Blog

The Port Mirroring or SPAN (Switched Port Analyzer) method of monitoring network traffic has been the perennial focus of network visibility. With port mirroring enabled, the switch sends a copy of all network packets seen on one port (or an entire VLAN) to another port, where the packet can be analyzed. As a SPAN port is unidirectional and network traffic is bidirectional, the aggregate traffic could be twice as mu...

A Technical Overview and Deployment Considerations The Internet Protocol Flow Information Export (IPFIX) is a network flow protocol standard defined by the Internet Engineering Task Force (IETF). The IETF IPFIX project was initiated to create a widespread benchmark of export metadata about the traffic flow information from routers, switches, firewalls, and oth...

By 2021, cybercrime will cost $6 trillion globally. In a survey of over 500 senior-level IT managers, 77% said their companies experienced a security incident in 2018. And worse yet, 39% said their companies suffered five or more data-corrupting events.

Network visibility goals never change—you want to deploy the right combination of network taps, network packet brokers, and

The more we rely on network-connected systems and services for mission-critical processes, the more important it is to design for network visibility. Vendors have been preaching the importance of network visibility for decades. While it’s important to have the right combination of network...