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VPN connectivity help

Hello, good morning.

I will try to explain how it is structured and what we need, for this I attach scheme that can help to understand it. All the information you need ask me. Thank you very much in advance.


Scenario:
- Firewall CT and Firewall SJ connected through VPN tunnel managed by the Internet Service Provider (ISP).
- SJ Firewall and CLOUD Firewall connected through VPN tunnel managed by us with XG firewalls.

Objective:
To have connectivity from LAN 192.168.79.0 (Source A) to LAN 10.10.10.0 (Target B).

Current situation:
VPN tunnels are correctly connected but performing ping and tracert tests we have connectivity up to SJ 192.168.77.34 firewall and there the packets stay.

Configurations:
- Firewall CT
    Routing 192.168.77.0 / 255.255.255.0    Gateway 192.168.79.98

- Firewall SJ
    Routing 192.168.79.0 / 255.255.255.0    Gateway 192.168.77.98
    
    VPN IPSec
    Local subnet: 192.168.77.0, 192.168.79.0
    Remote subnet: 10.10.10.0
    
    Rules
        LAN - VPN
        Source: LAN
        Source Networks: 192.168.77.0 192.168.79.0
        Destination: VPN
        Destination Networks: 10.10.10.0
        
        VPN - LAN
        Source: VPN
        Source Networks: 10.10.10.0
        Destination: LAN
        Destination Networks: 192.168.77.0 192.168.79.0
        

- Firewall CLOUD
    VPN IPSec
    Local subnet: 10.10.10.0
    Remote subnet: 192.168.77.0 192.168.79.0
    
    Rules
        LAN - VPN
        Source: LAN
        Source Networks: 10.10.10.0
        Destination: VPN
        Destination Networks: 192.168.77.0 192.168.79.0
        
        VPN - LAN
        Source: VPN
        Source Networks: 192.168.77.0 192.168.79.0
        Destination: LAN
        Destination Networks: 10.10.10.0



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