How to fix non-Nebula VPN tunnel with Phase 2 policy mismatch

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Zyxel_James
Zyxel_James Posts: 663  Zyxel Employee
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Scenarion:
I was trying to configure non-Nebula VPN between two different Nebula orgs. The configuration was configured correctly, but the event logs show "Phase 2 policy mismatch".
What happen?

Answer:
It could be remote subnet is mismatched.
For Site_A, there are 3 local interfaces enabled for Site-to-Site VPN, and the firewall will take the first interface as the local subnet which is not matched to the remote subnet for Site_B.
How to fix: Edit IPSec Policy, and input the correct subnet to VPN tunnel interface

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