ZyXEL Communications Prestige 650 User Manual
Page 8

Prestige 650 ADSL Router
viii
Table of Contents
4.1.2
Encapsulation and Multiplexing Scenarios........................................................................4-2
4.1.3
Outgoing Authentication Protocol .....................................................................................4-5
4.2
Remote Node Setup ...................................................................................................................4-6
4.3
Remote Node Filter....................................................................................................................4-8
Chapter 5 Remote Node TCP/IP Configuration .........................................................................5-1
5.1
TCP/IP Configuration ................................................................................................................5-1
5.1.1
Editing TCP/IP Options .....................................................................................................5-1
5.1.2
IP Static Route Setup .........................................................................................................5-5
Chapter 6 Bridging Setup .............................................................................................................6-1
6.1
Bridging in General....................................................................................................................6-1
6.2
Bridge Ethernet Setup ................................................................................................................6-1
6.2.1
Remote Node Bridging Setup ............................................................................................6-1
6.2.2
Bridge Static Route Setup ..................................................................................................6-2
Chapter 7 Network Address Translation (NAT) .........................................................................7-1
7.1
Introduction................................................................................................................................7-1
7.1.1
NAT Definitions ................................................................................................................7-1
7.1.2
What NAT Does ................................................................................................................7-2
7.1.3
How NAT Works...............................................................................................................7-2
7.1.4
NAT Application ...............................................................................................................7-3
7.1.5
NAT Mapping Types .........................................................................................................7-4
7.2
Using NAT.................................................................................................................................7-6
7.2.1
SUA (Single User Account) Versus NAT .........................................................................7-6
7.2.2
Applying NAT ...................................................................................................................7-6
7.3
NAT Setup .................................................................................................................................7-8
7.3.1
Address Mapping Sets .......................................................................................................7-9
7.4
NAT Server Sets — Port Forwarding ......................................................................................7-14
7.4.1
Configuring a Server behind NAT...................................................................................7-15
7.5
General NAT Examples...........................................................................................................7-18
7.5.1
Example 1: Internet Access Only.....................................................................................7-18
7.5.2
Example 2: Internet Access with an Inside Server...........................................................7-19
7.5.3
Example 3: Multiple Public IP Addresses With Inside Servers .......................................7-20
7.5.4
Example 4: NAT Unfriendly Application Programs........................................................7-24
ADVANCED MANAGEMENT...................................................................................................................III
Chapter 8 Filter Configuration ....................................................................................................8-1
8.1
About Filtering...........................................................................................................................8-1
8.2
Configuring a Filter Set .............................................................................................................8-4
8.2.1
Filter Rules Summary Menus ............................................................................................8-7
8.3
Configuring a Filter Rule ...........................................................................................................8-9
8.3.1
TCP/IP Filter Rule .............................................................................................................8-9
8.3.2
Generic Filter Rule...........................................................................................................8-14
8.4
Filter Types and NAT ..............................................................................................................8-16