24 Ports 10/100/1000 Mbps PoE + 4 Ports 10G SFP+ L2 Managed Switch


The D-Link DGS-1250 Series L2 Managed Switches are the latest generation of switches to provide high port density, multiple management interfaces, and advanced Layer 2 features. With all of these features combined, the DGS-1250 Series provides a cost-efficient and flexible solution for expanding any business network.
Seamless Integration
The DGS-1250 Series includes a wide range of port and media types. All models in the DGS-1250 Series feature four 10G SFP+ ports, allowing you to choose the most suitable media type for your requirements.
Advanced Features
The DGS-1250 Series comes equipped with a complete lineup of L2 features, including IGMP snooping, port mirroring, Spanning Tree Protocol (STP), and Link Aggregation Control Protocol (LACP). The IEEE 802.3x Flow Control function allows servers to directly connect to the switch for fast, reliable data transfers. The DGS-1250 Series also supports advanced features such as static routing, which allow network administrators to divide the network into VLANs, increasing network efficiency. Network maintenance features include loopback detection and cable diagnostics. Loopback detection significantly speeds up troubleshooting by automatically detecting and shutting down switching loops. The cable diagnostics feature, designed primarily for administrators and customer service representatives, determines the cable quality and quickly discovers errors, allowing for swift diagnostics and maintenance.
Surveillance Mode
The DGS-1250 Series supports Auto Voice VLAN and Surveillance Mode, which allows voice and video traffic to be automatically identified and handled differently than regular network traffic. Auto Voice VLAN detects Voice over IP (VoIP) traffic and automatically segments it from the rest of the network, adding a layer of isolation and allowing Quality of Service (QoS) to be applied.
Surveillance Mode detects compatible ONVIF cameras and places them in a surveillance VLAN, allowing a single switch to be used for voice, video, and data, removing the need for dedicated hardware and reducing maintenance costs. Surveillance Mode also includes its own Web UI, making surveillance features easily accessible and simplifying management of your surveillance network.
Advanced Access Control
D-Link’s innovative Safeguard Engine helps to protect the switches against traffic flooding caused by malicious attacks. The DGS-1250 Series supports 802.1X port-based authentication, allowing clients to be authenticated through external RADIUS servers. The Access Control List (ACL) feature helps to enhance network security and helps to protect the internal IT network. The
DGS-1250 Series also features Address Resolution Protocol (ARP) spoofing prevention, which helps to provide protection from attacks on the network that could allow an intruder to sniff data frames, modify traffic, or bring traffic to a halt altogether by sending fake ARP messages. To help prevent ARP spoofing attacks, the switch uses packet control ACLs to block invalid packets
that contain fake ARP messages. The DHCP server screening filters DHCP replies on unauthorized ports to prevent them from being assigned an IP address.
Versatile Management
The DGS-1250 Series comes with the D-Link Network Assistant (DNA) utility that enables administrators to remotely control their networkdown to the port level. The D-Link Network Assistant utility furthermore allows customers to easily discover multiple D-Link
L2 Managed
Switches within the same L2 network segment and display them on-screen for instant access. With this utility, users do not need to change the IP address of their PC. This allows for simultaneous configuration and setup of all discovered devices, including password changes and firmware upgrades. The DGS-1250 Series supports Command Line Interface (CLI) through console port. SNMP is also supported which allows for the central management of network assets, remote configuration, and logging functions.

