L2 Features

• 32K MAC per I/O module
• Flow Control (802.3x, HOL Blocking Prevention)
• Jumbo Frame up to 9,732 Bytes
• IGMP v1/v2/v3 Snooping (1K groups)
• Spanning Tree (STP, RSTP, MSTP)
• 802.3ad Link Aggregation (128 groups, 8 ports per group)
• Port Mirroring
• RSPAN 
• ERPS (Ethernet Ring Protection Switching)
• MLD v1 Snooping (1K groups) 
• Loopback Detection 
• L2 Protocol Tunneling 

VLAN

• 4K VLAN
• 802.1Q Tagged VLAN
• 802.1v Protocol VLAN
• Port-based VLAN
• Double VLAN (Q-in-Q)

L3 Features

• 4K IP interface
• VRRP
• IPv6 Tunneling (manual, ISATAP, 6to4)
• IPv6 Ready Phase 
• Proxy ARP 
• Gratuitous ARP

L3 Routing

• 12K hardware routing entries shared by IPv4/IPv6
• 8K hardware L3 forwarding entries shared by IPv4/IPv6
• Policy-based Route 
• RIP v1/v2, RIPng
• OSPF v2, v3
• BGP v4, BGPv4+ 

L3 Multicasting

• 1K hardware multicast groups
• PIM-DM
• PIM-DM v6 
• PIM-SM
• PIM-SM v6 
• PIM Sparse-Dense Mode 
• IGMP v1/v2/v3
• DVMRP v3

QoS (Quality of Service)

• 802.1p Class of Service (CoS)
• 8 queues
• Queue Handling:
• Strict
• Weighted Round Robin (WRR)
• Strict+WRR
• Deficit Round Robin (DRR)
• Strict+DRR
• 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 
• Supports following actions for flows:
• Remark 802.1p Priority Tag
• Remark TOS/DSCP Tag
• Bandwidth Control
• Committed Information Rate (CIR), min. granularity 64Kbps
• Port-based Bandwidth Control (Ingress/Egress, min. granularity 64 Kbps)
• Time-based QoS 

ACL (Access Control List)

• Ingress / Egress ACL
• ACL Based on
• 802.1p Priority
• VLAN ID
• MAC Address
• IPv4/IPv6 Address or IP Prefix
• DSCP/IP Precedence
• IP Protocol Type
• TCP/UDP Port Number
• Combination of the above
• Time-based ACL

Security

• SSH v2
• Port Security up to 16 MAC address per port
• Broadcast/Multicast/Unicast Storm Control
• DoS Attack Prevention
• IP-MAC-Port Binding 
• ARP Spoofing Prevention 
• D-Link Safeguard Engine 

AAA

• 802.1X
• Port-based Access Control
• MAC-based Access Control
• Dynamic VLAN Assignment
• 3-Level user account
• RADIUS Authentication for Switch Access
• Guest VLAN 
• 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

Management

• Command Line Interface (CLI)
• Telnet Server
• Telnet Client
• TFTP
• DHCP Server
• DHCP Relay
• DHCP Relay option 82
• SNMP v1/v2c/v3
• SNMP Trap
• System Log
• RMON v1 (1,2,3,9 Groups)
• Flash File System
• Multiple Images
• Multiple Configurations
• Debug command
• SNTP
• Trusted Host
• Microsoft® NLB Support 
• LLDP 
• sFlow

Green

• Power Saving by Link status
• Time-based PoE