DGS-3120-48TC
48-port xStack Layer 2 stackable Gigabit switch

Stackability

Physical Stacking (up to 6 units per stack)
Virtual Stacking (up to 32 units per stack)
2x 10GbE stacking ports

L2 Features

MAC Address Table: 16K
Flow Control
Jumbo Frame up to 13K Bytes
Spanning Tree Protocols
802.1D STP
802.1w RSTP
802.1s MSTP
Ethernet Ring Protection Switching (ERPS) 1
Loopback Detection
802.3ad Link Aggregation
Port Mirroring

L3 Features1

Max. 16 IP Interfaces
ARP Proxy
IPv6 Neighbour Discovery (ND)
512 static routing entries for IPv4/IPv6

L2 Multicasting

IGMP Snooping
Limited IP Multicast
MLD Snooping

VLAN

4K VLAN Groups
GVRP
802.1Q Tagged VLAN
Port-based VLAN
802.1v Protocol VLAN
Voice VLAN
MAC-based VLAN
ISM VLAN
Asymmetric VLAN
Private VLAN
Double VLAN (Q-in-Q) 1

QoS (Quality of Service)

802.1p
8 queues per port
Bandwidth Control (port- and flow-based)

Access Control List (ACL)

Supports up to 1.5K Ingress access rules
Supports up to 512 Egress access rules 1
Time-based ACL
CPU Interface Filtering

Security

SSH v2
SSL v1/v2/v3
Port Security
Broadcast/Multicast/Unicast Storm Control
Traffic Segmentation
D-Link Safeguard Engine
NetBIOS/NetBEUI Filtering
DHCP Server Screening
ARP Spoofing Prevention
BPDU Attack Protection
IP-MAC-Port Binding 1

AAA

802.1X
Web-based Access Control (WAC)
MAC-based Access Control (MAC)
Compound Authentication 1
Guest VLAN
Microsoft® NAP
RADIUS Accounting
4 Level User Account

D-Link Green Features

Compliant with RoHS
Power Saving by Link Status
Power Saving by Cable Length
Time-based PoE 2

Management

Web-based GUI
Command Line Interface (CLI)
Telnet
TFTP
SNMP v1/v2c/v3
SNMP over IPv6 1
SNMP Traps
sFlow 1
ICMPv6 1
System Log
RMON v1, v2
LLDP
BootP/DHCP Client
DHCP Auto-Configuration
DHCP Relay
Multiple Images
Multiple Configurations
CPU Monitoring
Debug Command
SNTP