nv-l

Re: [nv-l] CDP and Discovery

2002-08-06 11:39:48
Subject: Re: [nv-l] CDP and Discovery
From: "Francois Le Hir/Quebec/IBM" <flehir AT ca.ibm DOT com>
To: nv-l AT lists.tivoli DOT com
Date: Tue, 6 Aug 2002 11:39:48 -0400
I took a sniffer trace of the discovery of a device and it looks like each
time netview discover a device with a cisco oid, it will try to walk
through the CDP mib to get the information. It also go through the ARP mib
as beel as some unknow IBM mib that I could not find on any of my devices.

Regards,

Francois Le Hir
Network Projects & Consulting Services
IBM Global Services
Phone: (514) 205 6695
-----------------------
Date: 01 Aug 2002 15:39:26 -0500
To: "'nv-l AT lists.tivoli DOT com'" <nv-l AT lists.tivoli DOT com>
From: netview AT toddh DOT net (Todd H.)
Subject: Re: [nv-l] CDP and Discovery
Message-ID: <m0it2u5n5t.fsf AT rcn DOT com>

"Westphal, Raymond" <RWestphal AT erac DOT com> writes:
> Todd,
>
> I was told by Support long ago that NV used CDP as well as ARP cache
info.
> I sure hope that is true. Although, it would explain this problem if NV
> didn't.

That was my thought too.  Hopefully someone with more authoritative
knowledge of the discovery engine will weigh in on this.

> I don't know the answer to your MIB-II question.
>
> It's too late for the snmpwalk. I suppose you mean NV uses the ARP
> entries in the "at" or arp table.  I'll check the router the next
> time it occurs.

That's my thought.  I've always (for better or worse) viewed things as
"if it ain't in an snmpwalk, netview doesn't know about it"  but I'm
willing to be enlightened if this is a mistaken impression.

--
Todd H.
http://www.toddh.net/


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