ZyXEL Communications VSG-1200 V2 12

	VSG-1200 V2 User’s Guide
6.5.4 WAN Port Mode: PPTP .............................................................................	66
Chapter 7
Server ......................................................................................................................	70
7.1 DHCP Configuration ...........................................................................................	70
7.1.1 Public and Private Address Assignment ...................................................	70
7.1.2 Server Configuration .................................................................................	70
Chapter 8
NAT Pool .................................................................................................................	74
8.1 NAT Overview ....................................................................................................	74
8.1.1 NAT Definitions .........................................................................................	74
8.1.2 What NAT Does ........................................................................................	75
8.1.3 How NAT Works .......................................................................................	75
8.1.4 VPN and NAT ...........................................................................................	75
8.2 NAT Examples ...................................................................................................	76
8.2.1 Example 1: One-to-One ............................................................................	76
8.2.2 Example 2: Many-to-One ..........................................................................	77
8.2.3 Example 3: One-to-One and Many-to-One ...............................................	77
8.3 NAT Pool Setup ..................................................................................................	78
Chapter 9
Authentication ........................................................................................................	80
9.1 Authentication Overview ....................................................................................	80
9.1.1 User Agreement ........................................................................................	80
9.1.2 CAS (Central Authentication Service) .......................................................	80
9.1.3 Built-in Authentication ...............................................................................	81
9.1.4 RADIUS ....................................................................................................	81
9.1.4.1 RADIUS Accounting ........................................................................	81
9.1.4.2 Vendor Specific Attribute .................................................................	82
9.2 Authentication Configuration .............................................................................	82
9.2.1 Scenario Options ......................................................................................	85
Chapter 10
Billing ......................................................................................................................	88
10.1 Billing Overview ................................................................................................	88
10.1.1 Billing Profile ...........................................................................................	88
10.1.2 Configuring a Billing Profile .....................................................................	89
10.2 PMS (Property Management System) .............................................................	91
10.2.1 Port-Location Mapping ............................................................................	91
10.2.2 PMS Configuration ..................................................................................	91
10.3 Types of Subscriber Accounts ..........................................................................	93

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