Well, provided you're using DHCP this looks like you have a properly configured network-connection.
Are you sure, that your browser is configured properly? What does your browser show if you try to open a webpage?
Please look at /etc/resolv.conf, is there a correct entry of the DNS-server?
OK, if this all is set up properly, could you please run tcpdump (or a similar program) and then send a ping to your router and (for example) www.linuxquestions.org
. Please capture the output and post it here.