D-Link DGS-3120-48PC User Manual
b u s i n e s s
xStack L2 Managed Stackable Gigabit Switches
DGS-3120
xStack L2 Managed Stackable Gigabit Switches
Flexible Choices
• 24, 48 10/100/1000Mbps
• 4 Gigabit copper/SFP uplinks
• Selectable software images provide
• 4 Gigabit copper/SFP uplinks
• Selectable software images provide
sophisticated feature set for your
environment.
environment.
• 802.3af and 802.3at Power Over
Ethernet support
1
High Bandwidth Physical/
Virtual Stacking
• 2 dedicated stacking ports per
switch
• Up to 40 Gbps Full-Duplex Stacking
Bandwidth
• Up to 6 units (288 Gigabit ports) per
stack
• Linear or Fault Tolerant Ring
Stacking Topology
• Virtual Stacking of up to 32 units
• Embedded D-Link SIM for
• Embedded D-Link SIM for
integration of all xStack switches
Reliability
• Redundant Power Supply (RPS)
support
• 802.1D/802.1w/802.1s Spanning
Tree
• Loopback Detection (LBD)
• Ethernet Ring Protection Switching
• Ethernet Ring Protection Switching
(ERPS)
Security
• Multi-Layer Access Control List (ACL)
• IP-MAC-Port Binding (IMPB)
• D-Link Safeguard Engine
• DHCP Server Screening
• BPDU Attack Protection
• ARP Spoofing Prevention
• IP-MAC-Port Binding (IMPB)
• D-Link Safeguard Engine
• DHCP Server Screening
• BPDU Attack Protection
• ARP Spoofing Prevention
AAA
• 802.1X
• Web-based Access Control (WAC)
• MAC-based Access Control (MAC)
• Compound Authentication
• Identity-driven Policies
• Microsoft® NAP support
• RADIUS Accounting
• Web-based Access Control (WAC)
• MAC-based Access Control (MAC)
• Compound Authentication
• Identity-driven Policies
• Microsoft® NAP support
• RADIUS Accounting
The 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-3120-24TC/48TC
provides 20 or 44 10/100/1000 Mbps Gigabit
Ethernet ports and 4 combo 1000BASE-T/SFP
Gigabit Ethernet ports. The DGS-3120-24PC/48PC
provides 24 or 48 10/100/1000 Mbps PoE Gigabit
Ethernet ports and 4 combo 1000BASE-T/SFP
Gigabit Ethernet ports. Each 10/100/1000 Mbps
port of DGS-3120-24PC/48PC supports 802.3af and
802.3at Power over Ethernet standard. The default
power budget is 370 Watts and can be expanded to
740 Watts with the DPS-700 RPS. The switches are
also equipped with an SD Card slot, allowing the
user to boot images and upload configuration files
directly from an SD Card. Furthermore, syslog files
can also be conveniently saved to a card.
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-3120-24TC/48TC
provides 20 or 44 10/100/1000 Mbps Gigabit
Ethernet ports and 4 combo 1000BASE-T/SFP
Gigabit Ethernet ports. The DGS-3120-24PC/48PC
provides 24 or 48 10/100/1000 Mbps PoE Gigabit
Ethernet ports and 4 combo 1000BASE-T/SFP
Gigabit Ethernet ports. Each 10/100/1000 Mbps
port of DGS-3120-24PC/48PC supports 802.3af and
802.3at Power over Ethernet standard. The default
power budget is 370 Watts and can be expanded to
740 Watts with the DPS-700 RPS. The switches are
also equipped with an SD Card slot, allowing the
user to boot images and upload configuration files
directly from an SD Card. Furthermore, syslog files
can also be conveniently saved to a card.
Standard and Enhanced Images
The DGS-3120 Series is available with two
different software images - Standard Image (SI)
and Enhanced Image (EI). The Standard Image
provides sophisticated features for campus, or
enterprise. It includes 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.
different software images - Standard Image (SI)
and Enhanced Image (EI). The Standard Image
provides sophisticated features for campus, or
enterprise. It includes 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 enterprise/campus
and customers who 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
802.1D Spanning Tree (STP), 802.1w Rapid Spanning
Tree (RSTP) and 802.1s Multiple Spanning Tree
(MSTP), Loopback Detection (LBD), and Broadcast
Storm Control, that enhance network resilience. The
G.8032 Ethernet Ring Protection Switching (ERPS)
function minimizes the recovery time to 50 ms.
For load sharing and redundancy backup in switch
cascading/server attachment configuration, the
DGS-3120 Series provides dynamic 802.3ad Link
Aggregation Port Trunking.
and customers who 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
802.1D Spanning Tree (STP), 802.1w Rapid Spanning
Tree (RSTP) and 802.1s Multiple Spanning Tree
(MSTP), Loopback Detection (LBD), and Broadcast
Storm Control, that enhance network resilience. The
G.8032 Ethernet Ring Protection Switching (ERPS)
function minimizes the recovery time to 50 ms.
For load sharing and redundancy backup in switch
cascading/server attachment configuration, the
DGS-3120 Series provides dynamic 802.3ad Link
Aggregation Port Trunking.
Comprehensive Security
The 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 prioritizes “CPU
interested” packets to prevent malicious traffic from
interrupting normal network flows, and to protect
switch operation.
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 prioritizes “CPU
interested” packets to prevent malicious traffic from
interrupting normal network flows, and to protect
switch operation.