Wireguard Site2Site Tunnel is working but Clients are not reachable

[Kisters]

Hi all,
I am faced with a problem that is probably easy to solve.
I have 2 OpnSense firewalls and a Wireguard Site2Site VPN set up there.



Local Network Site A: 10.1.0.0/24
Instance Tunnel IP 10.10.10.1
Allowed IP's Peer: 192.168.100.0/24

Local Network Site B: 192.168.100.0
Tunnel IP 10.10.10.2
Allowed IP's Peer: 10.1.0.0/24


The corresponding routing rules were created automatically.
Firewall rules for the LAN and the WG interface are currently still set to Allow Any

The tunnel is set up and the firewalls reach each other, but I can't ping clients from one or the other firewall
and it doesn't work from client to client either. Only the firewalls themselves can be reached via the WG tunnel.

Where have I made a mistake here?


Thanks for your support.

Best regards Tim