Grandstream GWN7831, Layer 3 Managed Network Switch, 24x SFP, 4x SFP+, 4x GbE combo, optional redundant PSU

Network Protocol IPv4, IPv6, IEEE 802.3, IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ae, IEEE 802.3az, IEEE 802.3ad, IEEE 802.3x, IEEE 802.1p, IEEE 802 .1Q, IEEE 802.3AB , IEEE 802.1p, IEEE 802.1D, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x Gigabit Ethernet Ports 4 Port Gigabit SFP 24 Port Gigabit SFP+ 4 Console 1 Built-in power supply 60W External backup power supply 12 W, 60 W Additional ports 1 vent hole Redirection mode Accumulation and transfer Switching speed 128 Gbps Redirection rate 95,232 million packets per second Packet Buffer 12 MB Network delay <4 microseconds Routing • Static routing • Dynamic routing, including RIP, RIPng, OSPF and OSPFv3 • Routing according to the policy (development) Multicast broadcast • IGMP Snooping with IGMPv2 and IGMPv3 • MLD tracking from MLDv1 and MLDv2. • MVR (in development) Quality of Service/ACL • Port prioritization • Prioritization scheme • Priority schedule, including SP, WRR, WFQ, SP-WRR and SP-WFQ • Traffic management • Speed limit Fan 2 Safety • User hierarchy management and password protection, HTTPS, SSH, Telnet • 802.1X authentication • AAA authentication, including RADIUS, TACACS+ • Storm Management • Port Isolation, Port Protection, Sticky MAC • MAC address filtering • IP Source Guard, protection against DoS attacks, ARP Inspection • DHCP tracking • Loop protection, including BPDU protection, root protection (in development) and loop detection (in development) • Kensington socket (for Kensington locks) Assembling Desktop, wall-mounted or rack (rack brackets included) System indicators 1 Three-color indicator for device monitoring and status indication