General features

• 24 x 10/100/1000BASE-T PoE
• 4 x 10G SFP+ ports
• Power
• Link/Activity/Speed (per port)
• PoE OK/PoE Fail (per PoE port)
• Console
• Fan Error
• PWR Max
Port Standards
• IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-FX 100 Mbps over fiber optic
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper)
• IEEE 802.3z 1000BASE-X 1 Gbps over fiber optic
• IEEE 802.3az Energy-Efficient Ethernet (EEE)
• IEEE 802.3x Flow Control
• IEEE 802.3ae 10 Gigabit Ethernet
Network Cables
• UTP Cat. 5, Cat. 5e (100 m max.)
Duplex Mode
• Full/Half-duplex for 10/100 Mbps
• Full-duplex for 1000 Mbps
Media Interface Exchange
• Auto MDI/MDIX adjustment for all twisted-pair ports
Switching Capacity
• 128 Gbps
Transmission Method
• Store-and-forward
MAC Address Table
• 16K
Static MAC Addresses
• 256 entries
Maximum 64 Byte Packet Forwarding Rate
• 95.24 Mpps
Packet Buffer Memory
• 12 Mbits
CPU Memory
• 256 MB DDR3
Flash Memory
• 64 MB
PoE Standard
• IEEE 802.3af/at
PoE Capable Ports
• 24
PoE Power Budget
• 370 W
• 30 W per port
L2 Features
• IGMP Snooping
  • IGMP v1/v2/v3 Snooping
  • Supports 256 IGMP groups
  • Supports at least 64 static multicast addresses
  • IGMP per VLAN
  • Supports IGMP Snooping Querier
• Loopback Detection
• 802.3ad Link Aggregation:
  • Supports maximum 8 groups per per device and 8 ports per group
• Jumbo Frame
  • Up to 12,000 bytes
• Spanning Tree Protocol
  • 802.1D STP
  • 802.1W RSTP
  • 802.1s MSTP
• Flow Control
  • 802.3x Flow Control
  • HOL Blocking Prevention
• Port Mirroring
  • One-to-One
  • Many-to-One
  • Supports Mirroring for Tx/Rx/Both
• Multicast Filtering
  • Forwards all registered groups
  • Filters all unregistered groups
• Configurable MDI/MDIX
  • MLD snooping v1/v2 awareness (256 groups)
• 802.1Q
• VLAN Group
  • Max. 4094 static VLAN groups
• Configurable VID from 1 - 4094
• Asymmetric VLAN
• Auto Voice VLAN
  • Max. 10 user-defined OUI
  • Max. 8 default OUI
• Auto Surveillance VLAN
Quality of Service (QoS)
• 802.1p Quality of Service
• 8 queues per port
• Queue Handling
  • Strict
  • Weighted Round Robin (WRR)
• Bandwidth Control
  • Port-based (ingress/egress, min granularity 10/100/1000 is 16 Kbps)
• QoS based on:
  • 802.1p priority queues
  • DSCP
  • MAC address
  • EtherType
  • IP address
  • Protocol type
  • ToS
  • IP preference
  • IPv6 Traffic Class
  • TCP/UDP port
L3 Features
• IP interface
  • Supports 4 interfaces
• IPv6 Neighbor Discovery (ND)
• Static routing
  • 124 IPv4 static route entries
  • 50 IPv6 static route entries
Access Control List (ACL)
• Max. 50 access lists
• Max. 768 rules shared by IPv4 and MAC (384 rules shared by IPv6)
• Each rule can only be associated with a single port
• ACL based on
  • MAC address
    - 802.1p priority mask
    - VID mask
    - Source/destination MAC address mask
    - EtherType mask
  • IP address
    - Source/destination IP address mask
    - DSCP mask
    - Protocol type mask
    - TCP/UDP port number mask
  • IPv6 address
    - Source/destination IP address mask
    - DSCP mask
    - Protocol type mask
    - TCP/UDP port number mask
    - IPv6 traffic class mask
Security Features
• Broadcast/Multicast/Unicast Storm Control
• D-Link Safeguard Engine
