OpenVPN net2net client-to-client network traffic

NethServer Version: 7.3.1611 (rc3) + last upd
Module: OpenVPN
i create OpenVPN tunnel net2net, it’s work fine.
i create account vpn client, client connected, it’s work fine.

i checked "Allow client-to-client network traffic"
if i ping from client to client it’s ok
if i ping from client to net2net network behind the slave server - no ping.

Please verify the log (/var/log/firewall.log), also check the routing table.