Grandstream GWN7821P Layer-3 Managed PoE Switch

Product Overview

The Grandstream GWN7821P is a high-performance Layer 3 managed multi-gigabit PoE switch designed for modern enterprise networks. Developed by Grandstream Networks, the switch provides advanced routing, high-speed connectivity, and intelligent power delivery for demanding business environments.

It features 8 × 2.5-Gigabit PoE++ Ethernet ports and 2 × 10-Gigabit SFP+ fiber uplink ports, enabling high-speed connections to core networks, servers, or aggregation switches. With a 240W PoE power budget (up to 60W per port), the switch can power devices such as Wi-Fi access points, IP phones, and IP surveillance cameras directly via Ethernet cables.

The GWN7821P supports Layer 3 switching and routing, VLAN segmentation, QoS traffic prioritization, and enterprise-grade security features. Administrators can manage the switch via local web interface, CLI, SNMP, or centralized cloud management through GDMS Networking and GWN Manager, making it ideal for scalable enterprise deployments.

Key Features

• Layer 3 managed enterprise network switch

• 8 × 2.5G PoE++ RJ45 ports

• 2 × 10G SFP+ uplink ports for high-speed backbone connectivity

• 240W total PoE power budget (up to 60W per port)

• Supports IEEE 802.3af / at / bt PoE standards

• 80Gbps switching capacity and high forwarding performance

• Advanced VLAN support (up to 4K VLANs) for network segmentation

• Dynamic routing support including RIP, OSPF, and policy routing

• QoS traffic prioritization for voice and video applications

• Enterprise security features such as 802.1X authentication, ACLs, and DoS protection

• Link aggregation and spanning tree support

• Centralized management via GDMS Networking or GWN Manager

Ideal For

• Enterprise and corporate networks

• Hotels and hospitality networks

• IP surveillance systems

• Wi-Fi 6 / Wi-Fi 7 access point deployments

• Campus and office networking infrastructure

• High-speed multi-gigabit network environments

Technical Specifications

Why Choose the GWN7821P

The GWN7821P combines multi-gigabit networking, powerful PoE delivery, and advanced Layer 3 management features in a compact enterprise switch. With 2.5G access ports and 10G uplinks, it provides the speed and flexibility required for modern Wi-Fi networks, IP cameras, VoIP systems, and high-bandwidth applications.