ZyXEL Communications 650 Chapter 6 Bridging Setup

Prestige 650 ADSL Router

4.1.2		Encapsulation and Multiplexing Scenarios........................................................................	4-2
4.1.3		Outgoing Authentication Protocol .....................................................................................	4-6
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

viii Table of Contents