Go to CONFIGURATION > VPN Connection > Policy > Local Policy, select it be to the
NAT router's WAN IP address (in the example, 172.100.20.30).
CONFIGURATION > VPN Connection > Policy > Local Policy
Go to CONFIGURATION > VPN > L2TP VPN > Create new Object > User to add
User Name and Password (4-24 characters). Then, set Allowed User to the newly
created object (L2TP_Remote_Users/zyx168 in this example).
CONFIGURATION > VPN > L2TP VPN > Create new Object > User
www.zyxel.com
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