[Nebula] The status of Site to site VPN is up on Nebula but unable to ping the other site

Zyxel_Kevin

Checking:

1)Firewall will allow related protocol by implicat rule, please ensure you don't have rule block Any to Device

You don't have rule block ESP Protocol from any to Device. Firewall cannot decrypt packets without allowing ESP rule.

2)Check the Private Subnet is reachable.