linux box ethernet not detecting connection to router
I've got really strange issue with eth.
I had router Linksys* E3000*connected to modem. On that router I had linux box connected and many other clients also. Things worked.
Now I replaced Linksys with new router (Asus RT-n66u), connected all things same as before. Everything works (all clients connected) but only this linux box doesn't obtain ip from router. The led on the router doesn't* turn on at all when cable plugged in. The led will turn on when box is restarted but will turn off when booting passes GRUB or so. If I* pause booting at GRUB led will stay on and will turn off when it continues booting.
I checked cable, I tryed all ports on Asus router, I connected the linux box to two other routers - it works fine there and it obtains ip (both routers have different ips).
Network card on the linux box is jmicron jmx251 1gigabit.
Thank you for any help.
Last edited by agatone; 12-24-2012 at 12:09 AM.