentication failure'.  This only happens when I turn 
authenticate on the switch, as it is with all of our other switches. I have 
noticed that our wintel server running mrtg is posting events to the event 
viewer log stating auth failure as well and it could not be auth'd with SNMPv2.

The following is the mrtg.cfg entry for one of the switches:
Target[c4p1]: at 
* 4
Title[c4p1]: IBM2109 C4, port 1 (ISL)
PageTop[c4p1]: <H1> IBM2109 C4, port 1 (ISL)</H1>
WithPeak[c4p1]: w

Any ideas?

Thank you,

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