Complete these steps to configure the Cisco VPN 3005-1 Concentrator with an IP address of 172.16.172.36.
Select Configuration > System > Tunneling Protocols > IPSec > LAN-to-LAN > Modify to define a LAN-to-LAN tunnel with the Cisco VPN 3005-1 Concentrator (172.16.172.36).
One important thing to notice is that the IP addresses in Local Network and Remote Network need to be the translated IP subnets as planned in the translation table