How to graph RRD data from DEVMON

list H. Klomp
Tue, 11 Sep 2007 11:37:46 +0200
Message-Id: <user-bab50425cc3d@xymon.invalid>

I would like to create graphs from the devmon output of cisco switches. For this, I found a document "How to if_* grpah
from Devmon to Hobbit". However I can't find the extra-rrd.pl program 
Is there anyone outthere who is able to tell me how to use the data from devmon to create a rrd graph ? 
Regards, 
Bert Klomp
NLR