Features:
 
Physical Port
24 10/100/1000BASE-T ports with 95W 802.3bt PoE++ injector function (Ports 1 to 24)
4 10GBASE-SR/LR SFP+ slots, backward compatible with 100/1G/2.5GBASE-X SFP transceivers (Ports XG1 to XG4)
RJ45 to DB9 console interface for switch basic management and setup
 
Switching
Hardware-based 10/100Mbps (half/full duplex), 1000Mbps (full duplex), auto-negotiation and auto MDI/MDI-X
IEEE 802.3x flow control for full duplex operation and back pressure for half duplex operation
16K MAC address table size
12K jumbo frame
Automatic address learning and address aging
 
Power over Ethernet
Compliant with IEEE 802.3bt Power over Ethernet Plus Plus 
24 ports supporting IEEE 802.3bt PoE++ with each offering up to 95 watts (Ports 1-24)
Total PoE power budget of 720 watts
Automatic detection of powered devices (PD)
Built-in circuit protection to prevent power interference between ports
Remote power feeding up to 100 meters in standard mode and 250 meters in extend mode
Advanced PoE management capabilities:
Total PoE power budget control
Per port PoE function enable/disable
PoE port power feeding priority
Per PoE port power limitation
Detection of PD classification
Intelligent PoE features
PD alive check
PoE schedule
Scheduled power recycling
 
Layer 2 Features
Supports VLAN
IEEE 802.1Q tagged VLAN
Provider bridging (VLAN Q-in-Q, IEEE 802.1ad) support
Protocol VLAN
Private VLAN (Protected port)
Management VLAN
GVRP
Supports Spanning Tree Protocol
STP (Spanning Tree Protocol)
RSTP (Rapid Spanning Tree Protocol)
MSTP (Multiple Spanning Tree Protocol)
STP BPDU Guard, BPDU Filtering and BPDU Forwarding
Supports Link Aggregation
IEEE 802.3ad Link Aggregation Control Protocol (LACP)
Cisco ether-channel (static trunk)
Maximum 8 trunk groups, up to 8 ports per trunk group 
Supports port mirror (many-to-1)
Loop protection to avoid broadcast loops
Supports ERPS (Ethernet Ring Protection Switching)
Link Layer Discovery Protocol (LLDP) 
 
Quality of Service
Ingress and egress rate limit per port bandwidth control
Storm control support
Broadcast/Unknown unicast/Unknown multicast
Traffic classification
IEEE 802.1p CoS
TOS/DSCP/IP precedence of IPv4/IPv6 packets
Strict priority and Weighted Round Robin (WRR) CoS policies
 
Multicast
Supports IPv4 IGMP snooping v2 and v3
Supports IPv6 MLD snooping v1, v2
IGMP querier mode support
IGMP snooping port filtering
MLD snooping port filtering
 
Security
Authentication
Built-in RADIUS client to cooperate with the RADIUS servers
RADIUS/TACACS+ login user access authentication
DHCP Option 82
Access control list
IPv4/IPv6 IP-based ACL
IPv4/IPv6 IP-based ACE
MAC-based ACL
MAC-based ACE
MAC security
Static MAC
MAC filtering
Port security for source MAC address entries filtering
DHCP snooping to filter distrusted DHCP messages
Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding
IP source guard prevents IP spoofing attacks
DoS attack prevention
 
Management
IPv4 and IPv6 dual stack management
Switch management interface
Web switch management 
Console and telnet command line interface
SNMP v1 and v2c switch management
SSHv2, TLSv1.2 and SNMP v3 secure access
SNMP Management
Four RMON groups (history, statistics, alarms and events) 
SNMP trap for interface link up and link down notification
User privilege levels control
Built-in Trivial File Transfer Protocol (TFTP) client
Static and DHCP for IP address assignment
System maintenance
Firmware upload/download via HTTP/TFTP
Configuration upload/download through HTTP/TFTP
Dual images
Hardware-based reset button for system reboot or reset to factory default
SNTP Network Time Protocol
Network Diagnostic
SFP-DDM (digital diagnostic monitor)
Cable diagnostics
ICMPv4/ICMPv6 remote ping
Link Layer Discovery Protocol (LLDP) and LLDP-MED
Event message logging to remote syslog server
PLANET Smart Discovery Utility for deployment management
PLANET NMS, NMSViewerPro and CloudViewerPro for deployment management
PLANET NMS and CloudNMS for deployment management