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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How can I verify the speed of my NIC in ubuntu?
Is there a command that I can verify by its output the speed of my NIC and some information about its characteristics such as duplex full or half .
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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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Set up two IP addresses with one gateway?
I would like to ask if it is possible to set up two static IPs from same subnet through one gateway? and How if it is?
What I am interested in is described here Routing for multiple uplinks/providers,...
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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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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 wireless card's regulatory domain (Dbm higher than 30)?
For educational purposes we are trying to change the wireless devices txpower higher than domain regulations per country...
To operate outside of specific bands or power levels, we know you have to ...
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2
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No network interfaces detected when installing Ubuntu Server on Mac Mini [duplicate]
I have a new Mac Mini (MacMini6,1 late 2012) that I would like to install Ubuntu Server 13.04 (ubuntu-13.04-server-amd64+mac.iso) on. But it seems like Ubuntu Server isn't able to detect my network ...
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Can't set static IP on Ubuntu
I recently installed Ubuntu Desktop 13.10 and I am trying to set up static IP by changing the /etc/network/interfaces file from:
# interfaces(5) file used by ifup(8) and ifdown(8) ...
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2
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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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Fastest way to copy lots of data
I have to copy a lot of files (60000+) between two servers, which is approx 5TB of data.
I've tried mounting the backup server as a folder, and copying the files that way, but I couldn't get the ...
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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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2 Ubuntu servers, A is connected to B via ethernet. server B has 2 NIC, one of is connected to the internet. A cannot see B or the internet
I have one ubuntu server running 20.04 with 2 NIC – one connected to the internet gateway and the other connected to another ubuntu server running 22.04. I cannot get the computer running 22.04 to ...
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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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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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Why can't two interfaces belong to the same subnet?
I have a setup in which I have two hosts (A and B) connected between them. Each host has got a 4-port Network Interface Card (NIC). When I configure all eight interfaces to belong to the same subnet ...
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How to enable Maxlinear PHY GPY115 Drivers
About a year ago driver support for Maxlinear GPY115 NIC was merged into kernel v5.15-rc1. I hoped this driver would work on a new system I'm working on (Onlogic HX310). I installed Ubuntu Server 22....
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Avoid/automate compiling e1000e driver with new kernel updates
I have home server that has installed an ASRock H670 ITX that has NIC Intel I219V, running Ubuntu 20.04.3.
The problem is that kernel does not have driver for this NIC. I had to install manually using ...
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1
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Ubuntu 20.04 - NIC naming and match MAC with Netplan
I did my research before asking here; tried so many different things but I'm already lost about it.
I'm running 20.04 (Modified version, GNS3 VM on ESXi) with 10 NICs. From time to time if I make a ...
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1
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How to rename or change the names of the network interface cards given by the hardware abstraction layer? (Ubuntu 14.04.3)
I created a live system using Systemback in "computer A" and installed it with no problems in "computer B" but the only annoyance is that HAL gave my network interface cards the names eth1 to the ...
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Need help connecting to Internet/WiFi on Ubuntu 14.04 [Dell Latitude 131L]
I downloaded Ubuntu 14.04 today, and I went about installing it on my personal laptop. During the installation it asks you if you would like to apply updates while the installation is being processed; ...
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Every time I reboot Ubuntu 20.04, the the opposite NIC becomes active and the names swap
This is driving me crazy. Every time I reboot my 2 NIC server, The names of the two interfaces swap with each other but obviously the MAC addresses stay the same. I can get a network connection but I ...
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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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Extra NIC extranet IP issues
For the question scroll down past italic font :)
A quick recap:
Started with FreeBSD but it was a pain to install on Hyper-V environment, then tried with CentOS, easy install but I found ...
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1
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difference between eth0:1 and eth0.1
Is there any difference in eth0:1 and eth0.1. I a little confused with dot and colon notation. Have seen different approaches but appears both work in the same way, but I need some clarification on ...