• Traffic segmentation
• SSH v2
• TLS v.1.2
• DoS attack prevention
• 802.1X Port-based Access Control
• Port Security
  • Supports up to 64 MAC addresses per port
• ARP Spoofing Prevention
  • Max. 127 entries
• DHCP Server Screening
• IP-MAC-Port Binding (Smart Binding)
  • ARP Inspection
    - Max. 64 entries
  • IPv4 Inspection
    - Max. 127 entries
  • IPv6 Inspection
    - Max. 63 entries
  • DHCP Snooping
    - Max. 512 entries
• 802.1X Authentication
  • Supports local/RADIUS database
  • Supports port-based access control
  • Supports EAP, OTP, TLS, TTLS, PEAP
  • Max. 128 entries when using local database
• IPv6 RADIUS server
• Support MD5 authentication
• Cable diagnostics 
• Factory reset
• Web-based GUI
• D-Link Network Assistant
• Full CLI
• Telnet Server
• TFTP Client
• Configurable MDI/MDIX
  • Supports v1/v2c/v3
• SNMP Trap
• Backup/upgrade firmware
• Smart Wizard
• Upload/download configuration file
• BootP/DHCP Client
• System Log
  • Max. 500 log entries
• ICMP v6
• IPv4/v6 Dual Stack
• DHCP Auto Configuration
• Time setting
  • SNTP
• RMONv1
• Trusted host
• Dual image
• Dual configuration
Green V3.0 Technology
• Power Saving by:
  • Link Status
  • Time-based PoE: PoE ports can be turned on/off by port or system through schedule 
  • System hibernation
  • Port shut off
  • Cable length detection
• RFC1212 Concise MIB Definitions
• RFC1215 MIB Traps Convention
• RFC1493 Bridge MIB
• RFC1157, RFC2573, RFC2575, RFC2576 SNMP MIB
• RFC1442, RFC1901, RFC1902, RFC1903, RFC1904, RFC1905,
• RFC1906, RFC1907, RFC1908, RFC2578, RFC3418 SNMPv2 MIB
• RFC271, RFC1757, RFC2819 RMON MIB
• RFC2021 RMONv2 MIB
• RFC1398, RFC1643, RFC1650, RFC2358, RFC2665 Ether-like MIB
• RFC2674 802.1p MIB
• Interface Group MIB
• RFC2618 RADIUS Authentication Client MIB
• RFC4022 MIB for TCP
• RFC4113 MIB for UDP
• RFC2389 MIB for Diffserv.
• RFC2620 RADIUS Accounting Client MIB
• Private MIB
RFC Standards
• RFC791 IP
• RFC768 UDP
• RFC793 TCP
• RFC792 ICMPv4
• RFC2463, RFC4443 ICMPv6
• RFC826 ARP
• RFC1321, RFC2284, RFC2865, RFC2716, RFC3580 Extensible
• Authentication Protocol (EAP)
• RFC2573 SNMP Applications
• RFC2461, RFC4861 Neighbor Discovery for IPv6
• RFC2462, RFC4862 IPv6 Stateless Address Auto-configuration (SLAAC)
• RFC2464 IPv6 over Ethernet and definition
• RFC4291 IPv6 Addressing Architecture
• RFC2893, RFC4213 IPv4/IPv6 dual stack function
Physical Parameters
Dimensions (L x W x H)
• 440 x 250 x 44 mm
• 3.46 kg
Power Input
• 100 to 240 V AC 50/60 Hz internal universal power supply
Maximum Power Consumption
• PoE On:
  • 455.1 W/100 V
  • 431.5 W/240 V
• PoE Off:
  • 38.6 W/100 V
  • 39.1 W/240 V
Standby Power Consumption
• 18.5 W/100 V
• 19 W/240 V
• Max: 50.8 dB(A)
• Min: 42.0 dB(A)
Heat Dissipation
• PoE On:
  • 1551.891 BTU/hr (100 V)
  • 1471.415 BTU/hr (240 V
• PoE Off:
  • 131.626 BTU/hr (100 V)
  • 133.331 BTU/hr (240 V)
• 463,430.16 hours
• Operating: -5 to 50 °C
• Storage: -20 to 70  °C
• Operating: 0% to 95% non-condensing
• Storage: 0% to 95% non-condensing
• CE Class A, VCCI Class A, FCC Class A, IC, BSMI


Order info

DGS-1250-28XMP  24 Ports 10/100/1000 Mbps PoE + 4 Ports 10G SFP+ L2 Managed Switch


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