4K VLAN, GVRP, QinQ, Private VLAN
Flow classification based on L2 to L4 protocols
CAR flow limit
802.1P/DSCP priority re-labeling
SP, WRR, and "SP+WRR"
Congestion avoidance mechanisms like Tail-Drop and WRED
Flow monitoring and flow shaping
IGMP Fast Leave
Multicast group strategy and quantity limitation
Console, Telnet, SSH2.0, Web
L2/L3/L4 ACL flow identification and filtration
DDoS attack prevention, TCP's SYN Flood attack prevention, UDP Flood attack prevention, etc.
Broadcast/multicast/unknown unicast storm-control
Port security, and "IP+MAC+port" binding