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1
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How can I get the NIC to respond to jumbo packets when MTU is set to 4000
I have a mythbuntu 14.04 server.
# uname -a
Linux KISE-055 3.16.0-55-generic #74~14.04.1-Ubuntu SMP Tue Nov 17 10:15:59 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
I have the MTU set to 4000 vice 1500 ...
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0
answers
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Intel Built-in e1000e driver broken in 15.04 Vivid Vervet
It seems (sadly) that the built-in e1000e driver for an Intel Gigabit Ethernet controller does not work in Ubuntu 15.04. I found a workaround by obtaining a USB Gigabit Ethernet Adapter, but I wonder ...
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1
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Once again, Ubuntu server with 2 NICs, gateway issues
I have an Ubuntu 14 server going with two NICs.
eth0 is connected to my management network and has an ip of 192.168.10.25/24
eth1 is connected to my client network for internet connectivity. It is ...
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0
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Ubuntu router with 2 NICs, traffic stops and I don't understand why
I'm currently running a Beaglebone black with bone-ubuntu-14.04-console-armhf-2014-08-13-2gb.img (or a more recent version), which acts as a firewall / router. It has two network interface, one USB ...
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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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Dual NIC Configured as Router with NAT
I have a PC running Ubuntu 18.04 and am attempting to configure the two GbE interfaces as a gateway/router. I've referred to some related questions and attempted to follow guides such as this one: ...
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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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1
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Enabling NIC under Ubuntu 15.04 on Dell Optiplex 9020
I have a brand-new Dell Optiplex 9020 with an i7-4790 and 32 GB RAM. The motherboard has an Intel Q87 chipset and an Intel I217-LM Gigabit Ethernet chip.
The Ethernet works fine under Windows 7. It ...
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2
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I want to using multiple VMs and multiple NICs
I have a windows machine with virtualbox running and 3 NICs [eth0/eth1/eth2]. Eth0 is connected to ISP. Other 2 are connected to each other through a switch. [yes, it is a switch, yes I need it there]
...
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Ubuntu server routing table
i've a ubuntu server (13.04) with 3 NICs.
This is my routing table:
Destination Gateway Genmask Flags Metric Ref Use Iface
default vodafone.statio 0.0.0.0 UG ...
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How to fix Nic not connecting?
I'm running Kubuntu 20.04 on an older PC. The NIC on the motherboard has been giving me trouble recently, occasionally disconnecting and requiring a reboot to reconnect. So I added a PCIe Ethenert ...
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0
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Why is there less latency and jitter when there is additional high bandwidth traffic between two computers with Ubuntu 22.04 installed on them?
I have two computers that are connected via an Ethernet cable with Ubuntu 22.04 installed on them. I have a client on computer A) which is sending UDP packets to a server on computer B) and I am ...
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Ubuntu 18.04.4 - Network Unclaimed After NIC Firmware Update
I recently updated the firmware on my HPE NC522SFP NIC so that it matches the corresponding NIC I have in my other machine (latest firmware). After doing this, Ubuntu no longer recognizes the card and ...
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0
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Dual NIC silently rejecting all incoming traffic from one interface
In my server, I have two ethernet cards:
enp0s17, local IP 192.168.0.7, router's public address x.x.x.x, netmask 255.255.255.255
enp0s18, local IP 172.16.0.7, router's public address y.y.y.y, netmask ...
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Problem chaging to new NIC card on venerable server running Ubuntu 18.04
I am trying to add a 10gb NIC card to an ancient Ubuntu server running 18.04 and having difficulty. I am current on apt-get updates, but the server has been running for at least a decade and I believe ...
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Link Aggregation Issues (LACP)
I am running a nextcloud server on Ubuntu 20.04, and set up link aggregation. It doesn't seem to be working unless the server is in use. For example, if I am running a speedtest on the server, I am ...
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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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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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1
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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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1
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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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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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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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0
answers
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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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1
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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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1
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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?