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Hi,

I have a strange problem with my wireguard installation on OPNSense (latest version).
I can connect to Wireguard, get Handshake and can connect to most IPs in the subnet, but not all.

I can even reproduce this with the diagnostic ping inside OPNsense. I can ping the ip, but if I set the source IP to the wireguard subnet, to ping fails.
another device works, even from the wireguard subnet.

I guess, there is some error in the routing table, but I don't really know where to look.

I've attached some screenshots with the ping and the wireguard instance and peer config.
I have a firewall rule on the wireguard interface to allow all traffic from and to everywhere.

any idea?