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Managed Gigabit Ethernet Switch

D-LINK Managed Gigabit Ethernet Switch

Varenr: DGS-3120-48PC/SI
Lagerstatus: Må bestilles, antatt 24.10.2016
Ekspertomtaler: 1 omtaler
Frakt: 79,- Sjekk din fraktpris
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15 144,-  inkl. mva
Fra 458,-/mnd (59 mnd)
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48-port xStack Layer 2 stackable PoE Gigabit switch

  • Complete new series of Layer 2 switches
  • Built-in 10GbE stacking ports
  • Stackable up to 6 units
  • 40 Gb stacking bandwidth
  • Up to 288 Gigabit ports in a single stack
  • Standard and Enhanced software images
  • PoE/PoE+ versions available
  • Ethernet Ring Protection System (ERPS)
  • Comprehensive security
  • Power-saving technology
  • IPv6 Ready
  • Easy to configure through a Web interface

D-Link's DGS-3120 xStack Series are enhanced L2 access stackable switches designed to connect end-users in a secure SMB or enterprise network. These switches support physical stacking, multicast and enhanced security, making them an ideal Gigabit access layer solution. The DGS-3120-48PC provides 48 PoE Gigabit ports and 4 combo SFP ports. This switch is also equipped with an SD Card slot, allowing the user to boot images and upload configuration files directly from an SD Card.

Standard and Enhanced Images

The DGS-3120 Series is embedded with two different software images -Standard Image (SI) and Enhanced Image (EI). The Standard Image provides sophisticated features for small and medium businesses, including advanced Quality of Service (QoS), traffic shaping, L2 multicasting, and robust security features. The Enhanced Image supports ERPS, Double VLAN (Q-in-Q), Ethernet OAM, Static Route, IMPB, sFlow, IPv6 features which are suitable for the next generation IPv6 networks or triple play applications in Metro Ethernet.

Enhanced Network Reliability

The DGS-3120 Series targets small and medium businesses that require a high level of network security and maximum uptime. All the models in DGS-3120 Series support an external redundant power supply so that continued operation can be assured. They also include other features, such as Spanning Tree, Rapid Spanning Tree and Multiple Spanning Tree, Loopback Detection, and Broadcast Storm Control, which enhance network resilience. The Ethernet Ring Protection Switching (ERPS) function minimises the recovery time in case of a loop failure. For load sharing and redundancy backup in switch cascading/server attachment configuration, the DGS-3120 Series provides dynamic port trunking.

Comprehensive Security

D-Link's DGS-3120 Series provides users with the latest security features such as Multi-layer and Packet Content Access Control Lists (ACL), Storm Control, and IP-MAC-Port Binding (IMPB) with DHCP Snooping. The IP-MAC-Port Binding feature allows administrators to bind a source IP address with an associated MAC and also define the port number to enhance user access control. With the DHCP Snooping feature, the switch automatically learns IP/MAC pairs by snooping DHCP packets and saving them to the IMPB white list. In addition, the D Link Safeguard Engine identifies and prioritises “CPU interested” packets to prevent malicious traffic from interrupting normal network flows, and to protect switch operation.

Identity Driven Network Policies

The DGS-3120 Series supports authentication mechanisms and security policies that can be applied individually to each connected host. In addition, the switch also supports Microsoft® NAP (Network Access Protection). NAP is a policy enforcement technology that allows administrators to protect network assets from unhealthy computers by enforcing compliance with network health policies.

Traffic Management for Triple Play

D-Link's DGS-3120 Series implements a rich set of multilayer QoS/CoS features to ensure that critical network services like VoIP, video conference, IPTV and IP surveillance are served with high priority. The Traffic Shaping features guarantee bandwidth of these services when the network is busy. With L2 Multicast support, the DGS-3120 shows its ability to handle growing IPTV applications.

Proactive, Effective Network Management

To uphold users’ Service Level Agreements (SLA), service providers must reduce the Mean Time to Repair (MTTR) and increaseservice availability. Ethernet OAM features address these challenges and enable service providers to offer carrier-grade services. The DGS-3120 Series supports industry-standard OAM tools, including IEEE 802.3ah, IEEE802.1ag, and ITU-T Y.1731. Connectivity Fault Management (CFM) provides tools to monitor and troubleshoot end-to-end Ethernet networks, allowing service providers to check connectivity, isolate network issues, and identify customers affected by network issues.

