Non-Nebula VPN peer is connected but no traffic after Nebula 18.30 is released

Zyxel_Emily

Question:
The connectivity status of Non-Nebula VPN peer is connected but no traffic runs on inbound and outbound after Nebula 18.30 is released. How to resolve this issue?

Answer:
It is a bug on Nebula 18.30. Please follow the steps to resolve the issue.

1. Go to Configure > Firewall > Site-to-Site VPN > Non-Nebula VPN peers.
   Uncheck the box next to Name of Non-Nebula VPN peer to disable this Non-Nebula VPN peer.
   Click "Save" to save the settings.
   
2. Check the box next to Name of Non-Nebula VPN peer again to enable this Non-Nebula VPN peer.
   Click "Save" to save the settings.
   
3. Wait for 3-5 minutes. Go to Monitor > Firewall > VPN connections and check "Inbound" and "Outbound" in Non-Nebula VPN peers connectivity.