28-port Stackable Gigabit PoE Switch incl. 2 SFP ports & 2 10GbE SFP+ ports, 193W PoE budget

PoE Standard

• IEEE 802.3af/at

PoE Capable Ports

• Ports 1 to 24: Up to 30 W

PoE Power Budget

• Max. 193 W

Power/Stacking ID/Fan Error/PoE Push Button (per device)

Link/Activity/Speed/PoE Mode (per 10/100/1000 Mbps port)

Link/Activity/Speed (per SFP port)

Link/Activity/Speed (per 10G SFP+ port)

Size

• 19” standard rack width, 1U height

Interfaces

• 24 x 10/100/1000 Mbps PoE
• 2 x Gigabit SFP
• 2 x 10G SFP+

Port Standards & Functions

• IEEE 802.3 10BASE-T Ethernet
• IEEE 802.3u 100BASE-TX Fast Ethernet
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet
• IEEE 802.3ae 10 Gigabit Ethernet
• IEEE 802.3x Flow Control for full-duplex mode, auto-negotiation

Network Cables

• UTP Cat. 5, Cat. 5e (100 m max.)
• EIA/TIA-568 100-ohm STP (100 m max.)

Duplex Mode

• Full/half-duplex for 10/100 Mbps and full-duplex for 1000 Mbps speed

Media Interface Exchange

• Auto or configurable MDI/MDIX

Switching Capacity

• 92 Gbps

Transmission Method

• Store-and-forward

MAC Address Table

• Up to 16,384 entries per device

MAC Address Update

• Up to 512 static MAC entries
• Enable/disable auto-learning of MAC addresses

Maximum Packet Forwarding Rate

• 68.45 Mpps

Packet Buffer Memory

• 1.5 MB per device

MTBF

• 275,428 hours

Flash Memory

• 32 MB

DRAM Size

• 256 MB

Certifications

• CE, FCC, C-Tick, VCCI, BSMI, CCC, IPv6 Ready Logo Phase 2

Stackability

• Virtual Stacking Support
  • D-Link Single IP Management (SIM)
  • Up to 20 G stacking bandwidth
  • Up to 32 devices per virtual stack
• Physical Stacking
  • Supports duplex chain/Ring topology
  • Up to 40 G stacking bandwidth full-duplex
  • Up to 6 units per stack

L2 Features

• MAC address table: Up to 16,384
• Flow Control
  • 802.3x Flow Control
  • HOL Blocking Prevention
• Jumbo Frame up to 9,216 Bytes
• IGMP Snooping
  • IGMP v1/v2/v3 Snooping
  • Supports 512 IGMP groups
  • Supports 128 static multicast addresses
  • IGMP per VLAN
  • Supports IGMP Snooping Querier
  • Host-based IGMP Snooping Fast Leave
• MLD Snooping
  • Supports MLD v1/v2
  • Supports 512 groups
  • Supports 128 static multicast addresses
  • Per VLAN MLD Snooping
  • Host-based MLD Fast Leave
  • MLD Snooping Querier
• Spanning Tree Protocol (STP)
  • 802.1D STP
  • 802.1w RSTP
  • 802.1s MSTP
• Loopback Detection v4.07
• 802.3ad Link Aggregation
  • Max. 32 groups per device/8 ports per group
• Port mirroring
  • Support 4 mirroring groups
  • One-to-one, many-to-one, flow-based (ACL) mirroring
• Multicast Filtering
  • Forwards all unregistered groups
  • Filters all unregistered groups
• Ethernet Ring Protection Switching (ERPS)

VLAN

• 802.1Q Tagged VLAN
• 4K VLAN Groups
• Configurable VID: 0-4094
• GVRP
• VLAN Wizard
• Asymmetric VLAN
• Auto Voice VLAN
• Auto Surveillance VLAN 2.1
• MAC-based VLAN
• Protocol-based VLA

Quality of Service (QoS)

• CoS based on
  • 802.1p priority
  • VLAN
  • MAC address
  • EtherType
  • IP address
  • DSCP
  • Protocol type
  • TCP/UDP port number
  • DSCP of IPv6 traffic class
  • IPv6 flow label
• 802.1p Quality of Service
• Queue Handling
  • Strict Priority Queue (SPQ)
  • Weighted Round Robin (WRR)
  • Deficit Round Robin (DRR)
  • SPQ + WRR
• 8 queues per port
• Bandwidth Control
  • Port-based (ingress/egress, min. granularity for
  10/100/1000BASE-T ports is 64 Kb/s)

