FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
Oscar_Wee
Staff
Staff
Article Id 383477
Description This article describes how to resolve Site-to-Site IPsec VPN phase 1 not forming due to a Config ID error message on the remote firewall.
Scope FortiGate.
Solution

Example of Config ID error message on remote firewall:

 

config id mismatch.jpg

 

To troubleshoot this, remove the local ID.

 

Remove local ID.jpg

 

Result: Phase 1 is formed.

 

Related article:

Troubleshooting Tip: IPsec VPN tunnels

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