Technical Specifications

Interfaces

• 10/100/1000BASE-T Ports
• 20 (DGS-3620-28TC, DGS-3620-28PC)
• 48 (DGS-3620-52T, DGS-3620-52P)

• Gigabit SFP Ports
• 20 (DGS-3620-28SC)

• Combo 10/100/1000BASE-T/SFP Ports
• 4 (DGS-3620-28TC, DGS-3620-28SC, DGS-3620-28PC)

• 10 Gigabit SFP+ Ports
• 4 (all models)

• Console Ports
• RJ45 (RS-232) (all models)

Physical Stacking

• Installable SFP+ Transceivers and Direct Attach Copper (DAC) Cables
• DEM-431XT-DD
• DEM-432XT-DD
• DEM-435XT-DD
• DEM-CB100S
• DEM-CB300S
• DEM-CB700S

• Max Number of Stacking Ports Installable
• 2 SFP+

• Stacking Speed (Per Port)
• 20 Gbps (Full-Duplex)

• No. of Units Per Stack
• 12

PoE

• PoE Ports
• 24 (DGS-3620-28PC)
• 48 (DGS-3620-52P)

• PoE Budget
• 370W (740W with DPS-700) (DGS-3620-28PC, DGS-3620-52P)

• 802.3af (PoE)
• Yes (DGS-3620-28PC, DGS-3620-52P)

• 802.3at (PoE+)
• Yes (DGS-3620-28PC, DGS-3620-52P)

Performance

• Switching Capacity
• 128Gbps (DGS-3620-28TC, DGS-3620-28SC, DGS-3620-28PC)
• 176Gbps (DGS-3620-52T, DGS-3620-52P)

• Packet Forwarding Rate
• 95.24Mpps (DGS-3620-28TC, DGS-3620-28SC, DGS-3620-28PC)
• 130.95Mpps (DGS-3620-52T, DGS-3620-52P)

• Packet Buffer
• 2 MB

• MAC Address Table
• 32K Entries

• IPv4/v6 Routing Table
• 12K Entries

• IPv6 Routing Table
• 6K Entries

• IPv4 Host Table
• 8K Entries

• IPv6 Host Table
• 4K Entries

• Jumbo Frame Size
• 13K Bytes

Power Supply

• Interfaces
• 100 to 120 V AC, 200 to 240 V AC, 50/60 Hz, Internal Power Supply

• Optional Redundant Power Supply
• DPS-500 (DGS-3620-28TC, DGS-3620-28SC, DGS-3620-52T)
• DPS-700 (DGS-3620-28PC, DGS-3620-52P)

Software Features

Stackability

• Physical Stacking
• Up to 40G Stacking Bandwidth
• Up to 12 units per Stack
• Virtual Stacking
• D-Link Single IP Management (SIM)
• Up to 32 units per Virtual Stack

L2 Features

• MAC Address Table: 32K
• Flow Control
• 802.3x Flow Control
• HOL Blocking Prevention
• Jumbo Frames up to 13000 bytes
• IGMP snooping
• IGMP v1/v2/v3 Snooping
• Supports 1K groups
• Port/Host-based
• IGMP Snooping Fast Leave
• MLD Snooping
• MLD v1 Snooping
• Supports 1K groups
• Host-based MLD Snooping Fast Leave
• Spanning Tree
• 802.1D-2004 STP
• 802.1w RSTP
• 802.1Q-2005 MSTP
• BPDU filtering
• Root Restriction
• Loopback Detection
• 802.3ad Link Aggregation
• Max. 32 groups per device
• 8 Gigabit ports or 2 10-Gigabit ports per group
• Port Mirroring
• Supports 4 Mirroring Groups
• Supports One-to-One, Many-to-One, Flow-based, and RSPAN mirroring
• L2 Protocol Tunneling
• ERPS (Ethernet Ring Protection Switching)

VLAN

• 802.1Q
• Total 4K VLAN Groups
• Maximum 255 Dynamic VLAN Groups
• GVRP
• MAC - Based VLAN
• VLAN Trunking
• Double VLAN (Q-in-Q)
• Port-based Q-in-Q
• Selective Q-in-Q
• Super VLAN
• Asymmetric VLAN
• 802.1v
• Voice VLAN
• D-Link Intelligent Port Management
• ISM VLAN
• Private VLAN
• Subnet-based VLAN

QoS (Quality of Service)

• Per Port Bandwidth Control (Granularity of 64Kbits per Second)
• Per Flow Bandwidth Control (Granularity of 64Kbits per Second)
• 802.1p Priority Queues (8 Queues)
• Queue Handling Mode Support: WRR and Strict Modes
• CoS Based On:
• Switch Port
• VLAN ID
• 802.1p Priority Queues
• MAC Address
• IPv4/v6 Address
• DSCP
• Protocol Type
• IPv6 Traffic Class
• IPv6 Flow Label
• TCP/UDP Port
• User-Defined Packet Content
• Remark 802.1 Priority Tag
• Remark TOS/DSCP Tag
• Flow Statistics
• Committed Information Rate (CIR) min. granularity 1Kbps
• Bandwidth Control
• Port-based (Ingress/Egress, min. granularity 64 Kbps)
• Flow-based (Ingress, min. granularity 64 Kbps)
• Time-based QoS

