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Re: Why does netmon ping nodes with no maps open???

To: nv-l@lists.tivoli.com
Subject: Re: Why does netmon ping nodes with no maps open???
From: Jeff Fitzwater <jfitz@PRINCETON.EDU>
Date: Thu, 10 Jun 1999 11:18:52 -0400
Organization: Princeton University
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>
Thank you for the help.

James Shanks wrote:
>
> Jeff -
>
> What documentation are you reading?  netmon is a daemon precisely so he can
> continue to poll devices when no maps are open.  He continually updates the
> topology database, and when the GUI comes up, ipmap reads topology and
> updates the map with everything different  from the last time it was up.
> The process called synchronization that you see on the bottom on the map
> when you open it initially is ipmap updating the map with the changes
> netmon put into topology.
>
> I thought this process was more or less explained in the User's Guide for
> Beginners and the NetView Admin Guide.
>
> netmon determines whom to poll and when to poll by the SNMP Configuration
> entries you make, and by the contents of the object and topology databases,
> which he maintains.
>
> James Shanks
> Tivoli (NetView for UNIX) L3 Support
>
> Jeff Fitzwater <jfitz@PRINCETON.EDU> on 06/10/99 09:48:21 AM
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView <NV-L@UCSBVM.UCSB.EDU>
>
> To:   NV-L@UCSBVM.UCSB.EDU
> cc:    (bcc: James Shanks/Tivoli Systems)
> Subject:  Why does netmon ping nodes with no maps open???
>
>         I am runing Netview 5.1.1 on Solaris 2.6.
>
> Netmon continues to poll everything in obj-database with no maps open.
>
> I have closed the GUI for Netview and am the only user.  I would not
> expect netmon to poll for devices unless there was a map open to tell it
> which devices it needs to poll.
>
> I have verified this with "SNOOP" on solaris, which is a packet capture
> tool.  If I stop netmon all ICMP requests cease.
>
> It appears to be pinging everything in the object database.
>
> This doesn't sound right.  Why pole devices  not contained in any open
> map.   Yes they were discovered but the maps I open may contain only a
> subset of database.
>
> Jeff Fitzwater
> Princeton University

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