Grandstream GWN7831 Enterprise Layer 3 Managed Aggregation Switch, 20 x SFP, 4 x SFP/GigE Combo, 4 x SFP+, Redundant PSU The GWN7830 series are Layer 3 aggregation switches that allow enterprises to build scalable, secure, high-performance, and smart business networks that are fully manageable and support maximum capacity. * 2/4 Gigabit Ethernet ports, 6/24 Gigabit SFP ports, and 4/12 10Gigabit SFP+ ports * Supports deployment in IPv6 and IPv4 networks * ARP Inspection, IP Source Guard, DoS protection, port security DHCP snooping * Embedded controller to manage switch; GWN.Cloud and GWN Manager, Grandstream’s cloud and on-premise network management platform * Built-in QoS allows for prioritization of network traffic