there are also route-up and route-down, plus just plain route statments that can be placed into your server config.  ;D Please look more carefully at the examples.  You'll be amazed at how customized openvpn can get.

For users portuguese and brazilian http://www.dicas-l.com.br/dicas-l/20060316.php Article in portuguese about Openvpn and create keys

I solved this problme with custom option of push "redirect-gateway". Thank you.