Using cli like “sh ip bgp xxx.xxx.xxx.xxx”[Cisco] or “sh route protocol bgp xxx.xxx.xxx.xxx detail” [Juniper] would be able to show me details for specific destinations. What i need is a software to get all the data from a routers routing table, analyze the best path and summarize the reason why its being chosen based on the BGP algorithm (local pref, no. of hops, MED, etc). That would show the big picture of why a certain upstream is more prefered than the other. Thanks.
Regards,
Kana
I don’t know of any tool, but it seems like you should be able to get a show route detail about, write a script to choose inactive reasons and sort based off that.
Doug
I believe that PacketDesign's Route Explorer may be helpful in answering questions of this type:
I use the FCP from internap…Optomizes the BGP routes and produces nice graphs/reports that I never look at… 
http://www.internap.com/solutions/routecontrol/page1980.html
Hi Doug,
How about cisco? In juniper, ‘show route detail’ really helps. Thanks.
Regards,
Kana