L3 Features

• L3 Routing
• Up to 12K entries (all route entries combined)
• Up to 256 IPv4 static route entries
• Up to 128 IPv6 static route entries
• Up to 12K IPv4 dynamic route entries
• Up to 6K IPv6 dynamic route entries
• Floating Static Route
• IPv4 Floating Static Route
• IPv6 Floating Static Route
• Policy Based Route
• Multiple IP Interfaces per VLAN (Up to 5)
• Multi Path Routing Supporting Equal Cost (EC) and Weighted Cost (WC)
• VRRP
• IPv6 Ready Phase 1/2
• IGMP v1, v2, v3
• Per Port Limit IP Multicast Address Range for Control Packet
• L3 Forwarding
• Up to 8K IPv4 Forwarding Entries
• Up to 4K IPv6 Forwarding Entries
• Up to 8K Entries (all L3 Hardware Forwarding Entries Combined)
• OSPF
• OSPF v2
• OSPF Passive Interface
• OSPF NSSA (Not So Stubby Area)
• OSPF Equal Cost Route
• RIP v1, v2
• Up to 256 IP Interfaces
• Multicast
• Up to 64 Static Multicast Groups
• Up to 2K Dynamic Multicast Groups
• Safeguard Engine™ Multicast Groups Combined)
• Multicast Duplication (Up to 32 VLAN per Port)
• PIM-DM/SM/SDM for IPv4
• IPv6 Tunneling
• Static
• ISATAP
• GRE
• G to 4
• Proxy ARP
• Gratuitous ARP
• PIM-SMv6
• PIM SSM
• Time Based PoE (PoE Models Only)
• Policy Based Route
• BFD (Bidirectional Forwarding Detection)

ACL (Access Control List)

• Ingress ACL: support up to 6 profiles and 256 rules per profile
• Egress ACL: support up to 4 profiles and 128 rules per profile
• ACL based on
• 802.1p Priority
• VLAN ID
• MAC Address
• Ether Type
• IPv4/v6 Address
• DSCP
• Protocol Type
• TCP/UDP Port Number
• IPv6 Traffic Class
• IPv6 Flow Label
• User-defined Packet Content
• ACL Statistics
• Time-based ACL

Security

• RADIUS Authentication for Management Access (RFC 2138, 2139)
• SSH v2
• SSL v1/v2/v3
• Web-based Access Control
• MAC-based Access Control
• Japan Web-based Access Control (JWAC)
• 802.1x Port-based/MAC-based Access Control
• Traffic Segmentation
• D-Link Safeguard Engine
• Support Microsoft® Network Access Protection
• TACACS+ Authentication for Management Access (RFC 492)
• Port Security (Up to 16 MAC Addresses per Port)
• Guest VLAN
• Broadcast Storm Control (Minimum Granularity of 1 PPS)
• IP-MAC-Port Binding (Up to 500 Entries per Device) supporting ARP/ACL/DHCP Snooping Modes
• DHCP Server Screening
• CPU Interface Filtering
• ARP Spoofing Prevention
• BPDU Attack Protection

AAA

• 802.1X
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignment
• Web-based Access Control (WAC)
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignment
• MAC-based Access Control (MAC)
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignment
• Japan Web-based Access Control (JWAC)
• Host-based Access Control
• Microsoft® NAP
• Supports 802.1X NAP
• Supports DHCP NAP
• Guest VLAN
• RADIUS and TACACS+ authentication for switch access
• 4-Level user account

OAM

• 802.3ah Ethernet Link OAM
• 802.3ah D-Link Extension: D-Link Unidirectional Link Detection (DULD)
• IEEE1588 Precision Time Protocol (PTP)

Management

• Single IP Management v1.6
• CLI
• Telnet Server
• Telnet Client
• SNMP v1, v2c, v3
• SNMP Trap on MAC Notification
• BootP/DHCP Client
• System Log
• Trap/Alarm/Log Severity Control
• Flash File System
• CPU Monitoring via Web, CLI, SNMP
• Web-based GUI
• Web GUI Traffic Monitoring
• TFTP Client
• RMON v1, v2
• sFlow
• DHCP Auto-Configuration
• DHCP Relay Option 82
• DHCP Relay Option 60 & 61
• DHCP Server
• Dual Image
• Dual Configuration
• LLDP, LLDP-Med
• DHCPv6 Client
• DHCPv6 Relay
• DHCPv6 Server
• Cable Diagnotics
• SNTP
• ICMPv6
• Trusted Host
• MTU Setting
• NLB (Network Load Balancing)
• Optical Transceiver Digital Diagnostic Monitoring (DDM)

