How to create a IPSEC with phase 2 connection

Hi Xuan,

Thank you for reaching out to Sophos Community.

I recommend checking both sides' VPN logs(Charon.logs for Sophos) to give us more details about what is happening. 

Can I also inquire about the version of your Sophos Firewall?

• Check logs and configurations
• Sophos Firewall: Troubleshooting site-to-site IPsec VPN issues

Also. kindly see KB's for references

• https://www.youtube.com/watch?v=jPudMe2qRSM
• https://community.fortinet.com/t5/FortiGate/Technical-Tip-Set-up-IPsec-VPN-between-FortiGate-and-Sophos-XG/ta-p/291023
• https://www.sophos.com/en-us/medialibrary/PDFs/documentation/SophosFirewall/Pocket-Guides/Establish-IPsec-VPN-Connection-between-Sophos-and-Fortigate-with-IKEv2.pdf
•  Can't establish a IPSEC tunnel btw Sophos XG and Fortigate 

Hi Xuan,

Thank you for reaching out to Sophos Community.

I recommend checking both sides' VPN logs(Charon.logs for Sophos) to give us more details about what is happening. 

Can I also inquire about the version of your Sophos Firewall?

• Check logs and configurations
• Sophos Firewall: Troubleshooting site-to-site IPsec VPN issues

Also. kindly see KB's for references

• https://www.youtube.com/watch?v=jPudMe2qRSM
• https://community.fortinet.com/t5/FortiGate/Technical-Tip-Set-up-IPsec-VPN-between-FortiGate-and-Sophos-XG/ta-p/291023
• https://www.sophos.com/en-us/medialibrary/PDFs/documentation/SophosFirewall/Pocket-Guides/Establish-IPsec-VPN-Connection-between-Sophos-and-Fortigate-with-IKEv2.pdf
•  Can't establish a IPSEC tunnel btw Sophos XG and Fortigate