Fast dispatch and helpful advice before we placed a multi-site order. Pricing was clear and the product arrived ready for install.
Wesley G.
Grandstream GWN7831 28Ports Layer 3 Aggregation Managed Switch
- 24 × Gigabit SFP fiber ports
- 4 × 10Gb SFP+ uplink ports
- Enterprise Layer 3 aggregation managed switch
- Advanced static and dynamic routing support
- Switching capacity up to 128Gbps
- Forwarding rate up to 95.23Mpps
- Inter-VLAN routing capabilities
- Advanced VLAN segmentation and QoS prioritization
- IGMP/MLD Snooping for multicast optimization
- Enterprise-grade ACL security protections
- DHCP Snooping, ARP Inspection, and IP Source Guard
- IPv4 and IPv6 compatibility
- Cloud management via GDMS Networking
- Local web GUI and CLI management
- Stack management support
- Rackmount enterprise metal chassis
Interfaces
- 24 × Gigabit SFP ports
- 4 × 10Gb SFP+ uplink ports
- 1 × Console management port
- Switching Capacity: 128Gbps
- Non-blocking Throughput: 64Gbps
- Forwarding Rate: 95.23Mpps
- MAC Address Table: 16K entries
- Packet Buffer: 12MB
- Jumbo Frame Support: up to 9KB
Layer 3 Features
- Static routing
- Dynamic routing support
- Inter-VLAN routing
- Policy routing
- IPv4 and IPv6 routing support
- RIP, OSPF, and advanced routing support (grandstream.com)
Layer 2 Features
- VLAN support
- Voice VLAN and Private VLAN
- Link aggregation (LACP)
- STP / RSTP / MSTP
- IGMP Snooping / MLD Snooping
- Port mirroring
- Loop detection and prevention
Security
- ACL (Access Control Lists)
- DHCP Snooping
- Dynamic ARP Inspection
- IP Source Guard
- 802.1X authentication
- RADIUS and TACACS+ support
- DoS protection
- Port security and storm control
Management
- Embedded local web GUI
- CLI management
- GDMS Networking cloud management
- GWN Manager support
- SNMP support
- Switch stacking support
Physical
- Rackmount enterprise metal chassis
- Intelligent active cooling system
- Enterprise installation-ready design
Trusted by trade buyers
"CLI Secure has been our go-to for Fortinet hardware and renewals. Fast delivery and knowledgeable support every time."

"We ordered Grandstream phones for a full office rollout. The trade pricing and next-day delivery saved us both time and budget."

"Very professional IT networking supplier. Their pre-sales team helped us spec the right firewall for a multi-site deployment."

"Great stock availability on Hikvision cameras. Everything arrived well packaged and on time. Will order again."

Built for B2B buying
From product selection to deployment, this is made for real projects.
Get the hardware, licences and supporting kit you need without chasing multiple suppliers. CLI Secure helps trade buyers confirm fit, stock, delivery and project pricing before checkout.
Better buying value
Why trade buyers choose CLI Secure
- Trade and bulk pricing support
- Compatibility advice before purchase
- UK delivery options and account support
- Hardware, renewals and accessories in one place
- Limited project advice
- Unclear warranty or channel source
- Harder to quote bundles and renewals
- Separate suppliers for accessories
- Less flexible fulfilment for mixed baskets
- More admin for repeat trade orders
Why choose us
Procurement that feels fast, clear and trade-ready.
Every product page is designed to help you move from shortlist to checkout with fewer unknowns.
Verified buyer feedback
Trusted by installers, resellers and IT teams.
CLI Secure helped us confirm the right supporting accessories and saved us a return. Good trade service.
Keith D.Reliable fulfilment for security hardware and renewals. The team understands what business buyers need.
Rania M.Common questions
Product and order FAQs
Can I request trade or bulk pricing?
Yes. For multi-unit, reseller or project orders, contact CLI Secure and our team can review the basket for trade pricing.
How quickly can this be delivered?
Available delivery options are shown at checkout. Many in-stock products support next-day or timed UK delivery.
Can you help confirm compatibility?
Yes. Share the existing setup, model numbers or project requirement and we can help confirm suitable hardware, licences or accessories.
Do you supply renewals and supporting accessories?
CLI Secure supplies hardware, renewals, licences and related accessories across networking, CCTV, VoIP and IT support categories.





