There is no connection. [HELP]

[agustinrojen]

 I used this setup for my firewall. I receive internet from my modem to my firewall. It is okay. But when i connect.my switch to the other lan port of my firewall and connect other pc. to switch. There is no connection. What do i need to do? Pls help. Please see attachment

[franco]

Please don't triple-post.