D-Link DMS-1250-12 12-Port Multi-Gigabit Smart Managed Switch
The D-Link DMS-1250-12 is a high-performance 12-port smart managed switch designed for small to medium businesses and enterprise access deployments. With 8x 2.5 Gigabit Ethernet ports, 2x 10GBASE-T ports, and 2x 10G SFP+ ports, this multi-gigabit switch eliminates network bottlenecks and delivers exceptional speed for Wi-Fi 6 access points, IP cameras, NAS devices, and high-bandwidth workstations. Built with advanced Layer 2+ features, centralised management options, and 6kV surge protection, the DMS-1250-12 provides a flexible, scalable solution that future-proofs your network infrastructure.
Why Choose the DMS-1250-12?
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Multi-Gigabit Performance: 8x 2.5GbE ports maximise Wi-Fi 6/6E throughput without requiring expensive network re-cabling
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High-Speed Uplinks: 2x 10GBASE-T copper ports and 2x 10G SFP+ fibre ports for flexible, high-speed connectivity to servers, storage, or core switches
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Layer 3 Lite Features: Advanced capabilities including VLANs, static routing, IGMP snooping, QoS, and link aggregation for intelligent traffic management
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6kV Surge Protection: Built-in surge protection on all 2.5G Ethernet ports safeguards your network from electrical spikes
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Centralised Management: Supports Web UI, CLI, SNMP, Nuclias Connect (free), and D-View 8 for simplified configuration and monitoring
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Lifetime Warranty: Backed by D-Link's lifetime warranty and over 39 years of networking expertise
Perfect for Modern Networks
The DMS-1250 Series is engineered to support the demanding requirements of today's bandwidth-intensive environments. Connect Wi-Fi 6 and Wi-Fi 7 access points to 2.5 Gbps ports and fully leverage their speed without network congestion. Deploy high-resolution IP surveillance cameras, digital signage, and creative workstations with confidence. The multi-gigabit Ethernet ports deliver seamless performance for streaming, data transfers, media creation, and IoT deployments across schools, offices, retail spaces, and multi-dwelling units.
Layer 2+ Smart Managed Features
Gain complete control over your network with comprehensive Layer 2+ capabilities designed for enterprise and SMB environments:
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VLANs: Segment traffic for improved security and performance with support for up to 4094 VLAN groups
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Static Routing: Enable inter-VLAN routing without the need for an external router
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IGMP and MLD Snooping: Optimise multicast traffic for IPTV, video conferencing, and streaming applications
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Link Aggregation (LACP): Increase bandwidth and redundancy with IEEE 802.3ad support
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Spanning Tree Protocol (STP): Prevent network loops and ensure high availability
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Quality of Service (QoS): Prioritise critical traffic such as VoIP and video for optimal performance
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Dual Firmware and Configuration: Maintain backup configurations for seamless upgrades and recovery
Advanced Security and Protection
Protect your network from unauthorised access and electrical hazards with robust security and protection features:
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802.1X Authentication: Port-based and host-based access control with RADIUS/TACACS+ support
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Access Control Lists (ACLs): Fine-grained traffic filtering to block unauthorised access
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DHCP Snooping: Prevent rogue DHCP servers from disrupting the network
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IP-MAC Binding: Bind IP and MAC addresses to specific ports for enhanced security
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D-Link Safeguard Engine: Protects against malicious traffic flooding and denial-of-service attacks
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6kV Surge Protection: All 2.5G access ports feature built-in surge protection to safeguard connected devices from electrical spikes
