IPsec VPN between RUTM51 and FortiGate not working

Hello,

I have configured IPsec Tunnel between FortiGate and RUTM51, and the Tunnel is UP and connected, but the probleme i am not able to ping between both sites, the configuration from the Fortigate site i am sure that is okay, but i am not sure with the RUTM configuration.

i created a new lan 172.18.0.0/24 on the Port 3/4 and i trying to ping from this subnet to my remote site 10.0.0.0/8. but nothing work.

can someone tell me, how can i Troubleshoot it.

thnx

Hello,

Apologies for a delayed response.

Could you confirm if you are still facing issues with your IPsec setup between FortiGate and RUTM51? If so, would it be possible to provide any logs from the FortiGate tunnel side or RUTM51?

Additionally, I’d recommend checking the IPsec site-to-site wiki configuration example between Teltonika and FortiGate devices available here: IPsec site to site configuration between Teltonika and Fortigate devices, especially the site-to-site configuration with multiple LANs section.

Best regards,

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