D-Link Smart Managed Switches User Manual

D-Link Smart Managed Switches User Manual

Smart Managed Switches

Features

Green Technology

Link status detection

  • Port and LED shut-off
  • System hibernation
  • Time-based PoE (PoE models only)Security Features
  • Access Control Lists (ACLs)
  • D-Link Safeguard Engine helps the CPU resist broadcast/multicast/unicast flooding
  • Port Security supports up to 64 MAC addresses per port
  • ARP Spoofing Prevention
  • IMPB SupportIntuitive Management
  • D-Link Network Assistant (DNA) utility
  • Multi-lingual Web UI
  • Built-in SNMP MIB for remote NMS (D-View 7.0)
  • Full command line support via console portAdvanced Features
  • Static routing
  • Surveillance Mode
  • Auto Voice VLAN
  • Dual software images
  • Dual configuration files
  • Embedded 6kV surge protection on all Gigabit Ethernet access ports

The D-Link DGS-1250 Series Smart Managed Switches are the latest generation of switches to provide increased Power over Ethernet (PoE) output, high port density, multiplemanagement 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. All DGS-1250 Series PoE switches include support for IEEE 802.3af/at and higher power budgets, allowing more PoE devices to be powered by the switch and for devices to be installed in remote locations without immediate access to power outlets. Furthermore, the DGS-1250-28XMP and DGS-1250-52XMP can supply PoE power up to 370 W providing even more power for connected devices.

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 handleddifferently 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 ARPspoofing 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 network down to the port level. The D-Link Network Assistant utility furthermore allows customers to easily discover multiple D-Link Smart Managed Switches within the same L2 network segment and display them onscreen 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.

6kV Surge Protection

The DGS-1250 Series switches feature built-in 6kV surge protection on all PoE and non-PoE Ethernet access ports. This helps protect the switches against sudden electrical surges such as lightning strikes or unstable electrical current. Built-in 6kV surge protection helps reduce the chances of equipment being damaged from electrical surges, and effectively lowers maintenance costs by minimizing the need for expensive equipment repairs or replacement.

Lifetime Warranty

D-Link offers a Lifetime Warranty and Next Business Day (NBD) hardware replacement for the DGS-1250 Series Smart Managed Switches to further itscommitment to product quality and long-term customer confidence.

Surveillance Topology Web Interface

D-Link Network Assistant (DNA)

    Technical Specifications
  Model Number
  • DGS-1250-28X-6KV
  •  DGS-1250-28XMP-6KV
  • DGS-1250-52X-6KV
  • DGS-1250-52XMP-6KV
  Hardware Version
  •     A1
  General
 

Interfaces
  •   24 x 10/100/1000BASE-T
  • 4 x 10G SFP+ ports
  • 24 x 10/100/1000BASE-T PoE
  • 4 x 10G SFP+ ports
  • 48 x 10/100/1000BASE-T
  • 4 x 10G SFP+ ports
  • 48 x 10/100/1000BASE-T PoE
  • 4 x 10G SFP+ ports
 

 

 

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
  • IEEE 802.3af/at
  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
  Performance
  Switching Capacity
  •  128 Gbps
  •  128 Gbps
  •  176 Gbps
  •   176 Gbps
  Transmission   Method
  • Store-and-forward
  MAC Address Table
  • 16K
  • 16K
  • 32K
  • 32K
  Static MAC   Addresses
  • 256 entries
  Maximum 64 Byte   Packet Forwarding   Rate
  •   95.24 Mpps
  •   95.24 Mpps
  •   130.95 Mpps
  •   130.95 Mpps
  Packet Buffer   Memory
  • 12 Mbits
  • 12 Mbits
  •  16 Mbits
  •  16 Mbits
  CPU Memory
  • 2G DDR3
  Flash Memory
  • 64 MB
  PoE
  PoE Standard
  •  IEEE 802.3af/at
  • IEEE 802.3af/at
  PoE Capable Ports
  •  24
  •  48
  PoE Power Budget
  • 370 W
  • 30 W per port
  • 370 W
  • 30 W per port
  LEDs
  Power (per device)                                                                      
  Link/Active/Speed   (per RJ-45 port)                                                                      
     Link/Active/Speed     (per 10G SFP+     port)                                                                      
  Physical
  Power Input
  • 100 to 240 V AC 50/60 Hz internal universal power supply
  Maximum Power   Consumption
  • 30.6 W/100 V
  • 29.6 W/240 V
  • PoE On:
  • 455.1 W/100 V
  • 431.5 W/240 V
  • PoE Off:
  • 38.6 W/100 V
  • 39.1 W/240 V
 •   51 W/100 V

