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

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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