Remote Access Network via VPN and NAT

Question

Hello, 
 we have a Sophos XG115 Firewall and we need to connect to another company who hosts our (future) software. These company gave us the vpn specification we need (an we cannot change anything on these data) to connect to their cisco router. However, the VPN connection is online, but i cannot get any traffic through to the remote network. The other company told us we have to use NAT, but tried already. We already called 2 sophos hotlines for solve that problem, but till now nobody solved it. Any ideas here? Thanks. 
 
 Sophos PDF.pdf

Bharat J · Answer

Hi J&uuml;rgen Beiler 
 Please create firewall rule from VPN to and LAN and LAN to VPN to troubleshoot as below and keep on top, still, ping is not working open the VPN-LAN firewall rule and click on "Create Linked NAT rule" and apply MASQ under SNAT and save the settings and save the same firewall rule, 
 
 Please check the packet flow and share the screenshot showing the packet is going OUT of ipsec0 ? 
 https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/AdministratorHelp/Diagnostics/PacketCapture/DiagnosticsPacketCaptureFilterConfigure/index.html 
 Thanks and Regards

Remote Access Network via VPN and NAT

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