ZyXEL Communications Network Adapter P-660RU-T V2 User Manual page 14

Table of Contents
Chapter 12
Network Address Translation (NAT) Screens....................................................................... 91
12.1 NAT Overview .................................................................................................................... 91
12.1.1 NAT Definitions ........................................................................................................ 91
12.1.2 What NAT Does ....................................................................................................... 92
12.1.3 How NAT Works ....................................................................................................... 92
12.1.4 NAT Application ........................................................................................................ 93
12.1.5 NAT Mapping Types ................................................................................................. 93
12.2 SUA (Single User Account) Versus NAT ........................................................................... 94
12.3 SUA Server ........................................................................................................................ 95
12.3.1 Default Server IP Address ........................................................................................ 95
12.3.2 Port Forwarding: Services and Port Numbers .......................................................... 95
12.3.3 Configuring Servers Behind SUA (Example) ........................................................... 96
12.4 Selecting the NAT Mode .................................................................................................... 96
12.5 Configuring SUA Server .................................................................................................... 97
12.6 Configuring Address Mapping ........................................................................................... 98
12.7 Editing an Address Mapping Rule ..................................................................................... 99
Part IV: Maintenance and Troubleshooting ....................................... 101
Chapter 13
Maintenance .......................................................................................................................... 103
13.1 Maintenance Overview .................................................................................................... 103
13.2 System Status Screen ..................................................................................................... 103
13.2.1 System Statistics .................................................................................................... 105
13.3 DHCP Table Screen ........................................................................................................ 106
13.4 Any IP Table Screen ........................................................................................................ 107
13.5 Diagnostic Screens .......................................................................................................... 108
13.5.1 Diagnostic General Screen .................................................................................... 108
13.5.2 Diagnostic DSL Line Screen .................................................................................. 109
13.6 Firmware Screen ..............................................................................................................110
13.7 Configuration Screen ........................................................................................................111
13.7.1 Backup Configuration ..............................................................................................112
13.7.2 Restore Configuration .............................................................................................112
13.7.3 Reset to Factory Defaults ........................................................................................114
Chapter 14
Troubleshooting.................................................................................................................... 115
14.1 Power, Hardware Connections, and LEDs .......................................................................115
14.2 ZyXEL Device Access and Login .....................................................................................116
14.3 Internet Access .................................................................................................................117
14
P-660RU-T v2 User's Guide