L3 24x1G T + 4x10G SFP+ stackable managed switch

Physical Ports

• 24 10/100/1000BASE-T RJ45 copper ports
• 4 10GBASE-SR/LR SFP+ slots, backward compatible with 1000BASE-SX/LX/BX SFP
• RJ45 to DB9 console interface for switch basic management and setup

Layer 2 Features

• 16K MAC address table, automatic source address learning and aging
• Supports VLAN
• Supports Link Aggregation
• Supports Spanning Tree Protocol
• Port mirroring to monitor the incoming or outgoing traffic on a particular port (one-to-one and many-to-one)
• Provides port mirror (many-to-1)
• Supports G.8032 ERPS (Ethernet Ring Protection Switching)
• Loop protection to avoid broadcast loops
• Link Layer Discovery Protocol (LLDP)
• Compatible with Cisco UDLD (uni-directional link detection) that monitors a link between two switches and blocks the ports on both ends of the link if the link fails at any point between the two devices

Quality of Service

• 8 priority queues on all switch ports
• Support for strict priority and WRR (Weighted Round Robin) CoS policies
• Traffic classification: IEEE 802.1p CoS/ToS; IPv4/IPv6 DSCP; Port-based WRR
• Strict priority and WRR CoS policies

Management

• IPv4 and IPv6 dual stack management
• Switch Management Interface
• Console and Telnet Command Line Interface 
• HTTP Web switch management
• SNMP v1 and v2c switch management
• SSHv1/v2, TLSv1.2 and SNMPv3 secure access
• SNMP Management
• Four RMON groups 1, 2, 3, 9 (history, statistics, alarms and events)
• SNMP trap for interface Link Up and Link Down notification
• BOOTP and DHCP for IP address assignment
• System Maintenance
• Firmware upload/download via TFTP or HTTP Protocol for IPv4 and IPv6
• SNTP (Simple Network Time Protocol) for IPv4 and IPv6
• User privilege levels control
• Syslog server for IPv4 and IPv6
• Supports sFlow 
• DHCP Functions
• DHCP Option82
• DHCP server/relay/client
• Network Diagnostic
• Supports ping, traceroute function for IPv4 and IPv6
• Supports DDM (Digital Diagnostic Monitor)
• Supports ISSU (In-service Software Upgrade) to guaranteeing non-stop user data transmission when the system is upgraded.