The KSZ9896 is a fully integrated layer 2, managed, six-port gigabit Ethernet switch with numerous advanced features. Five of the six ports incorporate 10/100/1000 Mbps PHYs. The sixth port has a MAC interface that can be configured as GMII, RGMII, MII or RMII.Full register access is available by SPI or I2C interfaces, and by optional in-band management via any of the data ports. PHY register access is provided by a MIIM interface.Security features include support for IEEE 802.1X port-based authentication a