•   51.2 W/240 V
  • PoE On:
  • 467.3 W/100 V
  • 443.6 W/240 V
  • PoE Off:
  • 56.4 W/100 V
  • 57.2 W/240 V
  Standby Power   Consumption
  • 8.7 W/100 V
  • 9.3 W/240 V
  • 18.5 W/100 V
  • 19 W/240 V
  • 23 W/100 V
  • 23.5 W/240 V
  • 27.8 W/100 V
  • 28.4 W/240 V
  Surge Protection
  • 6kV surge protection on all Ethernet access ports
 

Acoustics
  • Max: 47.6 dB(A)
  • Min: 33.2 dB(A)
  • Max: 50.8 dB(A)
  • Min: 42.0 dB(A)
  • Max: 50.7 dB(A)
  • Max: 39.0 dB(A)
  • Max: 51.2 dB(A)
  • Min: 43.0 dB(A)
  Heat Dissipation
  • 104.346 BTU/hr (100 V)
  • 100.936 BTU/hr (240 V)
  • 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)
  

  • 173.91 BTU/hr (100 V)
  • 74.592 BTU/hr (240 V)
  • PoE On:
  • 1593.493 BTU/hr (100 V)
  • 1512.676 BTU/hr (240 V)
  • PoE Off:
  • 192.324 BTU/hr (100 V)
  • 195.052 BTU/hr (240 V)
  MTBF
  • 743,482.45 hours
  • 463,430.16 hours
  • 589,984.72 hours
  • 309,053.10 hours
  Operating   Temperature
  • -5 to 50°C (23 to 122°F)
  Storage   Temperature
  • -20 to 70°C (-4 to 158°C)
  Operating              Humidity
  • 0% to 95% relative humidity
  Storage Humidity
  • 0% to 95% relative humidity
 

Dimensions (L x   W x H)
  • 440 x 140 x 44 mm (17.32 xb 5.51 x 1.73 in)
  •  440 x 250 x 44 mm (17.32 x 9.84 x 1.73 in)
  • 440 x 210 x 44 mm (17.32 x 8.27 x 1.73 in)
  • 440 x 250 x 44 mm (17.32 x 9.84 x 1.73 in)
  Weight
  • 1.75 kg (3.86 lbs)
  • 3.46 kg (7.63 lbs)
  • 3.01 kg (6.63 lbs)
  • 3.85 kg (8.49 lbs)
  Certifications
  Safety
  • CB, UL, BSMI, CCC
  EMI
  • CE Class A, VCCI Class A, FCC Class A, IC, BSMI
  Software
 

 

 

 

 

 

 

L2 Features
  • MAC Address Table                                                               • Spanning Tree
  • Protocol
  • 16K entries                                                                             • 802.1D STP
  • 32K entries (DGS-1250-52X/52XMP only)                          • 802.1W RSTP
  • IGMP Snooping                                                                    • 802.1s MSTP
  • IGMP v1/v2/v3 Snooping                                                    • Flow Control
  • Supports 256 IGMP groups                                                  • 802.3x Flow Control
  • Supports at least 64 static multicast addresses                       • HOL Blocking Prevention
  • IGMP per VLAN                                                                 • Port Mirroring
  • Supports IGMP Snooping Querier                                       • One-to-One
  • Loopback Detection                                                             • Many-to-One
  • 802.3ad Link Aggregation:                                                    • Supports Mirroring for Tx/Rx/Both
  • Supports maximum 8 groups per per device and 8 ports per • Multicast Filtering

group                                                                                      • Forwards all registered          groups

  • LLDP                                                                                      • Filters all unregistered groups
  • LLDP-MED                                                                            • Configurable MDI/MDIX
  • Jumbo Frame                                                                           • MLD snooping v1/v2 awareness (256 groups)
  • Up to 12,000 bytes                                                                  • PD-Alive
 

 

VLAN
  • 802.1Q
  • VLAN Group
  • Max. 4094 static VLAN groups
  • Configurable VID from 1 – 4094
  • Asymmetric VLAN
  • Auto Voice VLAN
  • Max. 10 user-defined OU
  • Max. 8 default OU
  • Auto Surveillance VLAN
 

