The NBI is meant for scripting so the idea here is to get all end systems and iterate over that using a script. I dont see an option to filter based on a subnet.
I think you understand right, if the left 25 Gb uplink would go down, we would only receive traffic on the right 25gb link and that would all be switched to the direct attached 10gb link. If there is more than 10gb of traffic that would be dropped, w...