Asus SL1200 - Manual (Page 135)

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Chapter 10 - Configuring VPN
ASUS SL1200
Figure 10.4. Intranet VPN Policy Configuration on ISR1
Step 1: Configure VPN connection rules
Refer to the section
10.3 Establish VPN Connection Using Automatic
Keying to configure VPN policies on ISR1 using automatic keying.
Step 2: Configure Firewall rules
1. Configure outbound Firewall rule to allow packets from 192.168.1.0/255.
255.255.0 to 192.168.2.0/255.255.255.0 without any NAT
2. Configure inbound Firewall rule to allow packets from 192.168.2.0/255.2
55.255.0 to 192.168.1.0/255.255.255.0 without any NAT.
Table 10.6 and Table 10.7 provide the parameters to be configured for the
outbound and inbound Firewall rule fields. For a general description on
configuring any inbound/outbound Firewall rule, refer to sections 9.3 and
9.4.