Re: Discovering network topology

[Kurt Buff <kurt.buff () gmail com>]

Jeremy wrote:
> Hi list,
>
>   I was wondering if there were special ways to discover networks 
> topologies / mapping networks.  Are there particular tools or methods I 
> should be aware of ?  The few tools I tried only gave me approximative 
> results.  However I think nmap + the standard unix tools can do a good 
> part of the job.
>
>   Moreover, what are the differences between discovering an 
> organisation's network from the inside, and from the outside ?
> I mean, what are the best practices to discover network equipments, 
> subnets, VPNs, etc?  I know that traceroute can be a good starting 
> point, but are there some other tools and techniques I should know ?
>
> Regards,

Try Netdisco - google it. There's even a VMWare appliance of it.