Questions tagged [nic]

NIC stands for a network interface controller (also known as a network interface card, network adapter, LAN adapter and by similar terms). It is a computer hardware component that connects a computer to a computer network.

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Bizarre behavior Ubuntu 18.0.4.4 & 20.04 LTS

So one of my headless servers was updated to 18.04.4 and suddenly the nic went down. Okay, figured that maybe it was the update fubar'd the network configuration. Pull the server and throw it on my ...
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I need to change a PCI bus number for my NIC. (SETPCI)

after running lspci | grep net -i I have discovered that my NIC sits on the following bus:- 00:14.3 Network controller how can I make it sit on any other bus ID ? lets say for Ex. 00:01.0 instead ...
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Trouble getting a bridge working with GNOME Boxes [closed]

I set up a Fedora VM using GNOME Boxes. I can launch it, everything's OK. I'm using virt-manager and I want to create a bridge so that I can get the VM on the network, but every time I attempt ...
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Ubuntu PC vs ethernet

I have been experiencing a conflict so bizarre between my ubuntu PC vs my tp-link router that I don't know where or what to be searching for. A few months ago, I assembled an AMD-ryzen + ASUS prime ...
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ubuntu 19.10 two network interfaces

I have a problem, Can I set up two NIC interfaces on this ubuntu distribution? First interface with dhcp4 auto and second interface with static ip adress? I'm looking up solutions for this problem ...
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Virtual interface

I have a vps with a provider. It has 2 interfaces eth0 and eth0:1, each with one ip. One ip has normal web rules. The other one I want to restrict to only accept traffic to port 5001-5999 Regards ...
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How to check if my PC has a 'Intel 82599 10 Gigabit Ethernet Controller'

How can I check through Ubuntu terminal if Intel@ NIC of my PC has Intel 82599 10 Gigabit Ethernet Controller
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14.04: Enabling the 2nd NIC on the server [closed]

I have read a lot of posts and tried all the suggested work but still no luck. I have a server with 2 onbord nic, em1 and em2. Both are configured as follow iface em1 inet static role ...
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Ubuntu 18.04 net-installation from USB on MSI Z270 motherboard NIC driver error

When doing a fresh install off of USB where setup is configuring DHCP, I get an error where there are no hardware available and stops. I believe I need to point the setup to the path of the driver, ...
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How to add an Virtual NIC in Ubuntu 18.04.3 LTS Server [duplicate]

This is my netplan .yaml file. # This file is generated from information provided by # the datasource. Changes to it will not persist across an instance. # To disable cloud-init's network ...
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USB NIC cause: *** buffer overflow detected ***: python terminated

debugging a lot my software (python+compiledC++) on different machines (workstations and laptops with same OS Ubuntu 18.04 64 bit) I figured out that by using my USB Type C Network adapter (and the ...
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Why NIC name always change after reboot?

I'm managing lots of servers which runs Ubuntu 18.04 server. And it has at lest 4 NIC for each server. My server will reboot every weekend, and I always found the NIC name changed after reboot. ...
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I have a intel AC 8260 and cant find the drivers

Hi I bought this part https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.amazon.com/1200Mbps-Ubit-Bluetooth-Dual-Band-PC-Shipped/dp/B07JNMZWZL&ved=2ahUKEwj-...
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Ethernet controller

My Ethernet interface doesn't work: [![enter image description here][1]][1] Someone help me configure my ethernet port. When I insert my ethernet cable, the port blinks but nothing happens to my ...
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Network Card working only at 100

I installed Ubuntu 16.0 on a Dell 7010 desktop, but the network card only connects at 100mbps. I installed a second TPlink network card and that also works only at 100mbps. The same network cards ...
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netplan default gateway / route Internet traffic to WiFi

I need help with a (simple) network configuration with netplan. It is very simple, I have 2 NICs: enp5s0 is ethernet and give access to the company network, and wlp4s0 is WiFi and give access to ...
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ethernet stays powered on after system shutdown

After update kernel from 4.10.x to 4.15.0-50 Ethernet stays powered on (led flashing) after system shutdown this can start up machine on plug in Ethernet cable, turn on router lspci|grep Ethernet 03:...
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Second NIC makes Gigabit Ethernet drop to 100mbit

