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Re: Network discovery and mapping
From: Sean Donelan <sean () donelan com>
Date: Mon, 23 Jun 2003 15:46:24 -0400 (EDT)


On Mon, 23 Jun 2003 rpcbind () speakeasy net wrote:

On the subject, has anyone had success w/ any L2 discovery tools?

psnmp seems promsing (http://psnmp.sourceforge.net/), but the lack of support
for Cisco, Extreme, and Foundry makes it a bit limiting. I've found that L3
topology is often well documented (and reasonably easy to decipher), but
finding troublesome layouts in switched configs is one place where a decent
tool could come in handy.

Fluke LAN Mapshot is a nice one-trick pony product for mapping L2
switches.  Point it at a network, give it the right snmp community
strings, and it generates a switch topology.



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