SPECIFICATION

General

Interfaces

• 20 10/100/1000BASE-T
• 4 Combo 10/100/1000BASE-T/SFP
• 2 10G CX4

Optional Redundant Power Supply

• DPS-200

Console Port

• RJ-45

Stacking Port

• 2

SD Card Slot

• 1

Performance

Switching Capacity 

• 88 Gps

64-Byte Packet Forwarding Rate

• 65.48 Mbps

Packet Buffer Memory

• 2 MB

Flash Memory

• 32 MB

PoE

• (DGS-3120-24PC and DGS-3120-48PC only)

Standards

• 802.3af and 802.3at

Power Budget

• 370 watts
• 740 watts (with DPS-700 RPS)

Physical & Environment

MTBF (Hours) 

• 561,829 Hours

Acoustics

• Max: 44.2db; Min: 28.1db

Heat Dissipation

• 138.11 BTU/h

Power Input

• 100 to 240 VAC, 50 to 60 Hz Internal Universal Power Supply

Max Power Consumption

• 40.5 Watts (with 370W PoE load), 970.8 Watts (with 740W PoE load)

Dimensions (W x D x H)

• 17.3” x 8.27” x 1.73” (440 x 210 x 44mm)

Weight

• 5.64lbs (2559g)

Ventilation

• 2 Smart Fans ( > 40° C: High Speed; < 35° C: Low Speed)

Operating Temperature

• 32° to 122°F (0 to 50 °C)

Storage Temperature

• -40° to 158° F (-40 to 70 °C)

Operating Humidity

• 10% to 90% RH

Storage Humidity

• 5% to 90% RH

Emission (EMI)

• FCC Class A, CE Class A, VCCI Class A, IC, C-Tick

Safety

• CB, cUL, LVD

Certification

• IPv6 Ready Logo Phase 2

Software Features

Standard Image (SI) Features 

Stackability

• Physical Stacking
• Up to 40G Stacking Bandwidth
• Up to 6 units per Stack
• Virtual Stacking
• D-Link Single IP Management (SIM)
• Up to 32 units per Virtual Stack

L2 Features

• MAC Address Table: 16K
• Flow Control
• 802.3x Flow Control
• HOL Blocking Prevention
• Jumbo Frame up to 13K Bytes
• Spanning Tree Protocols
• 802.1D STP
• 802.1w RSTP
• 802.1s MSTP
• BPDU Filtering
• Root Restriction
• Loopback Detection
• 802.3ad Link Aggregation
• Max. 32 groups per device/8 Gigabit ports per group
• Port Mirroring
• One-to-One
• Many-to-One
• Flow-based
• RSPAN Mirroring

L2 Multicasting

• IGMP Snooping
• IGMP v1/v2/v3 Snooping
• Supports 1024 IGMP groups
• Port/Host-based IGMP Snooping Fast Leave
• IGMP Snooping Querier
• Limited IP Multicast
• Up to 24 IGMP filtering profiles, 32 ranges per profile
• MLD Snooping
• MLD v1/v2 Snooping
• Support 1024 MLD Groups
• Host-based MLD
• MLD Snooping Querier
• Snooping Fast Leave

VLAN

• VLAN Group
• Max. 4K VLAN Groups
• GVRP
• Max. 255 Dynamic VLAN Groups
• 802.1Q Tagged VLAN
• Port-based VLAN
• 802.1v Protocol VLAN
• Voice VLAN
• MAC-based VLAN
• ISM VLAN
• Asymmetric VLAN
• Private VLAN
• VLAN Trunking

QoS (Quality of Service)

• 802.1p
• 8 queues per port
• Queue Handling
• Strict Priority
• Weighted Round Robin (WRR)
• Strict + WRR
• CoS based on
• Switch Port
• VLAN ID
• 802.1p Priority Queues
• MAC Address
• IPv4 Address
• DSCP
• Protocol Type
• TCP/UDP Port
• User-Defined Packet Content
• IPv6 Address
• IPv6 Traffic Class
• IPv6 Flow Label
• Supports following actions for flows
• Remark 802.1p Priority Tag
• Remark TOS/DSCP Tag
• Bandwidth Control
• Bandwidth Control
• Port-based (Ingress/Egress, Min. Granularity 64 Kbps)
• Flow-based (Ingress/Egress, Min. Granularity 64 Kbps)

Access Control List (ACL)

• Supports up to 1.5K Ingress access rules
• ACL based on
• 802.1p Priority
• VLAN ID
• MAC Address
• Ether Type
• IPv4 Address
• DSCP
• Protocol Type
• TCP/UDP Port Number
• User-Defined Packet Content
• IPv6 Address
• IPv6 Flow Label
• IPv6 Traffic Class
• Time-based ACL
• CPU Interface Filtering

Security

• SSH v2
• SSL v1/v2/v3 (for WebGUI)
• Port Security
• Up to 64 MAC addresses per port/VLAN
• Broadcast/Multicast/Unicast Storm Control
• Traffic Segmentation
• D-Link Safeguard Engine
• NetBIOS/NetBEUI Filtering
• DHCP Server Screening
• ARP Spoofing Prevention
• BPDU Attack Protection

