Openvpn remote client to remote client traffic
I have a a number of clients connected to pfsense using openvpn. I have created a rule to allow any traffic from a source of the openvpn client ip range. I was working but has now stopped working and i am unable to ping between clients. I have tried adding a separate rule to allow ICMP only and this doesn't make any difference.
It appears that the issue may be that the clients are give an ip address with a 255.255.255.252 subnet mask even though it is set to 255.255.255.0 on the server.
You need to check topology subnet, not /30. There will NOT be any ping between clients with the default /30 topology.