Prestige 650 ADSL Router

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

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Table of Contents