Standards and function ports
• IEEE 802.3 10BASE-T Ethernet
• IEEE 802.3u 100BASE-TX Fast Ethernet
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet
• IEEE 802.3x flow control for full-duplex mode
• Compliance with IEEE 802.3af
• Compliance with IEEE 802.3at
• Auto-negotiation
 
Number of Ports
24-port 10/100/1000 Mbit / s, with the function of PoE, 4 SFP ports
 
Network Cables
• UTP category 5, 5e (max. 100 m)
• EIA/TIA-568 100-ohm STP (max. 100 m)
 
Full / half duplex
• Full / half duplex for 10/100 Mbit / s
• Full duplex for Gigabit speed
 
Media Interface
Automatic and customizable interface MDI / MDI-X
 
Throughput of the switch
56 Gbit / s
 
Switching Method
Store-and-forward
 
Table MAC-addresses
16,000 entries per device
 
Study of MAC-addresses
• Up to 256 static MAC-address records
• Enable / disable auto-learning of MAC-addresses
 
The maximum packet forwarding rate of 64 bytes
41.7 Mpps
 
Packet buffer memory
1 MB on the device
 
PoE
• The standard for PoE: 802.3af and 802.3at
• Functions of Port PoE: ports 1 to 4: up to 30 W, ports 5 to 24: up to 15.4 W
• Power PoE: max. 185 W
 
Software
Layer 2 Features
• Table of MAC-addresses: 16,000 records
• Flow Control
  - 802.3x Flow Control
  - HOL blocking prevention
• IGMP Snooping
  - IGMP v1/v2 Snooping
  - Supports up to 256 IGMP-groups
  - Support for up to 64 static multicast groups
  - IGMP on VLAN
  - Supports IGMP Snooping Querier
• Spanning Tree Protocol
  - 802.1D STP
  - 802.1w RSTP
• Loopback Detection
• 802.3ad Link Aggregation
  - Max. the number of groups on the device 14/8 ports per group
• Port Mirroring
  - One-to-One, Many-to-One
  - Supports Mirroring for Tx / Rx / Both
• Filtering Multicast
  - Redirect all unregistered groups
  - Filters all unregistered groups
• LLDP, LLDP-MED
 
VLAN
• 802.1Q
• Group VLAN
  - Max. 256 static VLAN groups
  - Max. VID 4094
• Management VLAN
• Asymmetric VLAN
• Auto Voice VLAN
  - Max. 10 user defined OUI
  - Max. 8 default specific OUI
• Auto Surveillance VLAN
 
QoS (Quality of Service)
• 802.1p Quality of Service
• 4 queues per port
• Processing Queues
  - Strict
  - Weighted Round Robin (WRR)
• CoS based
  - 802.1p Priority Queues
  - DSCP
  - ToS1
• Bandwidth Management
  - Port-based (Ingress / Egress, with a step up to 10/100/1000 64 Kb / s)
 
Access Control Lists (ACL)
• DGS-1210-28P:
  - 50 profiles (maximum)
  - Max. 240 Access Rules
  - Individual port or multiple ports (each rule)
• ACL on the basis of
  - MAC-addresses
  - IPv4-address (ICMP / IGMP / TCP / UDP)
  - 802.1p
  - DSCP
  - The type of Ethernet
• Actions ACL
  - Allow
  - Deny
 
Safety
• Port Security
  - Supports up to 64 MAC-addresses per port
• Management of broadcast / multicast / unicast storm
• Static MAC-address
• D-Link Safeguard Engine
• The DHCP Server Screening
• A trusted host
• Prevent ARP Spoofing Attacks
  - Max. 64 records
• SSL
  - Support v1/v2/v3
  - Support IPv4/IPv61
• Segmenting traffic
• Intelligent binding
  - Supports 512 entries bindings IP-MAC-Port
  - Detection of connected devices and their binding
  - Inspection ARP-packets and / or IP-packet
  - Support for DHCP Snooping
 
AAA
• Authentication 802.1X port-based
  - Support for RADIUS-server
  - Support for EAP, OTP, TLS, TTLS, PEAP
 
OAM
• Cable Diagnostics
• Return to factory settings
 
MIB
• 1213 MIB II
• 1493 Bridge MIB
• 1907 SNMP v2 MIB
• 1215 Trap Convention MIB
• 2233 Interface Group MIB
• D-Link Private MIB
• Power-Ethernet MIB
• LLDP MIB
 
Compliance with RFC
• RFC 783 TFTP
• RFC 854 Telnet-server
• RFC 951 BootP / DHCP-Client
• RFC 1157 SNMP v1, v2, v3
• RFC 1191 Path MTU Discovery
• FC 1213 MIB II, IF MIB
• RFC 1215 MIB Traps Convention
• RFC 1350 TFTP
• RFC 1493 Bridge MIB
• RFC 1542 BootP / DHCP-Client
• RFC 1769 SNTP
• RFC 1901 SNMP v1, v2, v3
• RFC 1907 SNMP v2 MIB
• RFC 1908 SNMP v1, v2, v3
• RFC 2068 FCS
• RFC 2131 BootP / DHCP-Client
• RFC 2138 RADIUS Authentication
• RFC 2139 RADIUS Authentication
• RFC 2233 Interface Group MIB
• RFC 2246 SSL
• RFC 2475
• RFC 2570 SNMP v1, v2, v3
• RFC 2575 SNMP v1, v2, v3
• RFC 2598 CoS
• RFC 2616 FCS
• RFC 2618 RADIUS Authentication
• RFC 2819 RMON v1
• RFC 2865 RADIUS Authentication
• RFC 3164 System Log
• RFC 3195 System Log
• RFC 3411-17 SNMP
• RFC 3621 Power Ethernet MIB
 
Management
• Multilingual Web-based GUI
  - English (the default)
  - Simplified Chinese
  - Traditional Chinese
  - French
  - German
  - Italian
  - Japanese
  - Portuguese
  - Russian
  - Spanish
• The SmartConsole
• Simplified CLI
• Telnet-server
• TFTP-client
• Customizable Interface MDI / MDIX
• SNMP
  - Support v1/v2/v3
• SNMP Trap
• The system log
  - Max. 500 log entries
• BootP / DHCP-Client
• SNTP
• ICMPv61
• IPv4/IPv6 Dual Stack1
• Automatic configuration of DHCP
• RMONv1
• PoE on the basis of time (only model PoE)
 
Technology D-Link Green 3.0
• Energy savings:
  - In various states of connection
  - Depending on the length of the cable
  - When you turn indicators or ports
  - In standby ports
  - In sleep mode, the system