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RE: [nv-l] Switch Analyzer and Layer 3 switches

To: <nv-l@lists.us.ibm.com>
Subject: RE: [nv-l] Switch Analyzer and Layer 3 switches
From: "Barr, Scott" <Scott_Barr@csgsystems.com>
Date: Thu, 22 Apr 2004 15:02:18 -0500
Delivery-date: Thu, 22 Apr 2004 21:14:07 +0100
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Thread-topic: [nv-l] Switch Analyzer and Layer 3 switches
Um, I might be off base here, but EVERY TCP/IP device has a routing table.


From: owner-nv-l@lists.us.ibm.com [mailto:owner-nv-l@lists.us.ibm.com] On Behalf Of Michael Webb
Sent: Thursday, April 22, 2004 2:47 PM
To: nv-l@lists.us.ibm.com
Subject: Re: [nv-l] Switch Analyzer and Layer 3 switches

Have you tried configuring one of your 5024s to actually disable the routing capability?  I would be curious to see if that would get rid of the routing table information.

Michael Webb, IBM Tivoli
Q1CA Distributed NetView / ITSA SVT
Email: mlwebb@us.ibm.com
Ext: (919) 224-1410, T/L: 687-1410

Inactive hide details for "Christopher J Petrina" <cjp8@meadwestvaco.com>"Christopher J Petrina" <cjp8@meadwestvaco.com>




          "Christopher J Petrina" <cjp8@meadwestvaco.com>
          Sent by: owner-nv-l@lists.us.ibm.com

          04/22/2004 03:27 PM
          Please respond to nv-l



To: nv-l@lists.us.ibm.com
cc:
Subject: [nv-l] Switch Analyzer and Layer 3 switches



Greetings all,

The subject is ominous but here is my situation.

We haev some Alcatel 5024's. These devices by default have some built in routing capabilites. As such they contain a routing table where populated or not it is still there, however these devices are trully only being used as a layer2 switch; but Switch Analyzer is not recognizing them as such. The reason I found out from Magnum is that One of the means by which netview determines a device to be a router is if it contains a routing table. Well the moment it finds the table ont hese devices it calls it a router and switch analyzer will not attempt to do any layer2 discovery on it.
My question is, is there a way to override Netviews discovery and force these devices to show as layer2 devices only? In the oid_to_type this particular device is listed as a HB (Hub Bridge) with no mention of G(gateway).

Thanks
Chris Petrina

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