The Grandstream GWN7821P is a Layer 3 multi-gigabit managed PoE switch designed for medium-to-large enterprises seeking scalable, secure, and high-performance networking solutions. It offers advanced features such as dynamic power allocation, robust security protocols, and flexible management options.
🔧 Key Specifications
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Ports:
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8 × 2.5 Gigabit Ethernet RJ45 ports
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2 × 10-Gigabit SFP+ uplink ports
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PoE Capabilities:
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Supports IEEE 802.3af/at/bt standards
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PoE++: Up to 60W per port
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Total PoE budget: 24
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Performance:
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Switching capacity: 152 Gbps
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Link Aggregation Groups: 5
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VLAN & QoS:
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Supports up to 4,096 VLANs
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Advanced QoS with queue scheduling (SP, WRR, WFQ, SP-WRR, SP-WFQ), traffic shaping, and rate limiting
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Access Control Lists (ACLs) for Ethernet, IPv4, and IPv6
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Routing Capabilities:
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Static routing
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Dynamic routing protocols: RIP, RIPng, OSPF, OSPFv3
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Multicast Support:
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IGMP Snooping
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MLD Snooping
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Multicast VLAN Registration (MVR)
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Security Features:
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ARP Inspection, IP Source Guard, DoS protection, port security, DHCP snooping
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802.1X authentication, RADIUS, TACACS+ support
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Loop protection including BPDU protection, root protection, and loopback protection
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Management & Monitoring:
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Local web user interface
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Command-line interface (CLI) via SSH and Telnet
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Grandstream Device Management System (GDMS)
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GWN Manager (on-premise)
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SNMP, RMON, LLDP/LLDP-MED support
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Diagnostics including Ping, Traceroute, port mirroring, UDLD, and copper test
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Physical & Environmental:
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Mounting options: Desktop, wall, or rack-mountable (rack-mount brackets included)
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Operating temperature: 0°C to 45°C
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Storage temperature: -10°C to 60°C
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Operating humidity: 10% to 90% (non-condensing)
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Power Supply:
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Supports external redundant power supply (RPS): 12V/5A (60W) (optional)
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Certifications:
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CE, FCC, RCM, IC, UKCA
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