The GWN7816 (and its PoE variant GWN7816P) is a high-performance, enterprise-grade Layer 3 managed network switch from Grandstream.
It is designed for medium to large business networks that require:
High port density (many devices to connect)
Traffic segmentation, routing, and advanced management
Security, redundancy, and reliability
(In the “P” model) PoE / PoE+ / PoE++ support to power devices like IP phones, cameras, access points directly over Ethernet.
The switch supports both IPv4 and IPv6, and can be managed locally (web UI, CLI) or via cloud / on-premises management platforms (Grandstream’s GDMS / GWN Manager)
It also includes features for reliability, traffic prioritization (QoS), VLANs, security (ARP inspection, source guard, etc.), and stacking (for managing multiple switches together)
Here are the important features of the GWN7816 / GWN7816P:
| Feature | Description / Benefit |
|---|---|
| High port count + uplinks | 48 × Gigabit RJ45 ports + 6 × 10G SFP+ optical/fiber ports for uplinks / stacking. |
| PoE / PoE+ / PoE++ (P model) | The “P” variant supports dynamic PoE, PoE+, and PoE++ per port (with smart power allocation). Useful to power devices (e.g. APs, IP cameras) directly. |
| High switching capacity / performance | Up to 216 Gbps switching, with non-blocking throughput. |
| Advanced VLAN & QoS | Supports advanced VLAN types (port-based, IEEE 802.1Q tagging, QinQ, voice VLAN, etc.) and QoS to prioritize critical traffic. |
| Routing & Layer 3 capabilities | Support for static routing, dynamic routing protocols (RIP, OSPF, etc.), up to certain route counts. |
| Security & protections | Features such as ARP inspection, IP / IPv6 source guard, DHCP snooping, DoS protection, 802.1X authentication, port security, storm control, loop protection, etc. |
| Redundancy & reliability | Fault detection, dual boot, dual system file redundancy, link aggregation, stacking, device protection. |
| Stacking support | Ability to manage multiple switches in a stack with redundancy. |
| Management options | Local Web UI, CLI (command line), cloud / on-premises management via GDMS / GWN Manager. |
| Flexibility & future-proofing | Supports IPv6, modular uplink modules, high route counts, etc. |
Below are more detailed specifications for the switch (both base and PoE model where applicable) based mostly on the datasheet.
| Parameter | Value / Description |
|---|---|
| Model variants | GWN7816 (non-PoE) and GWN7816P (with PoE support) |
| Ports | 48 × 1GbE RJ45 ports + 6 × 10G SFP+ ports |
| Switching capacity (non-blocking) | 108 Gbps (some sources mention 108 Gbps forwarding, 216 Gbps switch fabric) |
| Forwarding rate | 160.704 Mpps |
| Packet buffer | 16 Mb |
| Network latency | < 4 µs |
| MAC address table | 32K entries (static / dynamic / filtering / sticky) |
| VLAN | Up to 4K VLANs, support for port-based, IEEE 802.1Q VLAN tagging, QinQ, private VLAN, voice VLAN, etc. |
| Routing | Static routes: up to 32 IPv4 / 32 IPv6 static routes. Dynamic routing: RIP, RIPng, OSPF, OSPFv3, BGP (in some sources) |
| Link aggregation | Up to 32 aggregated links |
| Spanning Tree Protocols | STP, RSTP, MSTP, PVST(+), RPVST(+) — up to 64 instances |
| Multicast | IGMP Snooping (v2, v3), MLD Snooping (v1, v2) — up to 256 groups |
| PoE (GWN7816P only) | Supports IEEE 802.3af / at / bt (i.e. PoE, PoE+, PoE++). |
| Power per port: up to 60 W for ports 1–8 (PoE++) and up to 30 W for ports 9–48 | |
| Total PoE budget: up to 740 W (with one PSU) | |
| Power Supply | Default: one 70 W PSU (non-PoE) or appropriate PSU for PoE model. Supports optional hot-swap PSU (920 W, etc.) |
| Surge & ESD protection | ±4 kV CM / ±2 kV DM for power; ±4 kV CM for network ports; ±12 kV ESD contact discharge |
| LEDs / Indicators | LEDs for port status, power supply status, etc. (Tri-color, bi-color indicators) |
| Cooling | 4 internal fans |
| Mounting / Form Factor | Rack-mountable (1U height) or desktop with mounting kits; dimensions: ~ 440 × 300 × 44 mm (L × W × H) |
| Weight | ~4.7 kg |
| Operating environment | 0 °C to 45 °C; relative humidity 10% to 90% non-condensing |
| Storage | –10 °C to 60 °C; humidity 10% to 90% non-condensing |
| Certifications | FCC, CE, RCM, IC, UKCA |
| Warranty | ~3 years |
| Security / Access Features | Hierarchical user management, HTTPS / SSH / Telnet, 802.1X authentication, RADIUS / TACACS+ (AAA), BPDU protection, root / loop protection, port isolation, sticky MAC, DHCP snooping, IP source guard, ARP inspection, DoS prevention, etc. |
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