ZyXEL Communications Prestige 791R, User Manual

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Prestige 791R G.SHDSL Router
x Table of Contents
11.1.5 NAT Mapping Types .......................................................................................................11-4
11.1.6 SUA (Single User Account) Versus NAT .......................................................................11-6
11.2 Applying NAT .........................................................................................................................11-6
11.3 NAT Setup ...............................................................................................................................11-7
11.3.1 Address Mapping Sets .....................................................................................................11-8
11.4 NAT Server Sets – Port Forwarding ......................................................................................11-14
11.4.1 Configuring a Server behind NAT.................................................................................11-15
11.5 General NAT Examples.........................................................................................................11-17
11.5.1 Example 1: Internet Access Only...................................................................................11-17
11.5.2 Example 2: Internet Access with an Inside Server.........................................................11-19
11.5.3 Example 3: Multiple Public IP Addresses With Inside Servers .....................................11-20
11.5.4 Example 4: NAT Unfriendly Application Programs......................................................11-24
ADVANCED MANAGEMENT...................................................................................................................III
Chapter 12 Filter Configuration...............................................................................................................12-1
12.1 Filtering Overview...................................................................................................................12-1
12.2 Filter Set Configuration ...........................................................................................................12-4
12.2.1 Filter Rules Summary Menus ..........................................................................................12-8
12.3 Filter Rule Configuration.........................................................................................................12-9
12.3.1 TCP/IP Filter Rule .........................................................................................................12-10
12.3.2 Generic Filter Rule.........................................................................................................12-14
12.4 Filter Types and NAT ............................................................................................................12-16
12.5 Example Filter........................................................................................................................12-16
12.6 Applying Filters and Factory Defaults...................................................................................12-20
12.6.1 Ethernet Traffic..............................................................................................................12-20
12.6.2 Remote Node Filters ......................................................................................................12-21
Chapter 13 SNMP Configuration .............................................................................................................13-1
13.1 SNMP Overview......................................................................................................................13-1
13.2 Supported MIBs.......................................................................................................................13-2
13.3 SNMP Configuration ...............................................................................................................13-2
13.4 SNMP Traps ............................................................................................................................13-3
Chapter 14 System Maintenance..............................................................................................................14-1
14.1 System Maintenance Overview ...............................................................................................14-1
14.2 System Status...........................................................................................................................14-1
14.3 System Information..................................................................................................................14-3
14.3.1 System Information..........................................................................................................14-3
14.3.2 Console Port Speed ..........................................................................................................14-5
14.4 Log and Trace ..........................................................................................................................14-5
14.4.1 Viewing Error Log...........................................................................................................14-5
14.4.2 Syslog ..............................................................................................................................14-6
14.5 Diagnostic ................................................................................................................................14-8
Chapter 15 Firmware and Configuration File Maintenance .................................................................15-1