RE:[nv-l] NetView snmpCollect and RRD

2002-09-26 01:51:53
Subject: RE:[nv-l] NetView snmpCollect and RRD
From: "Vidal, Chaz" <chaz.vidal AT eds DOT com>
To: "'nv-l AT lists.tivoli DOT com'" <nv-l AT lists.tivoli DOT com>
Date: Thu, 26 Sep 2002 15:51:53 +1000
Hi Kent,
I would like to share the posting on the list so everyone else can benefit. 
I don't exactly move data from snmpCollect databases into RRD. I tried that once but it was too time consuming.  What I did was customized a new trap whose automatic action was to call an rrdtool update with the trap's value.  Then I had snmpCollect do my collections and call the trap everytime it collected data from the MIB. (I did this by having the threshold lower than the rearm value).
So, everytime the data collector traps, it writes it to the corresponding rrd.  I then have my own front end cgi script create the graphs for our reports.  Just make sure you have your heartbeat 2 or 3 times your step if  you are going to collect many MIB instances.  (thanks Alfred R.) 
Hope this helps,
-----Original Message-----
From: Kent_Allison AT EnterpriseServices.com DOT au [mailto:Kent_Allison AT EnterpriseServices.com DOT au]
Sent: Thursday, 26 September 2002 1:05 PM
To: Vidal, Chaz
Subject: NetView snmpCollect and RRD

Hi Chaz,

I read your append to the NetView mailing list:

>I am using snmpCollect and trapd to populate RRD databases for reporting via
>a web interface.  I am collecting on about 55 routers and collecting
>bandwidth Rx and Tx per interface, CPU Utilisation and Frame relay stats at
>5 minutes.  Sometimes when country routers are slow to respond, I get gaps
>in my RRD database but these only show up when graphing the daily graphs at
>5 minute intervals.  Otherwise, weekly and monthly graphs look alright.

>Let me know if you need more details.

I was hoping you might be able to share your mechanisms for moving the data from the NetView snmpCollect db into a RRD db?  What  front end to the RRD db do you use?

I currently use Cricket to collect data and present web graphs etc.  I have shied away from using snmpCollect in the past, but now have a situation where using it to do the data collection coupled with the rollup features of RRD would be very useful.

Any information you can provide would be greatly appreciated.  Thanks!


Network Management Specialist
Telstra Enterprise Services Pty Limited
Phone: +61 2 988 25822  Fax: +61 2 988 25999
Mobile: +408 406 663
Notes: Kent Allison/AdvInt/[email protected]
Mailto:kent_allison AT enterpriseservices.com DOT au
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