Since the server was allready in production, I've installed Intel PCIe NIC adapter 'cause I had no more time to experiment, and that NIC is working without any problems. Thx, folks far all suggestions.
** Changed in: linux (Ubuntu) Status: Opinion => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1048817 Title: Connectivity issues with BCM5722 based Nic on Dell T110ii server running 12.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1048817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs