client 1 using IP Private .
client 1 using IP private.
i think u need add nat (src nat) from client A in your MT box.
i try this , but not working on 2.7 and 2.8.27If you want to drop all p2p add this rule on firewall:Check connection connection tracking is enabled on the firewall, so the router can identifie p2p trafficCode: Select all/ip firewall filter add chain=forward p2p=all-p2p action=drop