COMMAND BASIC FORMATS
[command] [protocol] [service address:port] [nic number] [schedules method]
[command] [protocol] [server address:port] [nic number] [forwarding method]

COMMANDS
	service add -- Add Service.
		remove -- Remove Service. (Default = grace)
		list -- List of Service.
	server	add -- Add Real Server to Service.
		remove -- Remove Real Server from Service. (Default = grace)
		list -- List of Real Server.

OPTIONS
	PROTOCOLS
		-t -- TCP
		-u -- UDP
	SCHEDULE OPTIONS
		rr	-- Round Robin(default).
		r	-- Random.
		min	-- Server that has min sessions.
	MODE OPTIONS
		nat	-- network address transration.
		dnat	-- destination network address transration.
		dr	-- direct routing.
	OTHERS
		-f -- Delete Force(not grace)
		-o -- Time out of session(micro second) default: 30000000

EXAMPLES 1
	service add -t 192.168.10.100:80 0 -s rr -out 192.168.100.20 1
	service add -t 192.168.10.100:80 1 -s rr -out 192.168.100.21 1
	server add -t 192.168.10.201:8080 2 -m nat
	server add -t 192.168.10.201:8081 2 -m nat
	server add -t 192.168.10.201:8082 2 -m nat
	server add -t 192.168.10.201:8083 2 -m nat
	service list
	server list

EXAMPLES 2
	server remove -t 192.168.10.201:8080 2
	server remove -t 192.168.10.201:8081 2
	server remove -t 192.168.10.201:8082 2
	server remove -t 192.168.10.201:8083 2
	service remove -t 192.168.10.100:80 0