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Re: software wanted
From: Joe Provo <nanog-post () rsuc gweep net>
Date: Tue, 20 Dec 2011 12:55:58 -0500

On Tue, Dec 20, 2011 at 04:37:35PM +0200, Gregory Edigarov wrote:
[snip]
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:
http://www.nanog.org/meetings/nanog26/presentations/stephen.pdf

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

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


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