Problem connecting to the internet through router

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https://bbs.archlinux.org – I recently bought a noname wireless router (abit 5002), I configured it and everything works perfectly, except that i can't connect to the internet from linux using the ethernet cable. My phone and laptop detect and connect to it flawlessly, also right now im connected using the ethernet cable from Windows 7. A thing i noticed is that the ethernet port light on my pc blinks intermittently, this happens only when i boot to linux. Only 2 PCs are connected directly to the router, this (dual boot) and another one which uses windows which also works normally.dmesg | tail shows that my nic cons (HowTos)