20*1000Base-X , 8*1G SFP/RJ45 Combo, 1*RJ45 console port for switch basic management and setup

Layer 3 routing features:  Supports static routing

Port aggregation: Supports GE ports, 2.5GE port aggregation, static and dynamic aggregation

VLAN : Supports access, truck , hybrid mode and VLAN classification, including the Mac based VLAN, IP based VLAN and protocol based VLAN

QinQ:  Supports port-based, VLAN-based and flow-based QinQ

Port Mirroring: Many to one port mirroring

Layer 2 ring network protocol: Supports STP, RSTP, MSTP, G.8032 ERPS protocol, single ring, sub ring

Multicast: Supports IGMP V1, V2,V3 and IGMP snoopingQoS: QoS class, remarking, Supports SP, WRR queue scheduling, Ingress/Engress port-based rate-limit and policy-based QoS

Security: Support Dot1x，port authentication，mac authentication，RADIUS service; Support port-security, ip source guard，IP/Port/MAC binding, arp-check and ARP packet filtering for illegal users and port isolation

Management : Supports LLDP, user management and login authentication; SNMPV1/V2C/V3; web management，HTTP1.1，HTTPS; Syslog and alarm grading ; RMON （Remote Monitoring）alarm, event and history record; NTP, temperature monitoring; Ping、Tracert and optical transceiver DDM function; Supports TFTP Client, Telnet Server, SSH Server and IPv6 Management

Firmware update, configure backup/restore through Web GUI, FTP and TFTP