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.
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Pxeboot - how to set network interface speed?
I can successfully do a PXE boot but the initial load of initrd and kernel is very slow because it drops back to 100Mbit instead of Gigabit. (This probably means it is actually causing all sorts of ...
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How do I forward VLAN-tagged Ethernet frames through a Linux bridge between two physical Ethernet interfaces?
Background
I am currently working on a device that uses a Beaglebone Black as the base board, and has a 3rd-party MAC/PHY attached to the breakout pins.
Problem
The desire is to forward all Ethernet ...
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Why receiving TCP network packets require more memory bandwidth and CPU utilization than transmitting packets?
I am analyzing an ARM system with Linux kernel 5.15 running. I am running iperf3 to measure the network throughput between two ARM systems.
Note that these are simulated systems and are loosely ...
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Realtek ethernet driver disabled both my ethernet and internet drivers without installing new ones
I have a Debian 12 system that I always connect with an ethernet cable. I saw that it wasn't running at its advertised speed (~100 Mb/s vs. 500Mb/s), so I tried to install its driver from the ...
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Debian 12 – All of a sudden my USB3 LAN adapter gets assigned random MAC address at each reboot
I have various small NUCs with attached on each one some of this USB3 LAN adapters (because the NUCs have only one Ethernet,
so I added extra ones with USB3 adapters).
You can see an image of the ...
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Is it possible to configure Ethertype DSA VLAN tagging on an Ethernet port that has a real PHY connection to the outside world?
I am working on an embedded system that will connect a processor running Linux to an Ethernet switch via a "conduit" Ethernet link (e.g. eth0) using the port-based Ethertype DSA (Marvell) ...
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SSH hangs/disconnects unless using `-v` option
I have a raspberry pi setup. When connected over ethernet ssh sometimes hangs, but generally works. When connected over wifi ssh is extremely choppy (8/10 connections fail, if I connect it drops ...
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Machine MAC address with Ubuntu on top of WSL2
Running Ubuntu 22.04.3 LTS on top of WSL2
Output of ifconfig:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1492
inet 172.28.193.11 netmask 255.255.240.0 broadcast 172.28.207.255
...
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Predictable network interface names with BusyBox
I want to map each hardware NIC to a specific linux network interface (ethX) persistently, as currently when an ethernet cable is reconnected, it picks an interface seemingly at random. This is ...
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arptables not working with nmap
I'm trying to implement a way to prevent network scans from my notebook. One of the things I want is to allow arp request to specific hosts, like my gateway.
I added some rules using arptables and ...
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Weird Internet disconnection issue on Linux and ethernet
I am using Ubuntu 23.10 and an ethernet connection to my router. However, sometimes during the day, my Internet connection gets "lost" for periods that can reach 1 hour sometimes. I can ...
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Can’t use ethernet after removing kde-plasma on debian 12
Here are my system’ and interface’s details:
After connecting ethernet cable to the laptop, running ping gives me ping: connect: Network is unreachable and with sudo apt update, I het could not ...
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Setting PIN code for ZTE USB 4G Modem recognized as CDC Ethernet device in Linux
Currently facing an issue with setting the PIN code for a ZTE USB 4G modem on a Raspberry Pi 4 (running Rasbian Bookworm). The modem is recognized as a CDC Ethernet device (cdc_ether kernel module), ...
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How to share my eth-wired internet from my pc to my eth-wired raspberry pi, non-wifi
I have a PC and RPI, both running debian.
My PC has internet access via ethernet(not wifi), and I connect to my RPI with ssh via another ethernet from the PC to the RPI.
The PC to RPI connection uses ...
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Is it possible to create `active-backup` bond with Ethernet and Infiniband IPoIB interfaces?
Is it possible to create L3-level? bonding an Ethernet interface and an Infiniband IPoIB interface on Linux, with active-backup where the IPoIB one is the primary? For this, I have set the subnet ...
