I'm aware about the Cisco MATE software, but I'd prefer an open-source, vendor-agnostic one, something that in-house imporvements can also be achieved. On 11/2/2014 12:01 PM, mohamed Osama Saad Abo sree wrote: > You can use Caridan tool, Cisco own it currently and it does all the > computation needed and can draw your network topology Mohamed Kamal Core Network Engineer