GR‑GWN7821P | Layer 3 Multi‑Gigabit Managed PoE Switch — GWN7820 Series
Enterprise L3 switching with advanced VLAN, QoS, IGMP/MLD Snooping, smart PoE, and dual‑stack IPv4/IPv6.
The Grandstream GWN7820 Series are Layer 3 multi‑gigabit managed PoE switches built for medium‑to‑large enterprises that need scalable, secure and high‑performance networks. Models such as GR‑GWN7821P deliver flexible VLAN segmentation, advanced QoS for precise traffic prioritisation, and IGMP/MLD Snooping for multicast efficiency. With comprehensive security, smart dynamic PoE to power IP phones/cameras/Wi‑Fi APs, and multiple management options (local Web UI, CLI, GWN router integration, GDMS Networking cloud and GWN Manager on‑prem), the GWN7820 Series offers exceptional value for enterprise‑grade switching.
Key Features & Benefits
- Powerful processing — Built for high performance and low latency across busy enterprise networks.
- Multi‑layer security — Comprehensive protections against potential attacks; secure, role‑based administration.
- Dual‑stack networking — IPv4/IPv6 support for future‑ready deployments.
- Advanced VLAN — Flexible segmentation for users, voice, cameras, guests and IoT.
- Advanced QoS — Prioritise voice/video and critical apps to guarantee user experience.
- IGMP/MLD Snooping — Optimise multicast performance for IP video and streaming.
- Smart PoE — Dynamic allocation to power IP phones, cameras and Wi‑Fi APs efficiently.
- Energy‑efficient — Power‑saving design for greener operations.
- Enterprise‑grade reliability — Robust hardware and software for continuous operation.
- Easy management — Local Web UI & CLI, plus GDMS (cloud) and GWN Manager (on‑prem) for fleet control.
Ideal Deployments
- Medium–large offices, campuses and multi‑site enterprises
- Retail, hospitality and education networks with voice, video and guest segmentation
- Surveillance‑heavy sites powering IP cameras and Wi‑Fi access points
Technical Details — At a Glance
- Series: Grandstream GWN7820 (model example: GR‑GWN7821P)
- Switching: Layer 3 managed, multi‑gigabit architecture
- Segmentation: Advanced VLAN features for flexible, secure traffic isolation
- Traffic control: Advanced QoS, queueing and rate control for prioritised services
- Multicast: IGMP/MLD Snooping for efficient multicast distribution
- Security: Comprehensive features guarding against potential attacks
- PoE: Smart dynamic PoE output (powering IP phones, cameras, APs)
- Management: Local Web UI & CLI; GDMS Networking (cloud); GWN Manager (on‑prem); integration with GWN routers
Before you order:
- Confirm port count, uplink options and PoE budget for your specific GR‑GWN7821P variant.
- Map required VLANs/QoS policies (voice, video, guest, IoT) and multicast needs.
- Choose your management path: GDMS cloud vs. GWN Manager on‑prem.
Design & Quote: Tell us your device counts, VLAN plan and PoE needs. We’ll size a GR‑GWN7821P solution and provide a turnkey bill of materials.
Details above reflect the series capabilities you provided. Specs vary by model/region; verify against the latest Grandstream datasheet for GR‑GWN7821P.
