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Re: Network Monitoring

To: nv-l@lists.tivoli.com
Subject: Re: Network Monitoring
From: Oren Halevi <or123alx@INET-ZAHAV.NET>
Date: Thu, 16 Sep 1999 14:47:51 +0200
Thank you Leslie,
I did what you wrote ( the mibExpr.conf and the snmpCollect ).
Where can i find an  expretions ? for instance : a WAN utilization expr ( i
guess it isn't the same as a LAN) and a switch half duplex port expr.
Neither one of those vendors gives a utilization value in their mibs.

Leslie Clark wrote:

> There are vendor-specific applications that you can buy, of course, but if
> the agent on the device knows the answer, you can ask the questions with
> the Data Collection and Thresholding function (snmpCollect). You need to
> walk the MIBs of the device and see what it can tell you. Also see the
> file /usr/OV/conf/mibExpr.conf. In this file you can define expressions (see
> the Admin Guide for more information) that combine mib variables. For
> instance, for full-duplex interfaces, interface utilization is
> (ifInOctets + ifOutOctets) * 8 * 100 / ifSpeed
> Netview will do the subtraction for you to account for the time interval.
> Read up on the mib.coerce file as well.
>
> I leave it to someone else to guide you to the mib variables for the
> traffic on the switch ports. But I would start by loading all of the MIBs
> available for the devices in question and checking them out with the
> MIB Browser.  Those canned graphical applications are only the
> beginning.
>
> Cordially,
>
> Leslie A. Clark
> IBM Global Services - Systems Mgmt & Networking
>
> Hello all,
> I've been asked if netview ( v 5 on aix 4.2 ) has a monitoring features
> such as utilization etc. I know there some grafical feature but i
> couldn't find what i want.
> we have several Cisco Catalyst (5500 and 1900) switches and 3 Bay
> routers ( 1 asn and 2 an ).
> How can i measure the utilization per a switch port and a wan router
> interface ?
>
> Greetings, Oren.


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