The Keysight J2901A provides comprehensive testing capability for switched, full-duplex Gigabit Ethernet. The Keysight Advisor is a portable, full-featured network-analysis solution that allows users to install, support and maintain local area network (LAN), wide area network (WAN) and asynchronous transfer mode (ATM) networks by providing features that makes troubleshooting any network segment quick and easy. Full-duplex monitoring and analysis Traffic generation at full line rate Comprehensive MAC level, protocol, and error statistics Expert analysis 7-layer decodes of all major protocols Hardware based 16 ns time-stamping Extensive hardware filters and triggers