I got a computer hosting VMs. This computer has TWO gigabit Ethernet cards. Whenever I connect the a cable to the second NIC, the speed of the first drops to 100mbit even though it is seen as a ...
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Ubuntu 18.04.2 LTS NIC Drivers work, Alt 18.04.2 NIC Drivers don't work

DHCP seems to work just fine with the normal LTS server iso. However the drivers on the LTS (Bionic Beaver) don't allow DHCP to work, and I can only ping some local addresses. The goal is to have my ...
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Dual Boot Ubuntu 18.04 & Windows 10, cannot connect to ethernet in Ubuntu

I recently installed Ubuntu on a machine that runs windows 10. Everything works except for Ubuntu connecting to the wired internet (no wifi). The internet works in windows. I have tried a few ...
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Network Card (NIC RTL8111HS) Driver installation 18.04

I just installed Ubuntu Server (Bionic Beaver) on a new PC. It seems like my internet connection does not work at all (pinging Google does not work and the orange LED on the ethernet port lights ...
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Ubuntu 18.04 PXE-booting with Realtek r8152-based NIC, no interface found

I am upgrading my PXE boot infrastructure with 18.04, but I am running into a consistent problem with our Dell XPSen - when PXE-booting from the official Dell FM76N (Realtek r8152-based) USB NICs, the ...
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My Nic is using two different IPs. I do not want one of them

Recently I changed my network from 192.168.1.0 to 192.168.100.0. My ubuntu desktop seemed to cope well but after a restart, wouldn't get out to the internet, but I could ssh to it and ping it on the ...
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How to check network bandwidth capacity in my Ubuntu device?

I need to check my ethernets cards network bandwidth capacity. The software instructions gives this command: sudo ethtool eth0 | grep Speed But when I try to run it in Ubuntu, I get this error: ...
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RTL8188ee WiFi very slow

I recently bought a tp-link Archer wn781nd for my desktop. The WiFi speed is very slow compared to my laptop. My OS is Ubuntu 16.04 kernel 4.13.0 -41 I had a similar problem when using my laptop ...
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How can I create a bond interface in Ubuntu 18.04?

I'm trying to reinstall an Ubuntu server to 18.04. I discovered that 18.04 uses Netplan, and I'm having trouble creating a bond interface using this. Updated configuration: ############# BOND - ...
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multiple NICs under ubuntu 18.04

How to translate what we had to do to have 2 independent stream of traffic on 2 or more NIC interfaces with the new netplan.io + systemd-networkd? auto ens2 iface ens2 inet static address 192.168.5....
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disabled NIC on 17.10 - now can't get NIC enabled

I'm an Ubuntu N00b and to be "extra secure" I decided to disable my NIC (on a virtual machine version of Ubunti 17.10) I did quite a bit of searching and trying stuff out with the network adapters ...
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Ubuntu 17.10 with two NICs: routing requests to correct NIC

I have done a bunch of searches about this, and found a lot of answers that don't quite seem to fit my question. If this question has been answered already, I apologize. My PC has Ubuntu 17.10, and ...
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555 views

Same hardware & OS, different network adapter name

I'm currently installing 2 new servers, exactly the same hardware & installation procedure. Both machines have 4 NICs, 2 x 1Gbit and 2 x 10Gbit The 1Gbit ones get a different name and I have no ...
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How to directly connect computers that are also on the same LAN?

Here is the layout of my local network: Client (Running Ubuntu 17.10). Server (Running Ubuntu Server 16.04). Simplified ASCII art of my network: Client~~~~~~~Server | | | ...
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If I have bound two IP address on one NIC, So How can I use both at same time ? Or can I switch to each other?

If I have bound two ip address on same NIC in ubuntu 16.04. So how can I use both either at same time or by switching to each other ?
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Wired ethernet connection randomly dropping out on 16.04.3 - can't find workable answer

Having similar issue with wired ethernet randomly dropping out. Sometimes works fine for hours, other times drops out whenever it feels like. Only way I can resolve is to reboot. Network immediately ...
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How to create a virtual network interface in Ubuntu?

