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 isolation
Port security, and “IP+MAC+port” binding
Console, Telnet, SSH2.0, Web
SNMP v1/v2/v3
TFTP
RMON