Set Up The Nat Router (Using Zywall Usg Device In This Example) - ZyXEL Communications ZyWALL 110 Handbook & Instructions

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Go to CONFIGURATION > VPN > IPSec VPN > VPN Gateway > Show Advanced
Settings. Configure Authentication > Peer ID Type as Any to let the ZyWALL/USG
does not require to check the identity content of the remote IPSec router.
Figure 58 CONFIGURATION > VPN > IPSec VPN > VPN Gateway > Show Advanced
Settings > Authentication > Peer ID Type
Set Up the NAT Router (Using ZyWALL USG device in this
example)
Go to CONFIGURATION > Network > NAT > Add. Select the Incoming Interface
on which packets for the NAT rule must be received. Specified
the User-Defined Original IP field and Type the translated destination IP address
that this NAT rule supports.
Figure 59 CONFIGURATION > Network > NAT > Add
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