Top Protocols Home Network Views Top Protocols Top protocols in the activity view shows you the layer 4 protocol types in a pie chart. Each segment indicates the percentage used by a layer 4 protocol type, such as TCP, UDP, ICMP etc. Click on any segment of the pie chart to drill down. Was this article helpful? Yes No Related Articles Activity View Bandwidth Usage Top Applications Top destination or top source? Top HTTP Domains User Performance (Round Trip Times) - Network Latency