Layer 3 24-Port 10/100/1000T + 4-Port 10G SFP+ Stackable Managed Switch XGS3-24042 Datasheet Manual Firmware Features24-port 10/100/1000BASE-T RJ45 copper4 100/1000BASE-X mini-GBIC/SFP slots, shared with Port-21 to Port-244 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFPRJ45 to RS232 console interface for switch basic management and setup1 RJ45 Ethernet management port for switch basic management and setup1 USB 2.0 for backup/upload configuration and firmware upgradeIP routing protocol supports RIPv1/v2, RIPng, OSPFv2/v3, BGP4/4+VRRPv1/v3 protocol for redundant routing deploymentSupports route redistributionSupports IPv4 IGMP snooping v1, v2 and v3; IPv6 MLD v1 and v2 snoopingQuerier mode supportsSupports Multicast VLAN Register (MVR) Dimension