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The iLO RAC is a completely separate NIC. If you want the OS to have a network connection you must also connect the on-board NIC to the network. I'm guessing you don't have the NIC plugged in, and Ubuntu has no magical powers to make a network connection out of an unplugged NIC.


There is no single protocol for managing switches or other network devices. There are a few systems which allow a single management interface, which is then translated into the native configuration for the device (hopefully with some degree of fidelity); but these are neither standardizes or widely deployed.


LAN connections should be wired with T568A or T568B. The only significant difference is the green and orange the pairs are switched between the two standards. T568B is a revision of T568A, and either should work. Both ends of each cable must use the same standard. However, you can mix and match cables using both standards. USOD appears to be be a ...


Swap it out for a different working switch. If it is still broken then your network topology HAS changed.


Ok so after posting this question last night night I continued to do some research the only real solution I came across seems to have taken care of the problem. Disabling TSO, GSO and GRO using ethtool: ethtool -K eth0 gso off gro off tso off According to a post found here: http://ehc.ac/p/e1000/bugs/378/ From what I understand this will or can cause a ...


I suspect for some reason your CPE is configured to send the packets with 802.1q VLAN tagging: http://en.wikipedia.org/wiki/IEEE_802.1Q This would be the case if the prepended tag started with 0x8100. It could also be a bug in the CPE firmware, or some other kind of tagging, perhaps. Duplicating the packets seems odd.

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