Ray,
You are right about snmpCollect. It should give you the delta value
of the variable, you are collecting. You are having exactly opposite problem
that I had, when I tried to calculate Bandwidth utilization (In) using APM.
When MLM collects mib value, it only gives you the value of variable at that
point in time and not the delta value. Here is what I did to resolve the
problem.
BandWidthUtil=((@delta(.1.3.6.1.2.1.2.2.1.10.*))*8*100/900)/(.1.3.6.1.2.1.2.
2.1.5.*)
If snmpCollect does not give you the delta value then you might want to try
APM. I don't know how snmpCollect will behave, if you try using delta
function with it.
Shailesh Patel
Enterprise Management Capabilities
Electronic Data Systems
Troy MI 48098
-----Original Message-----
From: lclark@us.ibm.com [mailto:lclark@us.ibm.com]
Sent: Tuesday, May 23, 2000 8:01 PM
To: NV-L@tkg.com
Subject: Re: [NV-L] Integer Thresholds
Have you looked at having MLM do it? I cannot tell you how, exactly, but
there were some pretty thrilling discussions of this sort of thing around
December. Shailesh Patel was wrestling with mib expressions and thresholds
with MLM. I believe it has fewer built-in restrictions that snmpCollect.
I'd
try the APM first.
Cordially,
Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
Detroit
---------------------- Forwarded by Leslie Clark/Southfield/IBM on
05/23/2000 07:57 PM ---------------------------
Ray Schafer <schafer@tkg.com>@tkg.com on 05/23/2000 03:26:41 PM
Please respond to IBM NetView Discussion <nv-l@tkg.com>
Sent by: owner-nv-l@tkg.com
To: IBM NetView Discussion <nv-l@tkg.com>
cc:
Subject: Re: [NV-L] Integer Thresholds
REIBENSCHUH Alfred wrote:
> Hi !
>
> you could change the cisco-mib entry of bufferFail
> from INTEGER to COUNTER, recompile the mib and than
> create the mib-expression
>
That would work. But I was hoping that I could find someway in NetView to
do this. I don't really want to change the Vendor MIB if I can help it...
> BUT
>
> if you multiply by 3600 every delta larger than 1/3.6 per second
> will set off the threshold of 1000/hour on the premise that the
> router will generate those bufferFails in the hour which lies ahead,
> which is probable not the reason you want to do this in the first
> place
>
Yeah, but if I am only collecting once per hour, I think that it looks at
the time delta, the value delta, and calculates the units/hour based on
that. Isn't that the way snmpCollect works?
--
Ray Schafer | schafer@tkg.com
The Kernel Group | Distributed Systems Management
http://www.tkg.com
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