Layer 3 Stackable Managed Gigabit Switch supports multi-layer IPv6/IPv4 Gigabit Ethernet Routing, and provides 24 100/1000Mbps SFP slots, 16 shared 10/100/1000Mbps Ethernet ports, 4 extra 1/10G SFP+ uplink slots and 2 20G QSFP+ slots for Hardware stacking to meet the bandwidth requirements and protect network investment for enterprises. 24-port 100/1000BASE-X mini-GBIC/SFP slots. 16 10/100/1000BASE-T RJ45 copper ports, shared with port-1 to port-16. 4 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFP. 2 20Gbps Hardware Stacking ports. RJ45 to DB9 console interface for switch basic management and setup. 1 RJ45 Ethernet management port for switch basic management and setup. 1 USB 2.0 for backup/upload configuration and firmware upgrade. Connects with stack member via both Gigabit TP/SFP interface and 10G SFP+ slots. IP routing protocol supports RIPv1/v2, RIPng, OSPFv2/v3, BGP4/4+. Routing interface provides per VLAN routing mode.