I was wondering if anyone could point me in the direction of a tool capable of sniffing (or reading pcap files), and reporting on lan station thruput in terms of bits per second. Ideally I'd like to be able to generate a sorted report of the top users and top thruputs observed and so forth. The traffic is pppoe and I need to monitor it at a specific switchport where I can arrange span.
I believe Wireshark will also do what you are looking for. You can capture and analyze or open a .pcap file and analyze. I'm my version, you would do it be going to the following menu: