ZyXEL Communications ADSL/ADSL2/ADSL2+ Router 660R-6xC Series User Manual
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Prestige 660R-6xC Series User’s Guide
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6.1 WAN Overview ...................................................................................................60
6.2 Metric ................................................................................................................60
6.3 PPPoE Encapsulation ........................................................................................61
6.4 Traffic Shaping ...................................................................................................61
6.5 Configuring WAN Setup .....................................................................................62
6.6 Traffic Redirect ..................................................................................................65
6.7 Configuring WAN Backup ...................................................................................66
7.1.1 NAT Definitions .........................................................................................70
7.1.2 What NAT Does ........................................................................................71
7.1.3 How NAT Works .......................................................................................71
7.1.4 NAT Application ........................................................................................72
7.1.5 NAT Mapping Types .................................................................................72
7.2 SUA (Single User Account) Versus NAT ............................................................73
7.3 SUA Server ........................................................................................................74
7.3.1 Default Server IP Address ........................................................................74
7.3.2 Port Forwarding: Services and Port Numbers ..........................................74
7.3.3 Configuring Servers Behind SUA (Example) ............................................75
7.4 Selecting the NAT Mode ....................................................................................75
7.5 Configuring SUA Server .....................................................................................76
7.6 Configuring Address Mapping ............................................................................78
7.7 Editing an Address Mapping Rule ......................................................................79
10.1.1 Remote Management Limitations ...........................................................86
10.1.2 Remote Management and NAT ..............................................................87