ZyXEL Communications Prestige 1600 - Manual (Page 7)

Prestige 1600 Universal Access Concentrator
Table of Contents vii
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