AAA

• 802.1X:
• Port-based Access Control
• Host-based Access Control
• Identity-driven Policy (VLAN, ACL or QoS) Assignment
• Authentication Database Failover
• Web-based Access Control(WAC):
• Port-based Access Control
• Host-based Access Control
• Identity-driven Policy (VLAN, ACL or QoS) Assignment
• Authentication Database Failover
• MAC-based Access Control(MAC):
• Port-based Access Control
• Host-based Access Control
• Identity-driven Policy (VLAN, ACL or QoS) Assignment
• Authentication Database Failover
• Japan Web-based Access Control (Host-based JWAC)
• Guest VLAN
• Microsoft® NAP
• Support 802.1X NAP
• Support DHCP NAP
• RADIUS Accounting
• RADIUS and TACACS authentication for switch access
• 4 Level User Account

D-Link Green Features

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

Operation, Administration & Management (OAM)

• Cable Diagnostics

Management

• Web-based GUI (Supports IPv4)
• Command Line Interface (CLI)
• Telnet Server (Supports IPv4)
• Telnet Client (Supports IPv4)
• SSH Server (Supports IP44)
• TFTP Client(Supports IPv4)
• ZModem
• SNMP v1/v2c/v3
• SNMP Traps
• System Log (Supports IPv4 Log Server)
• RMON v1
• Supports 1,2,3,9 groups
• RMON v2
• Supports ProbeConfig group
• LLDP
• BootP/DHCP Client
• DHCP Auto-Configuration
• DHCP Relay
• DHCP Relay Option 12
• DHCP Relay Option 82
• Flash File System
• Multiple Images
• Multiple Configurations
• CPU Monitoring
• Debug Command
• SNTP
• Password Recovery
• Password Encryption
• Trusted Host
• Microsoft® NLB (Network Load Balancing) Support

MIB

• RFC 1213 MIB II
• RFC 4188 Bridge MIB
• RFC 1157, 2571-2576 SNMP MIB
• RFC 1907 SNMPv2 MIB
• RFC 1757, 2819 RMON MIB
• RFC 2021 RMONv2 MIB
• RFC 1398, 1643, 1650, 2358, 2665 Ether-like MIB
• RFC 2674 802.1p MIB
• RFC 2233, 2863 IF MIB
• RFC 2618 RADIUS Authentication Client MIB
• RFC 2620 RADIUS Accounting Client MIB
• RFC 2925 PING & TRACEROUTE MIB
• RFC 2674, 4363 802.1p MIB
• RFC 1215 MIB Traps Convention 

RFC Standard Compliance

• RFC 768 UDP
• RFC 791 IP
• RFC 792, 2463, 4443 ICMP
• RFC 793 TCP
• RFC 826 ARP
• RFC 3513, 4291, IPv6 Addressing Architecture
• RFC 2893, 4213 IPv4/IPv6 dual stack function
• RFC 2463, 4443 ICMPv6
• RFC 2462, 4862 IPv6 Stateless Address Auto Configuration
• RFC 2464 IPv6 Ethernet and definition
• RFC 1981 Path MTU Discovery for IPv6
• RFC 2460 IPv6
• RFC 2461, 4861 Neighbor Discovery for IPv6
• RFC 783 TFTP
• RFC 854 Telnet
• RFC 951, 1542 BootP
• RFC 2068 HTTP
• RFC 1492 TACACS
• RFC 2866 RADIUS Accounting
• RFC 2474, 3260 DiffServ
• RFC 1321, 2284, 2865, 3580, 3748 Extensible Authentication Protocol(EAP)
• RFC 2571, 2572, 2573, 2574, SNMP
• IPv6 Ready Logo Phase 2

Enhanced Image (EI) Features

• (includes support for all Standard Image (SI) features, plus the following)

L2 Features

• Double VLAN (Q-in-Q)
• Port-based Q-in-Q
• Ethernet Ring Protection Switching (ERPS)

L3 Features

• Max. 16 IP Interfaces
• ARP Proxy6
• IPv6 Neighbour Discovery (ND)
• L3 Routing
• Max. 16 IP Interfaces
• ARP Proxy
• IPv6 Neighbor Discovery (ND)
• Static Route
• 512 static routes

Access Control List (ACL)

• Supports up to 512 Egress access rules
• ACLs support IPv4/IPv6

Security

• IP-MAC-Port Binding
• ARP Packet Inspection
• IP Packet Inspection
• DHCP Snooping
• IPv6 ND Snooping
• Support up to 510 Address Binding Entries per Device

AAA

• Compound Authentication
• WAC IPv6
• JWAC IPv6
• Operation, Administration & Management (OAM)
• 802.3ah Ethernet Link OAM
• 802.3ah D-Link Extension: D-link Unidirectional Link Detection (DULD)
• 802.1ag Connectivity Fault Management (CFM)
• ITU-T Y.1731

Management

• SNMP v1/v2c/v3
• SNMP over IPv6
• SSH CLI IPv6
• Syslog IPv6
• sFlow v5
• PPPoE Circuit ID Tag Insertion
• Telnet Server/Client IPv6
• TFTP IPv6