The KSZ9897 is a fully integrated layer 2, managed, seven-port gigabit Ethernet switch with numerous advanced features. Five of the seven ports incorporate 10/100/1000MBps PHYs. The other two ports have interfaces that can be configured as SGMII, RGMII, MII or RMII
Integrated 7-port 10/100/1000 Layer-2 switch with Gigabit uplink Non-blocking wire-speed Ethernet switching fabric: Advanced Switch Capabilities Full-featured forwarding and filtering control, including Access Control List (ACL) filtering
VLAN supportfor 128 active VLAN groups and the full range of 4096 VLAN IDs Tag insertion or removal on a per port basis and support for double-tagging VLAN ID tag/untag options on per port basis Full-duplex flow control and half-duplex back pressure collision control IGMPv1/v2/v3 snooping for multicast packet filtering IPv6 multicast listener discovery (MLD) snooping QoS/CoS packets prioritization support: 802.1p
