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With multiqueue NICs, additional performance improvements can be achieved by distributing outgoing traffic among different transmit queues. Usagi – A confusing sign at this point. Each receive queue is assigned to a separate interrupt ; by routing each of those interrupts to different CPUs or CPU cores , processing of the interrupt requests triggered by the network traffic received by a single NIC can be distributed improving performance. Sign up or log in Sign up using Google. That way, taking the application locality into account results in higher overall performance, reduced latency and better hardware utilization, resulting from the higher utilization of CPU caches and fewer required context switches. I am using Ubuntu

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Ubuntu messes with bios settings or something for the LAN controller. It seems to mess up the controller pretty good. Loading bios defaults did not help. Not to be confused with network interface device. Retrieved November 16, Retrieved May 2, Retrieved 19 May I think I already know the answer to my question, but are there any other possible explanations, or is it dead?

Retrieved May 12, Articles containing potentially dated statements from November All articles containing potentially dated statements. Did you lose power recently or brown outs? The low cost and ubiquity of the Ethernet standard means that most new computers have a network interface controller built into the motherboard. A separate network card is typically no longer required unless additional independent network connections are needed or some non-Ethernet type of network is used.


Modern network interface controllers offer advanced features such as moyherboard and DMA interfaces to the host processors, support for multiple receive and transmit queues, partitioning into multiple logical interfaces, and on-controller network traffic processing such as the TCP offload engine. Network controllers were originally implemented as expansion cards that plugged into a computer bus.

My ethernet is no longer functional under all three of the operating systems. I was experiencing random momentary internet outages before everything finally went dark. Retrieved March 26, A network interface controller NICalso known as a network interface cardnetwork adapterLAN adapter or physical network interface[1] and by similar terms is a computer hardware component that connects a computer to a computer network.

Would you say the port is dead?

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I tried Ubuntu live cd without installing it few days back and today my Realtek L stopped working in windows. I don’t understand why it worked but it did: Sign up using Facebook. Sign up using Email and Password. The NIC may distribute incoming traffic between the receive queues using a hash function. A s Ethernet network interface controller that connects to the motherboard via the now-obsolete ISA bus.


It didn’t show up under network connections at all. I’ve checked the connection on a couple of other machines and everything worked fine.

Retrieved September 24, Maybe some internal state embedded controller memory stayed in some inconsistent state, I dont know. I thought my Asus Z97 onboard LAN was dead until I decided to power off the computer completely remove power cord for a little while and suddenly it became alive.

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LEDs adjacent to or integrated into the network connector inform the user of whether the network ehternet connected, and when data activity occurs. The NIC may use one or more of the following techniques to indicate the availability of packets to transfer:.

I tried both of these and the led on the port does not light. How do I know when my on-board ethernet is dead?