D-Link Switch 20x1000 + 4 x 1000Base-T/SFP combo + 4SFP+ Menedzselt Layer2+ Stack 802.3af/at/24 ports/370W

L2 Features

• MAC Address Table: 16K
• Flow Control
  • 802.3x Flow Control
  • HOL Blocking Prevention
• Jumbo Frames up to 13,000 bytes
• IGMP snooping
  • IGMP v1/v2/v3 Snooping
  • Supports 960 groups
  • Port/Host-based
  • IGMP Snooping Fast Leave
• MLD Snooping
  • MLD v1/v2 Snooping
  • Supports 480 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

• VLAN Group
  • Max. 4K Static VLAN Groups
  • Max. 255 Dynamic VLAN Groups
• 802.1Q Tagged VLAN
• 802.1v Protocol VLAN
• GVRP
• Double VLAN (Q-in-Q)
  • Port-based Q-in-Q
• MAC-based VLAN
• VLAN Trunking

L3 Features

• 256 IP interfaces
• Loopback interface
• IPv6 Tunneling
• Proxy ARP
• Gratuitous ARP
• VRRP¹

L3 Routing

• 1K routing entries shared by IPv4/v6
  • Max. 1K IPv4 routes
  • Max. 512 IPv6 routes
• 2K L3 forwarding entries shared by IPv4/v6
  • Max. 2K IPv4 entries
  • Max. 1K IPv6 entries
• 256 static routing entries for IPv4, 128 entries for IPv6
• RIP v1/v2
• RIPng
• Policy-based Routing
• Route Redistribution

QoS (Quality of Service)

• 802.1p Class of Service (CoS)
• 8 queues per port
• Queue Handling
  • Strict
  • Weighted Round Robin (WRR)
  • Strict + WRR
• CoS based on
  • Switch Port
  • VLAN
  • 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
• Supports following actions for flows:
  • Remark 802.1p Priority Tag
  • Remark TOS/DSCP Tag
  • Bandwidth Control
  • Flow Statistics
  • Committed Information Rate (CIR), min. granularity 1 Kbps.
• Bandwidth Control
  • Port-based (Ingress/Egress, min. granularity 8 Kbps)
  • Flow-based (Ingress, min. granularity 8 Kbps)
• Time-based QoS
• Congestion Control - WRED3

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

• SSH v2
• SSL v1/v2/v3
• Port Security for up to 3328 MAC addresses for port/system/VLAN
• Broadcast/Multicast/Unicast Storm Control
• Traffic Segmentation
• IP-MAC-Port Binding
  • ARP Packet Inspection
  • IP Packet Inspection
  • DHCP Snooping
  • DHCPv6 and NDP Snooping
  • Supports up to 500 Address Binding Entries per deviceƒ
• D-Link Safeguard Engine
• DHCP Server Screening
• CPU Interface Filtering
• ARP Spoofing Prevention
• BPDU Attack Protection
• Secure FTP¹
• NetBIOS/NetBEVI Filtering

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

Management

• Web-based GUI
• Command Line Interface (CLI)
• Telnet Server
• Telnet Client
• TFTP Client
• ZModem
• SNMP v1/v2c/v3
• SNMP Trap
• System Log
• RMON v1
  • Supports 1,2,3,9 Groups
• RMON v2
  • Supports ProbeConfig Group
• sFlow
• LLDP/LLDP-MED
• BootP/DHCP Client
• DHCP Auto-Configuration
• DHCP Relay
• DHCP Relay Option 60; 61
• DHCP Relay Option 82
• DHCP Server
• Flash File System
• Multiple Images
• Multiple Configurations
• CPU Monitoring
• Debug Command
• SNTP
• ICMPv6
• DHCPv6 Client
• DHCPv6 Relay
• DHCPv6 Server
• Trusted Host
• MTU Setting
• Microsoft® NLB Support
• UDP helper

OAM

• 802.3ah Ethernet Link OAM
• 802.3ah D-Link Extension: D-Link Unidirectional Link Detection (DULD)

Optional 10G SFP+ Transceivers

• DEM-431XT - 10GBASE-SR SFP+ transceiver (w/o DDM), 80 m: OM1 & OM2 MMF, 300 m: OM3 MMF
• DEM-432XT - 10GBASE-LR SFP+ transceiver (w/o DDM), 10 km

Optional 1G SFP Transceivers

• DEM-310GT - 1000BASE-LX SFP transceiver, single-mode fiber, 10 km, 3.3 V operating voltage
• DEM-311GT - 1000BASE-SX SFP transceiver, multi-mode fiber, 550 m, 3.3 V operating voltage
• DEM-312GT2 - 1000BASE-SX SFP transceiver multi-mode fiber, 2 km, 3.3 V operating voltage

Optional 10G SFP+ Direct Attach Cables

• DEM-CB100S - 10G SFP+ to SFP+ 1 m Direct Attach Cable
• DEM-CB300S - 10G SFP+ to SFP+ 3 m Direct Attach Cable