ZyXEL Communications ZyWall USG 2000 User Manual page 432

Chapter 28 L2TP VPN Example
13 Type ZyWALL WAN_IP in the Name field. Clear the Use Add Wizard check box
and click Add.
Figure 306 IP Security Policy Properties: IP Filter List > Add
14 Configure the following in the Addressing tab. Select My IP Address in the
Source address drop-down list box. Select A specific IP Address in the
Destination address drop-down list box and type the ZyWALL's WAN IP address
(172.16.1.2 in this example) in the IP Address field. Make certain the Mirrored.
Also match packets with the exact opposite source and destination
addresses check box is selected and click Apply.
Figure 307 Filter Properties: Addressing
432
172 . 16 . 1 . 2
ZyWALL USG 2000 User's Guide