ZyXEL Communications B-2000 manual 12

ZyAIR B-2000 Wireless LAN Gateway with 4-Port Switch

Figure 5-5 Sample Static Routing Topology...................................................................................................	5-8
Figure 5-6 Menu 12.1 - IP Static Route Setup ................................................................................................	5-8
Figure 5-7 Edit IP Static Route .......................................................................................................................	5-9
Figure 6-1 How NAT Works...........................................................................................................................	6-3
Figure 6-2 NAT Application With IP Alias .....................................................................................................	6-4
Figure 6-3 Menu 4 - Applying NAT for Internet Access.................................................................................	6-6
Figure 6-4 Menu 11.3 - Applying NAT to the Remote Node..........................................................................	6-7
Figure 6-5 Menu 15 - NAT Setup ...................................................................................................................	6-8
Figure 6-6 Menu 15.1 - Address Mapping Sets ..............................................................................................	6-8
Figure 6-7 Menu 15.1.255 - SUA Address Mapping Rules ............................................................................	6-9
Figure 6-8 Menu 15.1.1 - First Set................................................................................................................	6-10
Figure 6-9 Menu 15.1.1.1 - Editing/Configuring an Individual Rule in a Set ..............................................	6-11
Figure 6-10 Menu 15.2 - NAT Server Setup.................................................................................................	6-14
Figure 6-11 Multiple Servers Behind NAT Example....................................................................................	6-15
Figure 6-12 NAT Example 1.........................................................................................................................	6-16
Figure 6-13 Menu 4 - Internet Access & NAT Example...............................................................................	6-16
Figure 6-14 NAT Example 2.........................................................................................................................	6-17
Figure 6-15 Menu 15.2.1 - Specifying an Inside Server ...............................................................................	6-17
Figure 6-16 NAT Example 3.........................................................................................................................	6-18
Figure 6-17 Example 3: Menu 11.3 ..............................................................................................................	6-19
Figure 6-18 Example 3: Menu 15.1.1.1 ........................................................................................................	6-19
Figure 6-19 Example 3: Final Menu 15.1.1..................................................................................................	6-20
Figure 6-20 NAT Example 4.........................................................................................................................	6-21
Figure 6-21 Example 4: Menu 15.1.1.1 ........................................................................................................	6-21
Figure 6-22 Example 4: Menu 15.1.1 ...........................................................................................................	6-22
Figure 7-1 Outgoing Packet Filtering Process ................................................................................................	7-1
Figure 7-2 Filter Rule Process ........................................................................................................................	7-2
Figure 7-3 Menu 21 – Filter Set Configuration ..............................................................................................	7-3
Figure 7-4 NetBIOS_WAN Filter Rules Summary.........................................................................................	7-4
Figure 7-5 NetBIOS_LAN Filter Rules Summary..........................................................................................	7-4
Figure 7-6 TEL_FTP_WEB_WAN Filter Rules Summary.............................................................................	7-4
Figure 7-7 Menu 21.1.1 – TCP/IP Filter Rule.................................................................................................	7-7
Figure 7-8 Executing an IP Filter..................................................................................................................	7-10
Figure 7-9 Menu 21.4.1 – Generic Filter Rule..............................................................................................	7-11
Figure 7-10 Protocol and Device Filter Sets.................................................................................................	7-13
Figure 7-11 Sample Telnet Filter ..................................................................................................................	7-13
Figure 7-12 Sample Filter – Menu 21.3.1.....................................................................................................	7-14
Figure 7-13 Sample Filter Rules Summary - Menu 21.1 ..............................................................................	7-15
Figure 7-14 Filtering Ethernet Traffic...........................................................................................................	7-16
Figure 7-15 Filtering Remote Node Traffic ..................................................................................................	7-16
Figure 8-1 SNMP Management Model...........................................................................................................	8-1

xii List of Figures