ZyXEL Communications P-335WT Chapter, Chapter, Chapter, Network Address Translation (NAT)

P-335 Series User’s Guide

Chapter 7
LAN........................................................................................................................		122
7.1	LAN Overview ..................................................................................................	122
	7.1.1 IP Pool Setup ..........................................................................................	122
	7.1.2 System DNS Servers ..............................................................................	122
7.2	LAN TCP/IP ......................................................................................................	122
	7.2.1 Factory LAN Defaults ..............................................................................	122
	7.2.2 IP Address and Subnet Mask .................................................................	123
	7.2.3 RIP Setup ...............................................................................................	123
	7.2.4 Multicast ..................................................................................................	123
7.3	Any IP ...............................................................................................................	124
	7.3.1 How Any IP Works ..................................................................................	125
7.4	IP Screen .........................................................................................................	125
7.5	IP Alias Screen .................................................................................................	126
7.6	Advanced LAN Screen .....................................................................................	128
Chapter 8
DHCP Server.........................................................................................................		130
8.1 DHCP ...............................................................................................................		130
8.2 DHCP Screen ...................................................................................................		130
8.3	Static DHCP Screen .........................................................................................	131
8.4	Client List Screen .............................................................................................	132
Chapter 9
Network Address Translation (NAT) ...................................................................		134
9.1	NAT Overview ..................................................................................................	134
	9.1.1 NAT Definitions .......................................................................................	134
	9.1.2 What NAT Does ......................................................................................	135
	9.1.3 How NAT Works .....................................................................................	135
	9.1.4 NAT Application ......................................................................................	136
	9.1.5 NAT Mapping Types ...............................................................................	136
9.2	Using NAT ........................................................................................................	137
	9.2.1 SUA (Single User Account) Versus NAT ................................................	138
9.3	SUA Server ......................................................................................................	138
	9.3.1 Default Server IP Address ......................................................................	138
	9.3.2 Port Forwarding: Services and Port Numbers ........................................	138
	9.3.3 Configuring Servers Behind SUA (Example) ..........................................	139
9.4	General NAT Screen ........................................................................................	140
9.5	Port Forwarding Screen ...................................................................................	141
	9.5.1 Rule Setup Screen...................................................................................	142
9.6	Trigger Port Forwarding ...................................................................................	143
	9.6.1 Trigger Port Forwarding Example ...........................................................	143
	9.6.2 Two Points To Remember About Trigger Ports .......................................	144

11 Table of Contents