L3 Features

• ARP
  • 256 Static ARP
  • Supports Gratuitous ARP
• IPv6 Neighbour Discovery (ND)
• 16 IP interfaces
• Default routing
• Static routing
  • 64 IPv4 static route entries
  • 32 IPv6 static route entries
• UDP helper

Access Control List (ACL)

• ACL based on
  • 802.1p priority
  • VLAN
  • MAC address
  • EtherType
  • IP address
  • DSCP
  • Protocol type
  • TCP/UDP port number
  • DSCP of IPv6 traffic class
  • IPv6 flow label
• ACL Actions
  • Permit
  • Deny
• Max. 256 access list
• Max. 768 rules
• Single or multiple ports (each rule)
• Time-based ACL
• ACL Statistics

Security

• Port Security
  • Supports up to 128 MAC addresses per port
• Broadcast/Multicast/Unicast Storm Control
• Dynamic ARP Inspection
• D-Link Safeguard Engine
• DHCP Server Screening
  • ARP Spoofing Prevention
  • Max. 64 entries
• SSH
  • Supports v2
  • Supports IPv4/IPv6
• BPDU Attack Protection
• DoS Attack Prevention
• SSL
  • Supports v1/v2/v3
  • Supports IPv4/IPv6
• Traffic Segmentation
• IP-MAC-Port Binding
  • DHCP snooping
  • IP Source Guard
  • Dynamic ARP Inspection
  • IPv6 DHCP Guard
  • IPv6 RA Guard
  • IPv6 Snooping
  • IPv6 Source Guard
  • IPv6 ND Inspection

AAA

• Compound Authentication
  • 802.1X port and MAC-based authentication
  • Supports RADIUS and local server
  • Supports EAP, OTP, TLS, TTLS, PEAP
• Web-based Access Control (WAC)
  • Port-based access control
  • Host-based access control
  • Dynamic VLAN assignment
• Guest VLAN
• RADIUS and TACACS+ authentication for switch access
• RADIUS and TACACS+ accounting
• MAC-based Access Control (MAC)
  • Port-based access control
  • Host-based access control
  • Dynamic VLAN assignment
• Japan Web-based Access Control (JWAC)
  • Port-based access control
  • Host-based access control
  • Dynamic VLAN assignment

OAM

• Cable Diagnostics
• sFlow
• Factory Rese

Management

• Command Line Interface (CLI)
• Telnet Server
• TFTP Client
• IPv6 Neighbor Discovery
• Configurable MDI/MDIX
• SNMP
  • Supports v1, v2c, v3
• SNMP Trap
• System Log
  • Max. 10,000 log entries
• Debug command
• Multiple images
• DHCP Server
• DHCP Client
• Surveillance mode
• D-Link Network Assistant support
• SNTP
• ICMPv6
• IPv4/v6 Dual Stack
• DHCP Auto Configuration
• RMON v1
• LLDP, LLDP-MED
• DHCP relay
• Web-based GUI
• NTP
• Telnet client (supports CLI only)
• PD-Alive (PoE models only)

D-Link Green 3.0 Technology

• Power saving by:
  • Link status
  • LED or port shut-off
  • System hibernation mode
  • Time-based PoE (PoE models only

AC Input

• 100 to 240 VAC 50/60 Hz internal universal power supply

Maximum Power Consumption

• 238.7 W (PoE on)
• 29 W (PoE off)

Standby Power Consumption

• 21 W

Fans

• 2 x smart fans

Acoustics

• 46.4 dB(A)

Heat Dissipation

• 813.97 BTU/hr

Operation Temperature

• -5 to 50 ˚C (23 to 122 ˚F)

Storage Temperature

• -20 to 70 ˚C (-4 to 158 ˚F)

Operation Humidity

• 0% to 95% non-condensing

Storage Humidity

• 0% to 95% non-condensing

Dimensions (W x D x H)

• 440 x 210 x 44 mm (17.36 x 8.26 x 1.73 in)

Weight

• 2.54 kg (5.60 lbs)

Safety

• cUL, CB