Scott is right about netmon for HP Openview. The same problem doesn't apply
to
IBM Netview, where netmon uses a different strategy on polling.
Kostas Kottos,
ASYK
-----Original Message-----
From: Scott Wilson <swilson@RPM.COM>
Date: P]lptg, 3 Dejelbq_ou 1998 8:50 ll
Subject: Re: Netmon/Netview Pounding of Routers
>With OpenView it is a netmon option (I believe -r) to stop checking the
routing
>tables on routers. This is usually what puts the hit on the routers CPU.
I do
>not think that the same option is available on NetView however (I wish it
>were). What people have suggested here before is to block that section of
the
>MIB on the device (this is of course device dependent) so that your NetView
>system is not configured with a valid comm string for the route able
portion of
>the devices MIB, while still being able to see the rest of the MIB.
>
>Connie Logg wrote:
>
>> I have noticed for some time that one of our routers will have sustained
>> cpu
>> utilization of greater than 90% for many hours (sometimes a day or more
at
>> a
>> spell). I have suspected netmon/netview, and recently unmanaged the
>> routers. It seemed to resolve the problem.
>>
>> The November 23 issue of Network World discusses the problem (HP
Openview),
>> and indicates that there is a way around the problem without unmanaging
the
>> routers. There were no details although for netview.
>>
>> Can someone please tell me how to resolve this problem without leaving
the
>> routers unmanaged?
>>
>> *********************************************************************
>> " Of course the opinions expressed here are my own. "
>>
>> Connie Logg CAL@SLAC.Stanford.Edu ph: 650-926-2879
>> Network Management and Performance Analyst
>> SLAC (MS 97), P.O. Box 4349, Stanford, CA 94309
>>
>> "Happiness is found along the way, not at the end of the road."
>
>
>
>--
>-----------------------------------------------------------
>Scott Wilson Email: swilson@rpm.com
>Network Management Consultant Pager: 800-506-7348
>RPM Consulting, Inc.
>-----------------------------------------------------------
>
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