Grandstream GWN7831 – 28-Port Layer 3 Aggregation Managed Switch (SFP / SFP+)
🔹 Product Overview
The Grandstream GWN7831 is an enterprise-grade Layer 3 aggregation managed switch designed for medium-to-large business networks that require high-speed fiber connectivity, advanced routing, and scalable infrastructure.
It features 24 Gigabit SFP ports, 4 Gigabit combo (RJ45/SFP) ports, and 4 × 10G SFP+ uplinks, making it ideal for aggregation and core network deployments such as data centers, campus networks, and ISP backbones.
Key Features
- 24 × Gigabit SFP fiber ports
- 4 × Gigabit RJ45/SFP combo ports
- 4 × 10G SFP+ uplink ports
- Advanced Layer 3 routing & switching
- 128Gbps switching capacity for high-performance networking
- Forwarding rate: ~95.2Mpps for efficient packet handling
- IPv4 & IPv6 dual-stack support
- Advanced VLAN (up to 4K VLANs) for network segmentation
- Built-in QoS (Quality of Service) for traffic prioritization
- IGMP/MLD Snooping for optimized multicast traffic
- Enterprise-grade security features:
- ARP Inspection
- IP Source Guard
- DoS protection
- DHCP snooping
- Port security
- Stacking support (up to 4 switches) for scalability
- Redundant power support (optional) for reliability
- Dual-fan cooling system
🔹 Technical Specifications
| Specification | Details |
|---|---|
| Ports | 24 × SFP + 4 × Combo (RJ45/SFP) + 4 × 10G SFP+ |
| Switching Capacity | 128 Gbps |
| Throughput | 64 Gbps (non-blocking) |
| Forwarding Rate | 95.2 Mpps |
| MAC Address Table | 16K |
| Packet Buffer | 12 MB |
| VLAN Support | Up to 4000 VLANs |
| Routing | Static + Dynamic (RIP, OSPF, OSPFv3) |
| Link Aggregation | Supported (LAG) |
| Management | Web UI, CLI, SNMP, Cloud |
| Cooling | Active (dual fans) |
| Mounting | Rack / Desktop / Wall |
| PoE | ❌ No PoE |
Management & Deployment
The GWN7831 supports flexible enterprise-grade management:
- Web-based GUI (local interface)
- CLI (Console, SSH, Telnet)
- SNMP v1/v2c/v3 & RMON monitoring
- GWN.Cloud (free centralized cloud management)
- GWN Manager (on-premise controller)
This enables centralized control and monitoring of multiple devices across distributed networks without licensing costs.
Performance Highlights
- High-capacity 128Gbps switching fabric for enterprise workloads
- 10G SFP+ uplinks for high-speed aggregation and backbone
- Low latency (<4µs) for real-time applications
- Stacking capability enhances redundancy and scalability
- Advanced routing (OSPF, RIP) for Layer 3 core functionality
Use Cases
- Enterprise core and aggregation networks
- Data centers and server rooms
- ISP and fiber backbone infrastructure
- Campus and university networks
- High-speed fiber deployments
- Large office environments
🔹 Benefits
- ✅ High-density fiber connectivity (24 SFP ports)
- ✅ 10G uplinks for backbone performance
- ✅ Advanced Layer 3 routing capabilities
- ✅ Scalable with stacking support
- ✅ Enterprise-grade security and traffic control
- ✅ Free cloud-based centralized management
What’s in the Box
- GWN7831 Network Switch
- Power cable
- Rack-mount kit
- Ground cable
- Rubber feet
- Quick installation guide
Useful Links
- Official Product Page: https://www.grandstream.com/products/networking-solutions/network-switches/product/gwn7830-gwn7831-gwn7832
- Datasheet (PDF): https://www.grandstream.com/hubfs/Product_Documentation/GWN7830_Series_Datasheet.pdf
- Product Specs & Purchase: https://www.bhphotovideo.com/c/product/1924973-REG/grandstream_gwn7831_aggregation_switch_24_x.html
- Kenya Availability: https://www.hubtech.co.ke/grandstream-gwn7831-layer-3-aggregation-managed-switch/
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