ZyXEL Communications 200 Series - Manual (Page 432)

Chapter 26 L2TP VPN Example
ZyWALL USG 100/200 Series User’s Guide
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Figure 335 IP Security Policy Properties: IP Filter List
13 Type ZyWALL WAN_IP in the Name field. Clear the Use Add Wizard check box and
click Add.
Figure 336 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.