IPv6 Technology

The DGS-3120 Series is fully compliant with the future IPv6 networks. It supports IPv6-based security functions to protect the network from illegal IPv6 clients. The DGS-3120 Series has been certified with IPv6 Ready Logo Phase 2 from the IPv6 forum, a worldwide IPv6 advocacy consortium. The IPv6 Ready Logo Program provides conformance and interoperability of IPv6 products.


D-Link’s Single IP Management (SIM) simplifies and speeds up management tasks, allowing multiple switches to be configured, monitored and maintained from any workstation running a web browser through one unique IP address. This virtual stack is managed as a single object, having all units maintained by one IP address. The DGS-3120 Series also supports standard-based management protocols such and secure authentication.

D-Link Green Technology

D-Link is striving to take the lead in developing innovative and power-saving technology that does not sacrifice operational performance or functionality. The DGS-3120 Series implements the D-Link Green Technology, which includes a power saving mode, smart fan, reduced heat dissipation, and cable length detection. The power saving feature automatically powers down ports that have no link or link partner. The Smart Fan feature allows for the built-in fans to automatically turn on at a certain temperature, providing continuous, reliable and eco friendly operation of the switch.


  • Physical Stacking (up to 6 units per stack)
  • Virtual Stacking (up to 32 units per stack)
  • 2x 10GbE stacking ports

L2 Features

  • MAC Address Table: 16K
  • Flow Control
  • Jumbo Frame up to 13K Bytes
  • Spanning Tree Protocols
  • 802.1D STP
  • 802.1w RSTP
  • 802.1s MSTP
  • Ethernet Ring Protection Switching (ERPS) 1
  • Loopback Detection
  • 802.3ad Link Aggregation
  • Port Mirroring

L3 Features1

  • Max. 16 IP Interfaces
  • ARP Proxy
  • IPv6 Neighbour Discovery (ND)
  • 512 static routing entries for IPv4/IPv6

L2 Multicasting

  • IGMP Snooping
  • Limited IP Multicast
  • MLD Snooping


  • 4K VLAN Groups
  • GVRP
  • 802.1Q Tagged VLAN
  • Port-based VLAN
  • 802.1v Protocol VLAN
  • Voice VLAN
  • MAC-based VLAN
  • Asymmetric VLAN
  • Private VLAN
  • Double VLAN (Q-in-Q) 1

QoS (Quality of Service)

  • 802.1p
  • 8 queues per port
  • Bandwidth Control (port- and flow-based)

Access Control List (ACL)

  • Supports up to 1.5K Ingress access rules
  • Supports up to 512 Egress access rules 1
  • Time-based ACL
  • CPU Interface Filtering


  • SSH v2
  • SSL v1/v2/v3
  • Port Security
  • Broadcast/Multicast/Unicast Storm Control
  • Traffic Segmentation
  • D-Link Safeguard Engine
  • NetBIOS/NetBEUI Filtering
  • DHCP Server Screening
  • ARP Spoofing Prevention
  • BPDU Attack Protection
  • IP-MAC-Port Binding 1


  • 802.1X
  • Web-based Access Control (WAC)
  • MAC-based Access Control (MAC)
  • Compound Authentication 1
  • Guest VLAN
  • Microsoft® NAP
  • RADIUS Accounting
  • 4 Level User Account

D-Link Green Features

  • Compliant with RoHS
  • Power Saving by Link Status
  • Power Saving by Cable Length
  • Time-based PoE 2


  • Web-based GUI
  • Command Line Interface (CLI)
  • Telnet
  • TFTP
  • SNMP v1/v2c/v3
  • SNMP over IPv6 1
  • SNMP Traps
  • sFlow 1
  • ICMPv6 1
  • System Log
  • RMON v1, v2
  • LLDP
  • BootP/DHCP Client
  • DHCP Auto-Configuration
  • DHCP Relay
  • Multiple Images
  • Multiple Configurations
  • CPU Monitoring
  • Debug Command
  • SNTP

1 Enhanced Image feature
2 PoE models only

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