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RE: RE: Bandwidth Notification

To: nv-l@lists.tivoli.com
Subject: RE: RE: Bandwidth Notification
From: "Davis, Donald" <donald.davis@firstcitizens.com>
Date: Mon, 3 Dec 2001 10:42:23 -0500
Have another look at the script!
is mib2 NOT private enterprises

private enterprise....

Yes, the formula you mention is called a Mib Expression in NetView.
You can roll your own if you like in /usr/OV/conf/mibExpr.conf (no GUI).

The reason that I do not use NetView's "Data Collection and Thresholds"
is because you cannot specify a different interface instance for each
You are restricted to all, list or expression.  
My WAN-FR links are on various instances and I dont care about the others.
Therefore manually specifying and querying the WAN-FR interface on each
router is the way I do it.

Don Davis

-----Original Message-----
From: DSullinger@dot.state.az.us [mailto:DSullinger@dot.state.az.us]
Sent: Monday, December 03, 2001 9:33 AM
To: nv-l@tkg.com
Subject: RE: [NV-L] RE: Bandwidth Notification

I was informed by someone locally to use the Data Collection & Thresholds:
SNMP for this, but they are using a "'IfIn%util' or 'IfOut%util'" MIB, of
which I don't have.  I could create the same results with the formula of
"((((ifInOctets + ifOutOctets) x 8) / (sysUpTime / 100)) / ifSpeed) x 100",
but I'm not sure on how to create this.  In Nortels Optivity you can create
a formula from MIBs within the GUI, but I don't see how to do this within

Any ideas? Or better suggestions?


-----Original Message-----
From: Davis, Donald [mailto:donald.davis@firstcitizens.com] 
Sent: Thursday, November 29, 2001 7:05 AM
To: 'IBM NetView Discussion'
Subject: RE: [NV-L] RE: Bandwidth Notification

I am doing exactly that.
I have aprox 350 branch sites with FR wan circuits that I collect
BW-Utilization and generate a custom snmptrap if it bursts above 125% of CIR
for 2 consecutive 5 minute polling intervals.

I do not use NetView's snmp data collection because I do not want data on
all interfaces and the Interface instance numbers are all over the place.

I wrote a script that queries just the WAN link, based on the router and the
specific Interface instance number. Then number crunch the delta of the byte
counts and compare them to the last result which I keep in a flat file for
each router. I uses this file with gnuplot to graph BW-Utilization stats for
7 days.

I manually maintain a file containing the router name and link instance

e-mail me direct if you want a copy of the script.

Don Davis

-----Original Message-----
From: Dean Sullinger [mailto:DSullinger@dot.state.az.us]
Sent: Thursday, November 29, 2001 8:24 AM
To: 'IBM NetView Discussion'
Subject: [NV-L] RE: Bandwidth Notification

Ok everyone, I have what I think is a tough one.

We have both 56k and T1 sites at over 300 remote locations, connected via
point to point or frame relay with Nortel routers at the edge.  Management
would like to have us setup an alert in Netview that would page us when the
bandwidth on the WAN side at these sites exceeds 80% over a given amount of
time... Let's say 10 minutes.

We are running Netview 6.x on Solaris 8.

Any ideas on how this might be accomplished?


Dean Sullinger
Arizona Department of Transportation
Information Technology Group
Wide Area Network
Email : dean@dot.state.az.us
Internet: http://www.dot.state.az.us
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