software wanted

Joe Provo nanog-post at
Tue Dec 20 17:55:58 UTC 2011

On Tue, Dec 20, 2011 at 04:37:35PM +0200, Gregory Edigarov wrote:
> > can anybody recomend a piece of software, that could "graph" a live
> > network scanning it via snmp.
> > requirements are:
> > 1. must produce a text output suitable for postproduction. graphviz is
> > an ideal, xml - acceptable.
> > 2. must use no external database i.e. have text config file. clean
> > text console, suitable to run as a cronjob.
> > 3. must be able to work in heterogenous environment. 
> > 
> and, the question is about producing network schematic, not about
> graphs like mrtg, cacti etc, etc....

Rather than SNMP probing, for larger layer3 networks try setting up 
a proper config archive (rancid), then build on mktop and top2dot:

If you want to use SNMP and have good detail for layer2 networks and
edge stations, take a look at
Good old intermapper has been commercial for a while, does probing 
using several methods and makes pretty maps

         RSUC / GweepNet / Spunk / FnB / Usenix / SAGE / NewNOG

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