24-Port Layer 2 Managed 10/100/1000M Switch, 24 Gigabit Ethernet ports + 4 Gigabit SFP ports + 1 management port, backplane bandwidth 56Gbps, Layer 2 network management function, support routing, DHCP, VLAN, MAC address, ACL access control, QOS, multicast, storm Suppression, IPV4/IPV6 and other business functions, support 802.1X authentication, ARP intrusion detection, IP source protection, DoS protection and other security control policies, support STP/RSTP/MSTP spanning tree protocol, dynamic/static link aggregation and other network protection functions, Support Web/Telnet/CLI/SSH management and maintenance, 1U rack mount