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Re: Netmon/Netview Pounding of Routers

To: nv-l@lists.tivoli.com
Subject: Re: Netmon/Netview Pounding of Routers
From: Thomas Novak <kavon@APK.NET>
Date: Thu, 3 Dec 1998 14:03:59 -0600
In-reply-to: <2.2.32.19981203182809.00b349e8@popserv.slac.stanford.edu>
Reply-to: Discussion of IBM NetView and POLYCENTER Manager on NetView <NV-L@UCSBVM.UCSB.EDU>
Sender: Discussion of IBM NetView and POLYCENTER Manager on NetView <NV-L@UCSBVM.UCSB.EDU>
Connie

You may want to setup a "view" see information below....

_Thomas



HP OpenView
>From Subodh Nijsure:

HP OpenView can tie up Internet BGP speaking routers with large routing
tables for quite a while transferring the IP routing table. This happens
every 24 hours and is at the very least an unnecessary annoyance: HPOV
won't have to explore past the Internet gateway; you're not going to
discover
and manage the Internet.

If you want OpenView to stop getting the ipRoute table, create a view
that excludes ipRoutingTable on the BGP speaking router:
snmp-server community foobar view viewForOV RO
snmp-server view viewForOV internet included
snmp-server view viewForOV ip.21 excluded
snmp-server view viewForOV ip.22 excluded
snmp-server view viewForOV ifMIB excluded

Configure HP OpenView so that it polls this router with community string
'foobar'.

> -----Original Message-----
> From: Discussion of IBM NetView and POLYCENTER Manager on NetView
> [mailto:NV-L@UCSBVM.UCSB.EDU]On Behalf Of Connie Logg
> Sent: Thursday, December 03, 1998 12:28 PM
> To: NV-L@UCSBVM.UCSB.EDU
> Subject: Netmon/Netview Pounding of Routers
>
>
> 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."
>

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