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Re: Weird map update problem

To: nv-l@lists.tivoli.com
Subject: Re: Weird map update problem
From: Patrick McNeil <patrick_mcneil@YAHOO.COM>
Date: Tue, 22 Feb 2000 13:29:29 -0600
To answer the questions:

1) When I demand poll the device, the status does not change (I demand
polled on the network layer, the one below that and the segment layer).  All
of the interfaces on the device are green when you drill into the router
(there are 9 of them if that matters).

2)  When I unmanage the router, it turns wheat.  When I remanage the router
it turns back to green.

3)  It is actually all of the interfaces on the router are green.  Each of
the submaps that contain the router are yellow, with the router being red in
the submaps.  The trapd.log file does contain the interface down message and
the interface up message for the interface that went down.

Unfortunately, I cannot recreate the problem on demand (which I know makes
it difficult to troubleshoot).  It happens about once or twice a week where
it says red on the submaps, but not on the network map.  This network goes
down typically one to two times a day (carrier problems not our problem) and
most of the time it is fine.  Just recently (since about the end of
December) has is started doing this.  The only thing we did around that
timeframe was stop the system for the Y2K backup and restart (no patches
applied or services added).

Patrick

-----Original Message-----
From: Discussion of IBM NetView and POLYCENTER Manager on NetView
[mailto:NV-L@UCSBVM.ucsb.edu]On Behalf Of James Shanks
Sent: Tuesday, February 22, 2000 11:53 AM
To: NV-L@UCSBVM.ucsb.edu
Subject: Re: Weird map update problem




You got me.  But there are three questions I would ask to try to determine
what
is going on.
(1) If you go to a submap where the router is red, and demand poll it, does
the
color change?
(2) If you unmanage it, it will turn wheat colored.  When you then manage it
again, does it turn green again or go back to red?
(3) On a  submap where the router is red, determine what inteface that is.
Can
you find a matching Interface Up trap in trapd.log?

James Shanks
Tivoli (NetView for UNIX) L3 Support



Patrick McNeil <patrick_mcneil@YAHOO.COM> on 02/22/2000 09:43:45 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:  Weird map update problem




We have been having some problems with maps updating on our NetView system.
Our system has the following specifications:
4 processor F50
3 GB Ram
1 GB Paging Space
Lots of free disk space
Netview for AIX 5.1.1

We have a central hub site internationally that has six locations that
connect to the hub for corporate connectivity.  When the hub site goes down,
all the sites behind it goes down.  We get the appropriate messages from
Netview that everything is down.  When the site comes back on-line, we get
all the messages from the system that everything is back up.  The maps,
however, show an inconsistency.  The router is green on the network layer
(the one that shows the router connected to the various segments), but is
red when you drill down to the individual networks.  When I do an ovtopodump
<router name>, NetView reports the status for all the objects associated
with the router have a status of Up.

This is kind of a problem since the network support group use the colors to
determine if there is a problem when they are at their desk.  Also, my
management is a little frustrated since it appears that there is a problem,
but everything is up and functioning correctly.

Has anyone seen this before?
Anyone have any suggestions for a way around this?

Thanks,

Patrick


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