Thanks to this article Sharing Connection to other PCs (Via Wired Ethernet) I am able to connect my TV to the internet. But my TV is not able to connect to WMS Windows Media Server running on other PC's in my home network. I would suspect that a 'normal' bridge simply forward packages. But it looks like my TV, connected through a laptop running Ubuntu 12.04 LTS, can not see the media server service on my Windows7 dekstop. Has anyone suggestions how to check the settings, or even how to make the connection work? Thanks to the comments, the problem seems to be that my TV is on another subnet than my laptop and DLNA-server. How can I configure my settings on the laptop, so my TV gets on the same subnet?
If I understood you correctly the TV is able to access the Internet but it can't reach the Windows media server? When I set up a DNLA server in my network (used universal media server) I forgot to open the port on my firewall. My setup slightly differs to yours, however, since my TV is connected directly to the network. It might be worth checking though ;)