Grandstream GWN7831 Layer 3 Aggregation Switch, 24x SFP, 4x 10G SFP+, 4x GbE Combo

Part number GWN7831

4 Gigabit Ethernet combo ports, 24 Gigabit SFP ports and 4 10Gigabit SFP+ ports
Layer 3 static and dynamic routing (RIP, RIPng, OSPF, OSPFv3, BGP) in IPv6 and IPv4 networks
ARP Inspection, IP Source Guard, DoS protection, port security & DHCP snooping
Built-in QoS allows for prioritization of network traffic
Supports stacking for easy management on one interface while creating redundant backup between multiple devices
Management via embedded controller, CLI, GDMS Networking, GWN Manager and GWN Series Routers
Built-in 4KV and 6KV surge protection
Dual power supply design with optional external RPS (RPS-60W-B) for uninterrupted operation

Gigabit Fiber Cloud Managed Grandstream Layer 3 Rack Mount Redundant Power SFP

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Delivery within 4–10 business days across Saudi Arabia
Warranty according to the manufacturer
Tax invoice with every order
Technical support before and after purchase

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Official datasheetGrandstream_GWN7831_Datasheet.pdf Download

Overview of Grandstream GWN7831

The Grandstream GWN7831 is a Layer 3 aggregation managed switch from the GWN7830 series that lets enterprises build scalable, secure and high-performance networks with maximum capacity. It provides 4 Gigabit Ethernet combo ports, 24 Gigabit SFP ports and 4 10G SFP+ ports, with support for an optional external redundant power supply, making it suitable for aggregating fiber links from access switches across buildings and floors. Advanced VLANs, QoS, IGMP/MLD Snooping, static and dynamic routing and comprehensive security give administrators full network control. Manage it via web UI, CLI, GDMS Networking, GWN Manager or GWN routers in campuses, hotels, hospitals and large offices.

Technical Specifications – Grandstream GWN7831

General

Network Protocols	IPv4, 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 802.1p, IEEE 802.1Q, IEEE 802.3AB, IEEE 802.1D, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x

Ports

Gigabit Ethernet Ports	4x Combo
1G SFP Ports	24
10G SFP+ Ports	4 (supports DAC cable, must be ≤ 5m)
Maximum No. of Supported Modules	SM-1G: 24; MM-1G: 24; RJ45-1G: 12; SM-10G: 4; MM-10G: 4; RJ45-10G: 2 (RJ45 modules must be interval inserted)
Console	1
Auxiliary Ports	1 × Reset Pinhole

Power & PoE

Integrated Power Supply	60W
External Redundant Power Supply (RPS)	12V/60W (optional)
Surge Protection	±6 kV CM and DM for power; ±4 kV CM for network ports
ESD	±12 kV for contact discharge

Performance

Forwarding Mode	Store-and-forward
Total Non-Blocking Throughput	64Gbps
Switching Capability	128Gbps
Forwarding Rate	95.232Mpps
Packet Buffer	12Mb
Network Latency	<4 µs

Software Features

Switching	16K MAC addresses, including static, dynamic and filtering MAC address; 16 VLAN virtual interface with 9216 MTU; 1K ARP/NDP; 4K VLANs, port-based VLAN, IEEE 802.1Q VLAN tagging, MAC-based VLAN, protocol-based VLAN; Private VLAN; Voice VLAN including auto voice VLAN, tagged OUI and untagged OUI; GVRP (pending); 32 link aggregation groups; ERPS (pending); Spanning tree, 32 instances for STP/RSTP/MSTP/PVST(+)/RPVST(+)
Routing	512 (IPv4)/128 (IPv6) routes; 32 (IPv4)/32 (IPv6) static routing; Policy routing (pending); Dynamic routing, including RIP, RIPng, OSPF, OSPFv3 and BGP; Routing Policy; VRRP (pending)
Multicast	IGMP Snooping with IGMPv2 and IGMPv3, 256 IGMP Snooping groups; MLD Snooping with MLDv1 and MLDv2, 256 MLD Snooping groups; MVR
QoS/ACL	Port priority; Priority mapping; Queue scheduling, including SP, WRR, WFQ, SP-WRR and SP-WFQ; Traffic shaping; Rate limit; 2K ACL for Ethernet, IPv4 and IPv6
DHCP	DHCP server, DHCP relay, DHCP Option 82, 60, 160 and 43
Maintenance	CPU and memory monitoring; Fault detection and alarm for power supply and fan; SNMP including SNMPv1, SNMPv2c, SNMPv3; RMON; LLDP & LLDP-MED; Backup and restore; Syslog; Diagnostics including Ping, Traceroute, Mirroring including SPAN and RSPAN, UDLD (TBD) 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 router
Security	User hierarchical management and password protection, HTTPS, SSH, Telnet; Identity authentication including 802.1X and MAC authentication; AAA 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

Physical & Environmental

Mounting	Desktop, Wall-Mount or Rack-Mount (rack-mounting kits included)
System LEDs	1x tri-color LED for device tracking and status indication
Power Supply LEDs	2x bi-color LEDs for per power supply PWR&RPS
Data Transferring LEDs	32 green-color LEDs
Fan	2
Environmental	Operating: 0 °C to 45 °C, humidity 10–90% RH non-condensing; Storage: -10 °C to 60 °C, humidity 10–90% RH non-condensing
Dimensions	440mm (L) × 200mm (W) × 44mm (H)
Unit Weight	3.15 kg
Package Content	1x Switch; 1x 1.2m (10A) AC Cable; 1x 25cm Ground Cable; 4x Rubber Footpads; 1x Power Cord Anti-Trip; 2x Rack-Mounting Kits; 8x Screws (KM 3*6); 1x Simplified Quick Installation Guide; 1x Regulatory Paper; 1x RPS, External Redundant Power Supply (Optional)
Compliance	FCC, CE, RCM, IC, UKCA

Source: Grandstream official website and datasheet. Specifications are subject to change by the manufacturer.

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GWN7832 Grandstream GWN7832 Layer 3 Aggregation Switch, 12x 10G SFP+, 240Gbps, Redundant Power ⃁ 1,162.97

PRACTICAL ANSWERS

Network planning questions

Should I choose a router, a switch or an access point?

Start with the task: connecting networks, adding wired device ports, or providing wireless coverage. A single installation may need more than one device type. Share a site diagram and device list so the proposed roles and connections are clear.

Why is wireless coverage weak in some rooms?

Check the access point location, building layout, obstacles and the number of active devices. Measure coverage where people actually work before choosing extra equipment; changing the internet package alone may not address a coverage problem.

How do I select a switch for powered network devices?

List the devices to be connected and check each device’s power requirements against the switch’s per-port capability and total documented power budget. Also review uplink capacity and reserve ports for the expansion you actually expect.

Can the guest network be separated from business devices?

Define which devices and services guests should be able to reach, then check whether the router, switch and access points support the required separation. Test the resulting access rules; a different wireless network name alone is not the acceptance test.

What information helps plan a network upgrade?

Provide floor plans, current equipment models, internet connections, cabling details and peak device counts. Describe the applications that matter most and the observed problem, such as disconnections or slow local file access.

How should network performance be checked after installation?

Agree on the locations and representative workloads to test, then record wired and wireless results separately. Check connectivity, coverage and access rules during normal use, and retain a diagram and configuration backup for support.