Reconstructing network topology maps

[Ramon Szmuk <ramonsm () netvision net il>]

I am currently looking for a software that can generate (reconstruct) a
network topology
from raw data obtained from live network capturing or offline tcpdump
capture files.

A co-worker told me he once saw a commercial product belonging to SUN
Microsystems on a Teleco
that doe's just that but I couldn't find it through my frantic googling
today...

He said they hooked it up to a Switch of a lab network and slowly the app
reconstructed
a graphical display of the network as seen from the switch, amazing!

It was then possible to export the drawing to VISIO or see it with the
program's built-in viewer.

It mapped routers, servers, workstations, printers, computed bandwidth! and
just about every device on the net,
keeping all of the information about them (Hardware type, IP, MAC address
etc..) in an SQL-server database for future map
genereation and data recovery direct from the db.

the software parsed a variety of protocols in order to recunstruct the
network, SNMP, telnet (it parsed basic router
configurations!!), BGP, ICMP and so on...

If anybody has heard of this software (supposedly by SUN Microsystems and
built in Java) or anything remotley similar,
It would be great if you drop me a line since I am looking for such a toy
for quite some time..

Thanks,
-Ramon Szmuk


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