24 ports - Managed L3 - stackable. Enclosure Type: Rack Mount - 1U. Ports: 24 x 10 Gigabit SFP+. Throughput: Switching capacity: 960 Gbps. Capacity: IGMP Groups: 4000. MAC address table size: 128K entries. Supports Jumbo Case: 12KB. Maximum units in a stack: 4. Addressing protocol: IGMPv2, IGMP, IGMPv3. Remote management protocol: SNMP, RMON, Telnet, HTTP, SSH, CLI. Encryption algorithm: SSL. Authentication method: RADIUS, TACACS+. Flow Control, DoS Attack Prevention (Denial of Service), Broadcast Storm Control, Multicast Storm Control, Unicast Storm Control, Access Control List (ACL) Support, Quality of Service (QoS), Safeguard Engine, with LLDP, Port Security, Data Center Bridging (DCB). Compliance with IEEE 802.1p, IEEE 802.1w, IEEE 802.1s, IEEE 802.1Qbb, IEEE 802.1Qaz -Status indicators Port transmission speed, power, link / activity, fan, console.