DrayTek VigorSwitch G2280 4-Port Smart Lite Gigabit Switch 8 QoS 56 Gbps Switching Capacity 41.7 Mpps Forwarding Rate 8K MAC Address 9KB Jumbo Fr 2 yrs warranty VigorSwitch G2280 is a fully managed Layer 2 Gigabit switch ideal for small and medium business. It is equipped with 24 10/100/1000 Mbps ports, 4 combo SFP/RJ-45 ports, and abundant of layer 2 management features to keep your network secure and smooth. 24 Gigabit Ethernet ports + 4 Gigabit SFP/RJ-45 combo ports VLAN configuration based on 802.1q tag, MAC address, and protocol Auto Voice VLAN and Auto Surveillance VLAN to optimize call and video quality Secure Local Network by 802.1x Port Security, ACL, IP Source Guard and DHCP Snooping Support IPv6 with MLD Snooping, IPv6 ACL, and IPv6 DNS Resolver Authentication by local database, multiple RADIUS, and TACACS+ servers IEEE 802.3az (Energy-Efficient Ethernet) Compliant Support SNMP v1/v2c/v3, RMON, and Syslog for network monitoring Compliant with Switch Management of Vigor Router Performance 4.1 Mbit buffer size 56 Gbps switching capacity 41.7 Mpps forwarding rate (64 bytes) 8k MAC address table Up to 9KB jumbo frame Hardware Ports 24 x 10/100/1000Base-T RJ-45 4 x Gigabit RJ-45/SFP Combo port 1 x RJ45 Console port Power Consumption Max.: 30 watts Dimension (mm) 441(L) x 270(W) x 45(H) (17.4″ x 10.6″ x 1.77″) Weight 2.59 kg (5.7 lb) Temperature Operating: 0°C ~ 40°C Storage: -20°C ~ 70°C Humidity Operating: 10% ~ 90% (non-condensing) Storage: 5% ~ 90% (non-condensing) VLAN Features Up to 256 VLAN 802.1q Tag-based VLAN MAC-based VLAN Protocol VLAN Management VLAN Voice VLAN Surveillance VLAN Port Isolation GVRP QinQ QoS QoS Queues 8 queues Queue Scheduling: SPQ, WRR Rate Limit Ingress Rate Control Egress Rate Control Class of Service 802.1p CoS DSCP CoS-DSCP IP Precedence