Flexible Management Options
The DMS-1250-12 supports a variety of management tools to suit different deployment scenarios and IT environments:
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Web-Based GUI: Intuitive interface for quick configuration and monitoring
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Command Line Interface (CLI): Full CLI access via console port for advanced administrators
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SNMP: Integrate with third-party network management systems for centralised asset management and monitoring
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D-Link Nuclias Connect: Free network controller for managing multiple D-Link devices with real-time monitoring and device discovery
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D-View 8: Comprehensive central network management platform for enterprise deployments
Port Configuration
- 8x 10/100/1000/2500BASE-T RJ-45 ports (auto-sensing, auto-MDI/MDIX)
- 2x 10/100/1000/2500/5000/10GBASE-T RJ-45 ports (ports 11-12)
- 2x 10G SFP+ fibre ports (1/10 Gbps, compatible with SFP and SFP+ transceivers)
- 1x RJ-45 console port for out-of-band management
What's in the Box
- DMS-1250-12 12-Port Multi-Gigabit Smart Managed Switch
- Power cord with retainer clip
- Rack-mount kit
- Console cable
- Quick installation guide
Full Specifications
Hardware
| Total Ports |
12 (8x 2.5GbE + 2x 10GbE + 2x 10G SFP+) |
| 2.5GbE Ports |
8x 10/100/1000/2500BASE-T RJ-45 |
| 10GbE Copper Ports |
2x 10/100/1000/2500/5000/10GBASE-T (ports 11-12) |
| 10G SFP+ Ports |
2x 10G SFP+ (1/10 Gbps) |
| Console Port |
1x RJ-45 |
| Switching Capacity |
120 Gbps |
| Packet Forwarding Rate |
89.29 Mpps |
| Packet Buffer |
12 Mbit |
| Jumbo Frame Size |
12 KB |
| MAC Address Table |
16,384 entries |
| VLAN Groups |
4,094 |
| IGMP Groups |
128 |
Layer 2 Features
| VLAN Support |
Port-based, 802.1Q tag-based, Voice VLAN, Auto Surveillance VLAN |
| Spanning Tree |
STP, RSTP, MSTP (IEEE 802.1D/802.1w/802.1s) |
| Link Aggregation |
IEEE 802.3ad LACP, up to 8 groups |
| Quality of Service |
802.1p, DSCP, ToS, WRR, Strict Priority |
| Multicast |
IGMP v1/v2/v3 snooping, MLD v1/v2 snooping |
| Port Mirroring |
Many-to-one, supports ingress and egress |
| Flow Control |
IEEE 802.3x (full-duplex) |
| Loopback Detection |
Yes |
| Cable Diagnostics |
Yes |
Layer 3 Features
| IPv4 Static Routing |
Yes, up to 32 routes |
| IPv6 Static Routing |
Yes |
| ARP |
Static and dynamic ARP entries |
| IPv6 Neighbor Discovery |
Yes |
Security
| 802.1X Authentication |
Port-based, host-based, RADIUS, TACACS+ |
| Access Control Lists |
MAC-based, IPv4/IPv6-based, time-based |
| Port Security |
MAC address binding, max MAC addresses per port |
| DHCP Snooping |
Yes |
| IP-MAC Binding |
Yes (IMPB) |
| DoS Protection |
D-Link Safeguard Engine |
| Storm Control |
Broadcast, multicast, unicast |
| ARP Spoofing Prevention |
Yes |
| Surge Protection |
6 kV on all 2.5G Ethernet ports |
Management
| Web Interface |
HTTPS, HTTP |
| CLI |
Telnet, SSH, Console |
| SNMP |
v1, v2c, v3 |
| RMON |
Groups 1, 2, 3, 9 |
| Firmware Upgrade |
HTTP, TFTP, dual image support |
| Configuration Backup |
TFTP, HTTP, dual configuration files |
| Syslog |
Yes |
| Network Management |
D-Link Nuclias Connect (free), D-View 8 |
| LLDP |
IEEE 802.1AB |
Physical
| Dimensions (W × D × H) |
440 × 210 × 44 mm |
| Weight |
Approx. 2.5 kg |
| Enclosure |
Metal, rack-mountable (19-inch, 1U) |
| Cooling |
Fanless design (silent operation) |
| LEDs |
Power, system, port status/activity, speed |
Power & Environment
| Input Voltage |
100-240 VAC, 50/60 Hz (auto-sensing) |
| Maximum Power Consumption |
30 W (typical) |
| Operating Temperature |
-5°C to 50°C |
| Storage Temperature |
-40°C to 70°C |
| Operating Humidity |
0% to 95% RH (non-condensing) |
| Heat Dissipation |
102.4 BTU/hr (max) |
Standards & Compliance
| IEEE Standards |
802.3, 802.3u, 802.3ab, 802.3z, 802.3ae, 802.3bz, 802.3an, 802.1Q, 802.1p, 802.1D, 802.1w, 802.1s, 802.1X, 802.1AB, 802.3ad, 802.3x, 802.3az |
| EMC Certifications |
CE Class A, FCC Class A, ISED Class A, VCCI Class A, RCM Class A, BSMI Class A |
| Safety Certifications |
IEC60950-1, IEC62368-1, UL/CSA62368-1, BSMI Class A |
Warranty
| Warranty Period |
Lifetime warranty (after registration) |
Specifications are sourced from the manufacturer product page and may be updated.