I'm testing a network program on Ubuntu. Is there any way to create a virtual network interface in Ubuntu. Something like lo is good, but unfortunately there is bunch of packets on lo with 127.0.0.1 ...
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How can I change my Mac address permanently!?

I am new to Linux platform. I need to change mac address permanently. I tried various methods. Everything thing works on VMware. But not on my Ubuntu system. Did anyone tried to change and succeed!??
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Network Traffic Spiking

I have recently installed an 10 GBit NIC from Asus, the XG-C100C 10 GBit Network Card, which is connected to a Switch using a 5GBit Link. I am using an AMD Threadripper 1950x with an X399 Aorus ...
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Xubuntu 16.04 boots so fast, network not up on-time. Can the test be delayed?

I upgraded my Xubuntu 16.04; removed the SSD disk, installed SSD M2 memory card. Xubuntu now boots in 15sec instead of 40. Unfortunately, the system now boots so fast, the NIC is slower than the boot ...
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How do I setup multiple static IP's on multiple NIC's with one gateway?

I'm using Ubuntu 16.04.3 LTS. Currently I have this in /etc/network/interfaces auto lo iface lo inet loopback auto eno1 inet static address 198.167.16.164 netmask 255.255.240.0 gateway ...
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No Eth0 - Unclaimed I350 - Ubuntu 14.04 LTS

Preface: This is my first time on this site asking questions. I have searched for a solution far and wide and have found nothing. I have a 14.04 server that I set up two months ago, no network issues. ...
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2 nics each with static IP addresses - how to tell only one to accept inbound

I have 2 nics on my motherboard in a Linux Mint 18 box. I have setup static ip addresses for each nic (100 and 101). I want to address the box by a single hostname from remote machines (which means ...
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781 views

Internet access when setting 2 NICS using Iptables

I have set 2 NICS on ubntu. One to internet having IP 192.168.1.101, another to LAN having IP 192.168.1.100 , and internet GW is 192.168.1.1 My configuration is as below using Iptables: iptables -A ...
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TL-WN722N is not recognized

I'm relatively new to Linux. I'm running Ubuntu GNOME (4.8.0-36-generic) on my laptop (Dell Inspiron 5520 15R). I've bought TP-LINK TL-WN722N usb wireless adapter with Atheros AR9271 chipset but my ...
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secondary nic pass trough to qemu-kvm

My hardware setup has 2 nics; first nic is for root ubuntu, and I want my secondary nic only accessible by qemu-kvm (bridge for different VM's) without being seen by the host os. I tried everything, ...
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How to assign two different interface name on the same NIC card (Hardware MAC address)

I am using a Ubuntu Linux system. For my task I have to run some modules by executing the respective scripts. All the modules must run at the same time in the background but all have different ...
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how to configure RTL8101/2/6E PCI E to detect link

I have a newly acquired dell notebook that came with a RTL8101/2/6E PCI E Ethernet card installed. After scouring the Internet I can not find any solutions to get it to detect the cat5 cable when ...
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101 views

How to put NIC on different CPU socket? [closed]

I want NICs in the different sockets, because for now I have NIC on the same CPU socket. Could you help me how to change it? I've attached how it looks like for now:
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Ubuntu 16.04 - cannot re-connect the WiFi network after connection changes

Say my Ubuntu laptop connected to a WiFi network. For some reason I had to restart my wireless router. After the router rebooted successfully, the WiFi network list will not update itself and only ...
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77 views

3 NICs, one connected to GW, the other two to 1 host each. How to connect hosts?

i'm doing some tests for my class, i have a Ubuntu Server 16.04, totally stock. This server has 3 Ethernet NICs, one of them is connected to my gateway, 192.168.1.1, and the other two are connected ...
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How to find out what driver the Ethernet NIC is using?

I have a 10Gbps Ethernet NIC on my Ubuntu box which is named eth0. Is there any way to find out which driver is loaded to work with this NIC?
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2k views

Configuring multiple NIC's via preseeding (Ubuntu Server 16.04)

This question has been previously asked here, but was closed due to be being too localized. Many people on that thread disagreed with the closure and it was never answered. How do I configure two NICs ...