Switch 24-port Gigabit 20X SFP ports + 4x SFP/base-T ports + 4x 10G SFP+ Stack/uplink ports

General 
• Interfaces
  • 20 SFP ports
  • 4 Combo 10/100/1000BASE-T/SFP ports
  • 2 SFP+ ports
• Optional Redundant Power Supply: DPS-500
• Console Port: RJ-45
• Management Port: 10/100BASE-T
• Alarm Port: 1
• SD Card Slot: 1 
 
Performance
• Switch Fabric: 88Gbps
• Packet Forwarding Rate: 65.47Mpps
• Packet Buffer Memory: 2MB
• MAC Address Table: 16K Entries
• IP v4/v6 Routing Table: 1K/512 Entries
• IP v4/v6 L3 Forwarding Table: 2K/1K Entries
• Jumbo Frame Size: 13000 bytes
 
PoE
PoE Standards: 
•  802.3af and 802.3at
PoE Power Budget:
•  370 watts
•  760 watts (with DPS-700 RPS)
 
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 entries 
• Flow Control
  • 802.3x Flow Control 
  • HOL Blocking Prevention 
• Jumbo Frames up to 13 Kbytes
• 802.3ad Link Aggregation
  • Max. 32 groups per device, 8 Gigabit ports per group 
• Spanning Tree Protocols
  • 802.1D STP
  • 802.1w RSTP
  • 802.1s MSTP
  • BDPU Filtering
  • Root Restriction
• Loopback Detection
• 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
• 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 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
• Assymetric 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
• Supports following actions for flows
  • Remark 802.1p Priority Tag
  • Remark TOS/DSCP Tag
  • Bandwidth Control
• 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
• Bandwidth Control
  • Port-based (Ingress/Egress, Min. Granularity 8Kbps)
  • Flow-based (Ingress/Egress, Min. Granularity 8Kbps)
• Three Color Marker
  • CIR/PIR minimum granularity: 8kbps
  • Two Rate Three Color Marker (trTCM), CBS/PBS
  • Single Rate Three Color Marker (srTCM), CBS/EBS
 
Access Control List (ACL) 
• 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
  • Supports up to 1.5K Ingress access rules
  • Time-based ACL
  • CPU Interface Filtering
 
Security
• SSH v2
• SSL v1/v2/v3
• 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
• DoS Attack 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
• TACACS+ Accounting
• RADIUS and TACACS authentication for switch access
• Four levels of User Account control
 
Green Features
• Compliant with RoHS
• Power Saving by Link Status
• Power Saving by Cable Length
• IEEE 802.3az Energy Efficient Ethernet (EEE)
 
Operation, Administration & Management (OAM)
• Cable Diagnostics
 
Management
• Web-based GUI
• Command Line Interface (CLI)
• Telnet Server
• Telnet Client
• TFTP Client
• ZModem
• SNMP v1/v2c/v3
• SNMP Traps
• System Log
• 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
• ICMPv6
 
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
• RFC1065, 1066, 1155, 1156, 2578 MIB Structure
• RFC 1215 MIB Traps Convention
• RFC1212 Concise MIB Definitions
• RFC1215 MIB Traps Convention
• RFC1157, 2571-2576 SNMP MIB
• RFC4022 MIB for TCP
• RFC4113 MIB for UDP
• RFC4293 IPv6 SNMP Mgmt Interface MIB
 
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
• 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 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
• RFC 854 Telnet
• RFC 951, 1542 BootP
 
Authentication Protocol (EAP)
• RFC 2571, 2572, 2573, 2574, SNMP
• IPv6 Ready Logo Phase 2
 
Enhanced Image (EI) Features 
L2 Features 
• Ethernet Ring Protection Switching (ERSP)
 
VLAN
• Double VLAN (Q-in-Q)
  • Port-based Q-in-Q
 
L3 Features
• Max. 16 IP Interfaces
• ARP Proxy
• IPv6 Neighbour Discovery (ND)
 
L3 Routing
• Static Route
  • 512 static routing entries for IPv4/IPv6
 
Access Control List (ACL)
• Supports up to 512 egress access rules
 
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
 
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
• sFlow
• PPPoE Circuit-ID Tag Insertion