Firewall(a
Nat(b
Firewall ( L7(c)
Hotspot(d
User manager(e
Wireless(f
Ntp server(g
Ntp client(h
VPN server(i

Tunnels(j
Load balansing(k
Dhcp Server(l
Dhcp Client(m
PPPOE Server(n
IPV6(o
Web proxy(p
Routing ( BGP / MME(q )
FTP(s