Description | This article discusses the IPSec Tunnel Debug Flow error 'offloading-check failure with reason_code=1.' |
Scope | FortiGate. |
Solution |
If a ping or any traffic to pass through the IPSec VPN tunnel is initiated, the following log entry in the debug flow for IPSec Tunnel traffic: 'offloading-check failed, reason_code=1' is observed. This error occurs when NPU Offloading on the IPSec tunnel configuration has been disabled.
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Sample configuration:
config vpn ipsec phase1-interface |
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