MIB/ IETF Standards

• RFC1213 MIB-II
• RFC1493 Bridge MIB
• RFC1907 SNMPv2 MIB
• RFC2571~2576 SNMP MIB
• RFC1271, 2819 RMON MIB
• RFC2021 RMON v2 MIB
• RFC2665 Ether-like MIB
• RFC2668 MAU MIB
• RFC2674 802.1p MIB
• RFC2233, 2863 IF MIB
• RFC2618 RADIUS Authentication Client MIB
• RFC1724 RIP v2 MIB
• RFC1850 OSPF v2 MIB
• RFC2096 IP Forwarding Table MIB (CIDR)
• RFC2787 VRRP MIB
• RFC2932 IPv4 Multicast Routing MIB
• RFC2934 PIM MIB for IPv4
• RFC2620 RADIUS Accounting Client MIB
• RFC2933 IGMP MIB
• Ping MIB
• Traceroute MIB
• D-Link Private MIB
• RFC768 UDP+ RFC783 TFTP
• RFC 791 IP
• RFC 792 ICMP
• RFC 793 TCP
• RFC 826 ARP
• RFC854 Telnet
• RFC951, 1542 BootP
• RFC2068 HTTP
• RFC2338 VRRP
• RFC2529, 3053, 3056 IPv6 Tunnel
• RFC2138 RADIUS
• RFC2139 RADIUS Accounting
• RFC1492 TACACS
• RFC3176 sFlow
• RFC2598 DiffServ Expedited Forwarding
• RFC2460 IPv6
• RFC4861 IPv6 Neighbor Discovery (ND)
• RFC4862 IPv6 Stateless Address Autoconfiguration
• RFC1981 IPv6 Path MTU Discovery
• RFC4213 IPv4/IPv6 Dual Stack

Enhanced Image (EI): Includes support for all Standard Image (SI) Features as well as the features below

L3 Features

• IPv6 Tunneling
• Static
• ISATAP
• GRE
• 6to4

L3 Routing

• RIPng (IPv6)
• OSPF
• OSPF V3 (IPV6)
• BGP v4

Multicasting

• PIM-SM v6
• DVMRP v3

OAM

• Cable Diagnostics
• 802.1ag Connectivity Fault Management (CFM)
• ITU-T Y.1731

Warranty Information

Warranty

• Lifetime

Ordering Information

Part Number and Description

DGS-3620-28TC/SI
• xStack 24-Port Layer 3 Switch with 4-Combo SFP, 4 10Gigabit SFP+, Standard Image

DGS-3620-28SC/SI
• xStack 24-Port Layer 3 SFP Switch with 4-Combo 1Gigabit Ports, 4 10Gigabit SFP+, Standard Image

DGS-3620-28PC/SI
• xStack 24-Port Layer 3 PoE+ Switch with 4 Combo SFP Ports, 4 10Gigabit SFP+, Standard Image

DGS-3620-52T/SI
• xStack 48-Port Layer 3 Switch with 4 10Gigabit SFP+ Ports, Standard Image

DGS-3620-52P/SI
• xStack 48-Port Layer 3 PoE+ Switch with 4 10Gigabit SFP+, Standard Image

DGS-3620-28TC-SE-LIC
• DGS-3620-28TC Standard Image (SI) to Enhanced Image (EI) License Upgrade

DGS-3620-28SC-SE-LIC
• DGS-3620-28SC Standard Image (SI) to Enhanced Image (EI) License Upgrade

DGS-3620-28PC-SE-LIC
• DGS-3620-28PC Standard Image (SI) to Enhanced Image (EI) License Upgrade

DGS-3620-52T-SE-LIC
• DGS-3620-52T Standard Image (SI) to Enhanced Image (EI) License Upgrade

DGS-3620-52P-SE-LIC
• DGS-3620-52P Standard Image (SI) to Enhanced Image (EI) License Upgrade

DPS-500
• Redundant Power Supply Unit (140 Watt RPSU)

DPS-700
• Redundant Power Supply Unit (589 Watt RPSU)

DEM-CB100S
• SFP+ Direct Attach Stacking Cable,1M

DEM-CB300S
• SFP+ Direct Attach Stacking Cable, 3M

DEM-CB700S
• SFP+ Direct Attach Stacking Cable, 7M

DEM-431XT-DD
• 10GBase-SR Transceiver, DDM, 80/300M

DEM-432XT-DD
• 10GBase-LR Transceiver, DDM, 10K

DEM-435XT-DD
• 10GBase-LRM Transceiver, DDM, 220M

DEM-310GT
• 1000Base-LX SFP Module, up to 10Km

DEM-311GT
• 1000Base-SX SFP Module, up to 550m

DEM-211
• 100Base-FX Multimode LC SFP Transceiver, up to 2Km