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North American Network Operators Group

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Re: Network discovery and mapping

  • From: Sean Donelan
  • Date: Mon Jun 23 15:49:03 2003

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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