Questions tagged [network-interface]
hardware (or its representation by software) that connects a computing device (host) to a computer network (net)
1,459 questions
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Pop!_OS not showing any WiFi options
So I just installed Pop!_OS on an external SSD and am now trying to setup everything as I would a new computer. When I try connect to WiFi, it loads forever. It has not found a single WiFi network in ...
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1answer
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Why depending on reboot the interfaces are renamed?! enp3s0f0 to enp3s0f0np0
Why depending on reboot the interfaces are renamed?! Same cards, same PCIe connector, network interface was enp3s0f0 and becomes enp3s0f0np0 for no reason. How to stop this non-sense? RHEL 8
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strange Docker veth interface (peer) names
On a Docker host (which I have not set up; I am not very familiar wich Docker anyway) I noticed that I do not understand the interface names: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc ...
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Is there something else I can try to fix this latency issue in the Ethernet driver?
I am using a PC to control a robot at 1000Hz. My machine has Ubuntu 22.04 LTS with Linux 6.7 patched with PREEMPT_RT. The machine communicates with the robot via UDP trough a point-to-point Ethernet ...
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FAI, PXE & multiple network interfaces - exclude all but one
A class of Linux machines we maintain/build has up to 8 network interfaces, all but one aren't connected in the build phase. I'd like to speed up the build process by telling the initrd to ignore all ...
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Do not allow user to disable network or connection
I am using Veyon (client computers control software in local network) software on Pardus 23.2 (based debian 12). The network connection must be open for this program to work. However, some students ...
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No network when running virtual machines via qemu in Arch host
I've installed qemu and virt manager on Arch but keep getting errors when installing virtual machines: There is no virtbr0 when running ip addr show when I first start my system, running virsh net-...
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Mediatek Firmware for PCIe wifi adaptor on Debian stopped working
Recently after an upgrade to Debian Bookworm, my Wireless interface disappeared. i.e ip a shows only eth0 and lo I have been running the same hardware setup for about a year with the same Bookworm ...
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Cannot access vio0 remotely after changing from autoconf to static IP address
I have a hosted VPS running OpenBSD 7.6. It provides services on the private network (vio1) via requests sent from a reverse proxy on that network. The initial networking configuration was created by ...
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How to see the netbird interface on Macos
I'm new to macos world so maybe it is a silly question On all the *nix systems I have netbird installed I canfind a list of the network interfaces with a simple command ifconfig and the same on ...
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Debian 11. Cellular network interface stop transmitting data if MTU value was changed
I have issue with cellular modem when I change MTU setting for mobile network interface. Setup: debian 11 default MTU size from mobile carrier 1430 require MTU size for northbound connection 1300 ...
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Disable fib_validate_source
I have a situation very similar to this one where packets are being dropped after arriving on a tun0 interface. I confirmed with pwru that fib_validate_source is showing up before the packet gets ...
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In Linux, is there a way to block all listening points at 0.0.0.0/[::] outside a VRF and have "net.ipv4.tcp_l3mdev_accept" enabled at same time?
In Linux, if I enable net.ipv4.tcp_l3mdev_accept with sysctl utility, I can reach all TCP ports listening at 0.0.0.0/[::] if there is a reachable IP inside a VRF. The listening point can belong to a ...
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How to setup iptables filtering on a network interface with a subnet based on per-application isolation using cgroups v2 in Linux?
I have been trying to setup a per-application filtering on a network interface using cgroups v2 but I can't. Here is an example using network namespaces and veth pairs: ip netns add somenetns ip link ...
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Network activity halting at every 45s
I have a lot of Linux boxes, mostly debian 10-11-12, where, on some of them (I'd say about 20% of them) the networking activity stops at fixed intervals (usually 45s). By "stops" I mean rx/...
