ZyXEL Communications 1600 manual 7

		Prestige 1600 Universal Access Concentrator
9.1.3		How NAT works ...................................................................................................................................	9-2
9.1.4		NAT Mapping Types ............................................................................................................................	9-2
9.1.5 SUA (Single User Account) Versus NAT.............................................................................................			9-3
9.2 SMT Menus ...................................................................................................................................................			9-3
9.2.1 Applying NAT in the SMT Menus .......................................................................................................			9-3
9.2.2		Configuring NAT ..................................................................................................................................	9-5
9.2.3 Address Mapping Sets and NAT Server Sets:.......................................................................................			9-5
9.2.4		Ordering Your Rules .............................................................................................................................	9-7
9.3 NAT Server Sets............................................................................................................................................			9-9
9.3.1 Multiple Servers behind NAT ...............................................................................................................			9-9
9.3.2		Configuring Inside Servers....................................................................................................................	9-9
9.4 Examples.....................................................................................................................................................			9-10
9.4.1		Internet Access Only ...........................................................................................................................	9-10
9.4.2 Example 2 - Internet Access with a Default Inside Server..................................................................			9-11
9.4.3		Example 3 - General Case...................................................................................................................	9-12
9.4.4 NAT Unfriendly Application Programs..............................................................................................			9-14
9.4.5		Example 4 - Remote Management ......................................................................................................	9-14
9.4.6 Applying NAT to the Ethernet Port ....................................................................................................			9-14
Chapter 10		Filter Configuration............................................................................................................................................	10-1
10.1	About Filtering .........................................................................................................................................		10-1
10.2 The Filter Structure of the Prestige .........................................................................................................			10-1
10.3 Configuring a Filter Set............................................................................................................................			10-3
10.3.1 Filter Rules Summary Menu ...........................................................................................................			10-4
10.4 Configuring a Filter Rule..........................................................................................................................			10-5
10.5 Filter Types and NAT ...............................................................................................................................			10-5
10.5.1		TCP/IP Filter Rule...........................................................................................................................	10-6
10.5.2		Device Filter Rule ...........................................................................................................................	10-9
10.6	Applying a Filter.....................................................................................................................................		10-11
10.6.1		Ethernet traffic ..............................................................................................................................	10-11
10.6.2		Remote Node Filters .....................................................................................................................	10-12
10.7	Filter Example........................................................................................................................................		10-12
10.7.1 Configuring a FTP_WAN Filter Rule...........................................................................................			10-12
Chapter 11		SNMP Configuration ..........................................................................................................................................	11-1
11.1	About SNMP............................................................................................................................................		11-1
11.2	Supported MIBs.......................................................................................................................................		11-2
11.3	SNMP Configuration................................................................................................................................		11-2
11.4	SNMP Traps ............................................................................................................................................		11-3
Table of Contents			vii