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Layer 3 · Multi-Gig

Grandstream GWN7821 Series

Layer 3 Multi-Gigabit Managed PoE Switches

The Grandstream GWN7820 series (GWN7821P/7822P) are enterprise Layer 3 multi-gigabit managed PoE switches with Gigabit and 10G SFP+ ports for high-performance, smart networks.

Layer 3 Multi-Gig

Managed PoE

10G SFP+

Aggregation

Smart PoE

Per-port power

Stacking

Redundant

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Layer 3
Multi-Gig
10G
SFP+
PoE
Smart
Stacking
Yes
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All Grandstream Products in a quick overview.

IP Phones, IP Video Phones, Access Points, IPPBX, Gateways& ATAs

Technical Features

Built for Network Switches

The GWN7821 Series pairs enterprise-grade performance with free centralised management across your Grandstream network.

Layer 3 multi-gigabit Switching

Layer 3 multi-gigabit managed switching with advanced VLAN segmentation and traffic control

2/4 Gigabit + 6/24 SFP ports

Dense port layout to connect and, on PoE models, power your entire endpoint fleet

Dynamic PoE/PoE+ per port

Smart dynamic PoE power allocation per port for IP phones, cameras and access points

SFP / SFP+ Uplinks

4/12 10G SFP+ ports for high-speed aggregation and backbone connectivity

Network Security

ACL, ARP inspection, IP source guard, DoS protection, port security and DHCP snooping

High Availability

Link aggregation, dual boot, dual firmware redundancy, storm control and fault detection

Advanced QoS

Built-in QoS prioritises latency-sensitive traffic like voice and video across the network

Free Management

Embedded controller plus free GDMS Networking (cloud) and GWN Manager (on-premise)

Success Stories

What Our Customers Say

Hear directly from businesses that have transformed their communications with Cohesive Technologies solutions.

Customer testimonial video
Cancer Institute
Customer testimonial video
Cleo Gold
Customer testimonial video
Balaji Amines Ltd
Customer testimonial video
Vitel Global Com
Frequently Asked Questions

Grandstream GWN7821 Series — Common Questions

Everything you need to know about the Grandstream GWN7821 Series before you buy.

The Grandstream GWN7820 series (GWN7821P/7822P) are enterprise Layer 3 multi-gigabit managed PoE switches with Gigabit and 10G SFP+ ports for high-performance, smart networks. They are ideal for medium-to-large enterprises building scalable multi-gigabit networks.
The GWN7821 Series is a Layer 3 multi-gigabit switch, giving you VLANs, QoS, security and centralised management appropriate to that tier.
The GWN7821 Series provides 2/4 Gigabit + 6/24 SFP ports, with 4/12 10G SFP+ ports for uplink and aggregation.
Yes — dynamic poe/poe+ per port.
The GWN7821 Series is managed through its embedded controller, plus free GDMS Networking (cloud) and GWN Manager (on-premise) platforms.
Yes — the Grandstream GWN7821 Series is available in India through Cohesive Technologies, an authorised national distributor of Grandstream IP telephony. Request pricing at sales@cohesiveglobal.com or visit cohesiveglobal.com.