... guardLocal ARP proxy, Proxy ARP, ARP binding, Gratuitous ARP, ARP limit Support DCHP Client, Relay, Snooping, Option 82 DHCP Server for ... -DOS attack, ICMP unreachable attack S-Buffer: prevent DDOS attack Switch engine CPU protection Key message priority: secure processing of key ... time length and traffic Support guest vlan and auto vlan Work with private client can manage P2P traffic MAC Based AAA ...