S2S VPN issue

[er.sandeepkyadav]

Hi everyone ,

I have a topology  there are 2 firewall at my side ASA1 (Internet firewall) and ASA2 (Internal Firewall ) , ASA1 mange by other one . 3rd party wants to make VPN with ASA2 .we have a public ip (205>xx.xx.xx) witch is provide by ASA1 managing team. i have no free interface @ ASA2 to configure public ip .please help me out to configure vpn . there are below quires - 

1. what configuration  i need to configure @ ASA2

2.what configuration require @asa1 end .

3. can i use VTI , IF yes please help me out to configure the VTI .

[lwilfredoflor]

Hi there,

the following options:

1. you could stablish vpn S2S to FW2 through FW1 doing 1:1 Nat on FW1.

2. the other one si to create sub interface btw FW1 and FW2 and assign this address space to interface.

Regards,