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Grandstream GWN7821P Layer-3 Managed PoE Switch

  • 8 Gigabit Ethernet ports and 2 Gigabit SFP+ uplink ports
  • Advanced Layer 3 switching with VLAN, QoS, and IGMP/MLD Snooping
  • Smart PoE power control supporting PoE/PoE+/PoE++ devices
  • ACL filtering with rule-based traffic access controls and scheduling
  • Built-in support for IPv6 and IPv4 network environments
  • Multiple management methods: Web UI, CLI, GWN Router, GDMS, and GWN Manager
  • Stacking support for central management and device-level redundancy
  • Reliability enhancements: fault detection, storm control, dual system files

Visit our store and enjoy:

  • Genuine, brand new, sealed stock
  • Price-match against authorized dealers
  • Installation & configuration services available
  • Expert advice on compatibility with your network

KSh 155,000.00 KSh 156,000.00

Grandstream GWN7821P Layer-3 Managed PoE Switch

The Grandstream GWN7821P is a high-performance Layer-3, multi-gigabit managed Power-over-Ethernet (PoE) switch built for medium-to-large enterprise environments. It blends high port speeds, strong PoE power delivery, advanced security, routing capabilities, and flexible management.

Designed to support bandwidth-intensive endpoints (WiFi-6 access points, surveillance cameras, etc.), it also offers enterprise features like dynamic PoE control, redundant firmware, VLANs & inter-VLAN routing, and cloud/local management via Grandstream’s platforms.

Grandstream GWN7821P Technical Specification

GWN7821PGWN7822P
Network ProtocolsIPv4, IPv6, IEEE 802.3, IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ae, IEEE 802.3az, IEEE 802.3ad, IEEE 802.3x, IEEE 802.3af/at/bt, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1d, IEEE 802.1w, IEEE 802.1s, IEEE 802.1x
Memory256MB RAM 8MB Nor Flash, 128MB Nand Flash
Jumbo Frame (Bytes)12288
PoE StandardsIEEE 802.3af/at/bt
Gigabit Ports8x 2.5G16x 1G, 8x 2.5G
SFP+ Ports2(To Support DAC, cable must be ≤ 5m)4(To Support DAC, cable must be ≤ 5m)
Maximum Amount of Supported ModulesSM-10G: 2MM-10G: 2RJ45-10G: 2SM-10G: 4MM-10G: 4RJ45-10G: 2(Note: RJ45-10G modules must be interval inserted)
Console1
Link Aggregation Groups32
# of PoE Ports
824
Integrated Power Supply280W(54V/5.19A)420W(54V/7.78A)
External Redundant Power Supply (RPS)/54V(300W)
Maximum Output Power Per PoE Port60W30W for port 1-16, 60W for port 17-24
Max Total PoE Output Power240W360W
Surge Protection± 6KV CM and DM for power± 4KV CM for network ports
ESD± 12KV for contact discharge
Auxiliary Ports1x Reset Pinhole
Forwarding ModeStore-and-forward
Total non-blocking throughput40Gbps76Gbps
Switching Capability80Gbps152Gbps
Forwarding Rate59.52Mpps113.088Mpps
Packet Buffer12Mb
Network Latency<4µs
StackingYes, up to 4 devices
Switching 16K MAC addresses, including static, dynamic and filtering MAC address 4K VLANs, port-based VLAN, IEEE 802.1Q VLAN tagging, MAC-based VLAN, Protocol-based VLANVoice VLAN including auto voice VLAN, tagged OUI and untagged OUIPrivate VLAN

16 VLAN virtual interface with 9216 MTU

GVRP (pending)

1K ARP/NDP

Spanning tree, 32 instances for STP/RTSP/MSTP/PVST(+)/RPVST(+)

ERPS (pending)

Routing
 512 (IPv4)/128(IPv6) routes 32 (IPv4)/32(IPv6) static routingPolicy routing (pending)Dynamic routing, including RIP, RIPng, OSPF, OSPFv3, BGP and IS-IS(pending)

Routing policy

VRRP(pending)

Multicast IGMP Snooping with IGMPv2 and IGMPv3, 256 IGMP Snooping groups MLD Snooping with MLDv1 and MLDv2, 256 MLD Snooping groupsMVR
QoS/ACL Port priority Priority mappingQueue scheduling, including SP, WRR, WFQ, SP-WRR and SP-WFQTraffic shaping

Rate limit

2K ACL for Ethernet, IPv4 and IPv6

DHCPDHCP server, DHCP relay, Option 82, 60, 160 and 43
Maintenance CPU and memory monitoring Fault detection and alarm for power supply and fanSNMP including SNMPv1, SNMPv2c, SNMPv3RMON

LLDP&LLDP-MED

Backup and restore

Syslog

Diagnostics including Ping, Traceroute, Mirroring including SPAN and RSPAN, UDLD (pending) and copper test

Upgrade via FTPS / TFTP / HTTP / HTTPS or local upload, mass provisioning using DHCP Option / TR-069 (pending) / GDMS Networking / GWN Manager / GWN Series

Routers

 

Security

 User hierarchical management and password protection, HTTPS, SSH, Telnet Identity authentication including 802.1X and MAC authenticationAAA authentication including RADIUS, TACACS+Storm control

Port isolation, port security, sticky MAC

Filtering MAC address

IP/IPv6 source guard, DoS attack prevention, ARP inspection

DHCP/DHCPv6 Snooping

Loop protection including BPDU protection, root protection and loopback

protection

Kensington Security Slot (Kensington Lock) support

Mounting
Desktop, or Rack-Mount (rack-mounting kits included)
System LEDs1x tri-color LED for device tracking and status indication
Power Supply LEDs/2x green-color LEDs for per power supply PWR&RPS
PoE Powered LEDs8x yellow-color LEDs24x yellow-color LEDs
Data Transferring LEDs10x green-color LEDs28x green-color LEDs
Fan22
EnvironmentalOperation: 0°C to 45°C, humidity 10% to 90% RH(Non-condensing) Storage: -10°C to 60°C, humidity: 10% to 90% RH(Non-condensing)
Dimensions330mm(L)x175mm(W)x44mm(H)440mm(L)x300mm(W)x44mm(H)
Unit Weight1.9Kg4.1Kg
 

Package Content

1x Switch
1x 1.2m AC Cable
1x 25cm Ground Cable
4x Rubber Footpads
1x Power Cord Anti-Trip
2x Extended Rack-Mounting Kits2x Rack-Mounting Kits
/1x RPS, External Redundant Power Supply(Optional)
8x Screws(KM 3*6)
1x Simplified Quick Installation Guide
1x Regulatory Paper
ComplianceFCC, CE, RCM, IC
SKU: OF4943 Category:

Brand

Grandstream

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