Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [ethernet]

refers to the wired style to connect a bunch computers or a way to connect to such network. This tag is for both software and hardware part of this issue.

Ethernet is a family of computer networking technologies for local area networks (LANs). it refers to the wired style to connect a bunch of computers together or a way to connect to such network. This tag is for both software and hardware part of this issue.

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Why is my ethernet interface called enp0s10 instead of eth0?

When I run ifconfig -a, I only get lo and enp0s10 interfaces, not the classical eth0 What does enp0s10 mean? Why is there no eth0?
Nico Rodsevich
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How can I create a virtual ethernet interface on a machine without a physical adapter?

I have a Dell XPS 13 ultrabook which has a wifi nic, but no physical ethernet nic (wlan0, but no eth0). I need to create a virtual adapter for using Vagrant with NFS, but am finding that the typical ifup eth0:1... fails with ignoring unknown…
STW
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ip link and ip addr output meaning

I am searching for an explanation what exactly the output of the commands ip link and ip addr means on a linux box. # ip link 3: eth0: mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000 link/ether…
Zaboj Campula
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Can I connect a Ubuntu Linux laptop to a Windows 10 laptop via ethernet cable

I have seen people connect two computers with an Ethernet cable, but the instructions I've seen were for Windows to Windows or Mac to Mac or Windows to Mac. I never came across any for connecting Windows to Linux. Is it possible to connect a Windows…
Henry WH Hack v3.0
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How do I configure a network interface bridge from WiFi to Ethernet with Debian?

I am using Raspberry Pi using Raspbian which is just Debian. I would like to bridge from the primary WiFi network router that connects to Cox Cable to my cabled router here for my subnet to have reliable internet access. It needs to be a…
SDsolar
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Device vs network interface IP addresses

I'm trying to understand the relationship between: A "networked" Linux device; and The physical NIC card located on that device (giving it the ability to be "networked"); and Various Ethernet/Wi-Fi network interfaces (eth0, eth1, wlan0, etc.);…
Zac
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meaning of "brd" in output of IP commands

In the following example: $ ip a | grep scope.global inet 147.202.85.48/24 brd 147.202.85.255 scope global dynamic enp0s3 What does the 'brd' mean?
cardamom
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What's the difference between the drivers r8169 and r8168?

Realtek provides the source code for the r8168 driver which is based on the r8169 driver from the kernel tree if I may believe their source: /* * This driver is modified from r8169.c in Linux kernel 2.6.18 */ Both are GPL licensed, so source code…
Lekensteyn
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How to get maximum supported MTU size for interface?

I can set the MTU of an interface, eg: ip link set dev eth0 mtu 9000 However different interfaces and different machines appear to have different limits resulting in an error: Error: mtu greater than device maximum. I'm trying to find a way to…
George Shuklin
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What is the difference between virbr# and vnet#?

I am running KVM on RHEL6, and I have created several virtual machines in it. Issuing ifconfig command to the host system command line shows a list of virbr0, virbr1... and vnet0, vnet2... Are they the IP addresses of the the guest OS? What are the…
xczzhh
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Naming convention standard for Ethernet and Wi-Fi interfaces on Linux machines

What is the naming convention standard for Ethernet and Wi-Fi interfaces on a Linux machine? We are developing a tool that should show only the Ethernet and Wi-Fi interfaces of the Linux machine and its current status. For example, below is the list…
Mohan Raj
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changing the names of network interfaces, debian wheezy

I'm trying to set a name for an interface, "ethLan" instead of eth0. Doing so also ensures that the if's name will remain consistent at every reboot and kernel. I did find some articles in the subject, but they are all a couple of years…
user
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How can I create an alias for a network device?

I'm trying to get a particular piece of software to run that uses a licence manager that hasn't noticed that newer Linux distributions don't name their network devices eth0 anymore. It is trying to verify the MAC address, but as my NIC is called…
Mad Scientist
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scp performance over 1Gbit LAN

On my wired LAN, with 1GBit/s devices, I have two Linux machines (One Haswell, One Skylake Xeon) and when I do a secure copy of a large file, I see 38MB/s. Seeing that this is 3 times below the 1000Mbit/s spec, I wonder if this performance is as…
Bram
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Possible to have both Wi-Fi and Ethernet connected to the same network?

I am running Arch Linux (on a Raspberry Pi 3) and tried to connect both the Ethernet and the Wi-Fi to the same network. route shows me the following: $ route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref …
rityzmon
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