I have CCR1036-12G-4S ROUTERBOARD.
Can somebody tell me is this board have some limitation of number firewall connection.I have numer of 223618 connection.Resources on board is aboput 32% cpu,memory free about 3129.4.Thanks

IP > Firewall > Connections, at the bottom in the status bar is Max Entries. When you max that out, users can't connect to the internet until some connections are closed.