ZyXEL Communications 2WE manual 22

ZyWALL 2 and ZyWALL 2WE

Figure 25-3 Applying Schedule Set(s) to a Remote Node (PPPoE)..............................................................	25-4
Figure 25-4 Applying Schedule Set(s) to a Remote Node (PPTP) ...............................................................	25-5
Figure 26-1 Encryption and Decryption .......................................................................................................	26-2
Figure 26-2 VPN Application .......................................................................................................................	26-3
Figure 26-3 IPSec Architecture.....................................................................................................................	26-4
Figure 26-4 Transport and Tunnel Mode IPSec Encapsulation.....................................................................	26-5
Figure 27-1 IPSec Summary Fields ..............................................................................................................	27-3
Figure 27-2 VPN Summary ..........................................................................................................................	27-3
Figure 27-3 NAT Router Between IPSec Routers.........................................................................................	27-5
Figure 27-4 Basic IKE VPN Rule Setup.......................................................................................................	27-8
Figure 27-5 Two Phases to Set Up the IPSec SA........................................................................................	27-12
Figure 27-6 Advanced IKE VPN Rule Setup .................................................................................................	27-15
Figure 27-7 Manual IKE VPN Rule Setup.....................................................................................................	27-21
Figure 27-8 VPN SA Monitor.....................................................................................................................	27-25
Figure 27-9 VPN Global Setting.................................................................................................................	27-26
Figure 27-10 Telecommuters Sharing One VPN Rule Example.................................................................	27-28
Figure 27-11 Telecommuters Using Unique VPN Rules Example .............................................................	27-29

xxii List of Figures