ZyXEL Communications ADSL2+ Ethernet/USB Gateway 660RU-Tx Series - Manual (Page 12)

Prestige 660RU-Tx Series User’s Guide
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18.5 Editing ATM Layer Options ............................................................................151
18.5.1 VC-based Multiplexing (non-PPP Encapsulation) ................................151
18.5.2 LLC-based Multiplexing or PPP Encapsulation ....................................152
18.5.3 Advance Setup Options ........................................................................152
Chapter 19
Static Route Setup ............................................................................................... 154
19.1 IP Static Route Overview ...............................................................................154
19.2 Configuration ..................................................................................................154
Chapter 20
Bridging Setup ..................................................................................................... 158
20.1 Bridging in General ........................................................................................158
20.2 Bridge Ethernet Setup ....................................................................................158
20.2.1 Remote Node Bridging Setup ...............................................................158
20.2.2 Bridge Static Route Setup .....................................................................160
Chapter 21
Network Address Translation (NAT) ................................................................... 162
21.1 SUA (Single User Account) Versus NAT ........................................................162
21.2 Applying NAT .................................................................................................162
21.3 NAT Setup ......................................................................................................164
21.3.1 Address Mapping Sets ..........................................................................164
21.3.1.1 SUA Address Mapping Set .........................................................165
21.3.1.2 User-Defined Address Mapping Sets ..........................................166
21.3.1.3 Ordering Your Rules ....................................................................167
21.4 Configuring a Server behind NAT ..................................................................168
21.5 General NAT Examples ..................................................................................170
21.5.1 Example 1: Internet Access Only ..........................................................170
21.5.2 Example 2: Internet Access with an Inside Server ...............................171
21.5.3 Example 3: Multiple Public IP Addresses With Inside Servers .............172
21.5.4 Example 4: NAT Unfriendly Application Programs ...............................175
Chapter 22
Filter Configuration.............................................................................................. 178
22.1 About Filtering ................................................................................................178
22.1.1 The Filter Structure of the Prestige .......................................................179
22.2 Configuring a Filter Set for the Prestige .........................................................180
22.3 Filter Rules Summary Menus .........................................................................181
22.4 Configuring a Filter Rule ................................................................................182
22.4.1 TCP/IP Filter Rule .................................................................................182
22.4.2 Generic Filter Rule ................................................................................185
22.5 Filter Types and NAT .....................................................................................187