 

 

 

Quality of Service   (QoS)
  • 802.1p Quality of Service
  • 8 queues per por
  • 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, MAC, and 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 mas
  • 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 Preventio
  • 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
 

 

AAA
  • 802.1X Authentication
  • Supports local/RADIUS database
  • Supports port-based access control
  • Supports host-based access control
  • Supports EAP, OTP, TLS, TTLS, PEAP
  • IPv6 RADIUS server
  • Support MD5 authentication
  • Max. 128 entries when using local database
  OAM
  • Cable diagnostics
  • Factory reset
 

 

 

 

 

Management
  •  Web-based GUI
  • D-Link Network Assistant
  • Full CLI
  • Telnet Server
  • TFTP Client
  • Configurable MDI/MDIX
  • SNMP
  • Supports v1/v2c/v3
  • SNMP Trap
  • Backup/upgrade firmware
  • Smart Wizard
  • Upload/download configuration file
  • BootP/DHCP Client
  • System Log
  • Max. 500 log entries
  • SNTP
  • 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:                                                                           • System hibernation
  • Link Status                                                                                    • Port shut off
  • Time-based PoE: PoE ports can be turned on/off by port or       • Cable length detection system through schedule
 

 

 

 

MIBs
  • RFC1212 Concise MIB Definitions                                                         • RFC2674 802.1p MIB
  • RFC1213 MIBII                                                                                        • Interface Group MIB
  • RFC1215 MIB Traps Convention                                                             • RFC2618 RADIUS Authentication Client MIB
  • RFC1493 Bridge MIB                                                                               • RFC4022 MIB for TCP
  • RFC1157, RFC2573, RFC2575, RFC2576 SNMP MIB                             • RFC4113 MIB for UDP
  • RFC1442, RFC1901, RFC1902, RFC1903, RFC1904, RFC1905,              • RFC2389 MIB for Diffserv.

RFC1906, RFC1907, RFC1908, RFC2578, RFC3418 SNMPv2 MIB              • RFC2620 RADIUS Accounting Client MIB

  • RFC271, RFC1757, RFC2819 RMON MIB                                              • Private MIB
  • RFC2021 RMONv2 MIB                                                                         • PoE MIB
  • RFC1398, RFC1643, RFC1650, RFC2358, RFC2665 Ether-like MIB      • DDP MIB
  • LLDP-MED MIB
 

 

 

RFC Standards
  • RFC791 IP                                                                                  • RFC2573 SNMP Applications
  • RFC768 UDP                                                                              • RFC2461, RFC4861 Neighbor Discovery for IPv6
  • RFC793 TCP                                                                               • RFC2462, RFC4862 IPv6 Stateless Address Auto-configuration
  • RFC792 ICMPv4                                                                             (SLAAC)
  • RFC2463, RFC4443 ICMPv6                                                       • RFC2464 IPv6 over Ethernet and definition
  • RFC826 ARP                                                                             • RFC4291 IPv6 Addressing Architecture
  • RFC1321, RFC2284, RFC2865, RFC2716, RFC3580 Extensibl  • RFC2893, RFC4213 IPv4/IPv6 dual stack function Authentication Protocol (EAP)
  Order Information
  DGS-1250-28X-           6KV   24 Ports 10/100/1000 Mbps + 4 Ports 10G SFP+ Smart Managed Switch
  DGS-1250-28XMP-    6KV   24 Ports 10/100/1000 Mbps PoE + 4 Ports 10G SFP+ Smart Managed Switch
  DGS-1250-52X-         6KV   48 Ports 10/100/1000 Mbps + 4 Ports 10G SFP+ Smart Managed Switch
  DGS-1250-52XMP-    6KV   48 Ports 10/100/1000 Mbps PoE + 4 Ports 10G SFP+ Smart Managed Switch
  Optional SFP Transceivers
  DGS-712   1000BASE-T copper
  DEM-310GT   1000BASE-LX, single-mode, 10 km
  DEM-311GT   1000BASE-SX, multi-mode, 550 m
  Optional SFP+ Transceivers
  DEM-410T   10GBASE-T SFP+ transceiver, 100 m
  DEM-431XT   10GBASE-SR SFP+ transceiver (without DDM), 33 m: OM1 MMF, 82 m: OM2 MMF, 300 m: OM3    MMF
   DEM-432XT   10GBASE-LR SFP+ transceiver (without DDM), 10 km

For more information

 

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