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Old 06-03-2010, 09:15 AM
recoyle recoyle is offline
 
Join Date: Jun 2010
Posts: 50
Default Efficient discovery across MPLS

On networks that have sites separated by MPLS clouds, the discovery option to "scan destination subnets" "after seed discovery" is very helpful to discover new sites automatically.

The biggest issue I have with this process is that (in a network with hundreds o f sites and thousands of routes and millions of ip addresses):Netbrain does take a very long time to scan all the address. The option to scan only /32 subnets(or greater that some selectable network mask) would get the scan list down to a reasonable number, and would catch all the new routers/links at new MPLS sites.

A better option would be to add another option to the discovery. Rather than scan /32 routes, to add the /32 routes discovered in the initial seed router/s to the “router seed list”. This would allow the discovery to start at one seed router and find all the other seed routers (loopback /32 addresses in the routing table), and then discover every site based on adding all these /32 routes as seed routers. This would allow the discovery to jump across the mpls network and discover all sites and all equipment in the most efficient approach. (I.E. without scanning millions of addresses that are not inuse and/or are not network devices)

Last edited by recoyle; 06-03-2010 at 09:32 AM.
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Old 06-03-2010, 03:28 PM
Elton Elton is offline
 
Join Date: May 2009
Posts: 20
Thumbs up Re: Efficient discovery across MPLS

Very good suggestion, and we have add it to our roadmap for future release.
Thanks a lot!
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