Questions tagged [network-interface]

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18 views

Bridge physical and virtual interfaces

I am trying to create my own router, but build it on my media server. Currently, I have eth4 bridged to my VDSL modem, and eth0/1/2/3 bridged as br0. Devices connected to eth0/1/2/3 can all ...
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31 views

Unable to have Windows give priority to a specific network adapter

We have a Windows 7 PC with 3 network adapters (2 physical and 1 virtual): Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IPv4 Address. . . . . . . . . . . : 192....
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In my situation, what would be the most reasonable way for me to be able to use my “real connection” on demand?

I have one computer, with one network port. I have no wifi. It runs Windows 10. It's connected (via the wall cables) to my NAT router and from that to the "fiber box". I have OpenVPN ...
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32 views

How NIC and ring buffers work?

I want know how network interface card and ring buffers work?I think ring buffers can be mapped into memory..RX ring and TX ring... then,how it works with input and output signals and registers?Please ...
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1answer
21 views

Sending request through a specific network interface

I have two network interfaces wlan0 and usb0 on a RaspberryPi running Ubuntu. All of them are connected to the Internet. I'm writing a python script to run a web server on wlan0. When a request is ...
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1answer
47 views

no interface to huawei stick

using a huawei usb stick on my linux mint works (out of the box) but on my ubuntu server it does not create an interface. lsusb: Bus 001 Device 016: ID 12d1:14dc Huawei Technologies Co., Ltd. /var/...
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3answers
19 views

How to rename interface in squashfs for a live system?

I am running a custom build Debian OS. I have tried various methods to rename the Grub standard wlp3s0 to the more usable wlan0 in a live system in unpacked squashfs, including the widely suggested ...
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100 views

WiFi and Bluetooth interference only on windows 10

I recently got new speakers, and the problem appears when I connect them to my PC (Windows 10). I start to hear an intense noise. It disappears when I turn WiFi on my PC off. The situation is kinda ...
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1answer
210 views

Can't configure network in kali

I can't configure the network in Kali Linux manually every time I assign an IP with Ifconfig eth0 192.168.1.100 Netmask 255.255.255.0 Default gateway 192.168.1.1 It gets configured and when I reboot ...
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23 views

Pi 3 not connecting to Asus AC2900 Router with TP-Link Switch

I've tried replacing the cable and switching ports on the switch but the Raspberry Pi 3 still won't show as a client in my Asus router dashboard. I was able to directly connect the Pi to the router ...
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1answer
3k views

10 Gb network card connection

I have just bought the intel X540T2 shown below and when I opened my machine I am not sure if I can plug it in any of the available PCIe slots shown below? If anyone could please advise
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14 views

Force applications to use specific interfaces on Windows 10

I have recently upgraded my router to a 1 GBit/s connection and my network is barely coping. My pc has two interfaces connected to the router, with roughly the following data rates according to some ...
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123 views

Unrecognized utun# interfaces on my Mac

I noticed a bunch of unrecognized utun# virtual interfaces on my Mac OS Catalina. I don't use any VPN so I wonder where they come from and is it safe to remove them (and how)? utun0: flags=8051<UP,...
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21 views

Router unable to obtain IP

I own a d-link router model DSL-2877AL.. used to work flawlessly in the past 8 months but recently the routers internet light will always stay red which indicates a failed PPPoe negotiation.. VDSL2 ...
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1answer
726 views

Windows 10 PING returns “No resources.” - why?

I often have this problem: C:\Users\user> ping 8.8.8.8 Pinging 8.8.8.8 with 32 bytes of data: No resources. No resources. No resources. No resources. Ping statistics for 8.8.8.8: Packets: ...
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190 views

ethtool + what is the meaning of Supported link modes with Not supported

we have rhel 7.x machine with the following details ethtool wep1 Settings for wep1: Supported ports: [ FIBRE ] Supported link modes: Not reported Supported pause frame use: ...
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1answer
1k views

Does VirtualBox' installation warning that it will “reset your network connection” mean theirs or in general?

When installing VirtualBox, it presents a warning that "Installing the Oracle VM VirtualBox Networking feature will reset your network connection and temporarily disconnect you from the network." But ...
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240 views

RTNETLINK answers: Cannot allocate memory

I have a simple XDP program and I want to load it on an interface. I'm on Ubuntu 18.04 with kernel version of 5.6.3-050603-lowlatency which supports XDP. My NIC is Intel 82599ES 10-Gigabit SFI/SFP+ ...
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87 views

Why is scanning my network picking up the wrong Interface, mac, and ip address?

So I've just used an application to scan for pc's on my network as a shortcut for wake on lan. Two of the three pc's show up with spot on information in its entirety. The one illustrated in the ...
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15 views

Virtual Machine Interface Speed and Duplex showing {nv}

I just installed a new Linux based system on ESXi and found the below information. Interface is undefined. DHCP is undefined. IPv4 Address: {nv}/{nv} In-Path Gateway IP: {nv} NAT IPs and ports: LAN - ...
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1answer
554 views

Automate sharing Internet between network adapters on Windows 10

I use a VPN for my console, and I do this by starting a VPN connection on my laptop and sharing the VPN Internet adapters Internet with my Ethernet adapter. The issue is that upon reboot, errors ...
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39 views

Clone Linux system preserving/reconfiguring network interfaces

The problem When I clone a Linux OS on a different device (but exact same architecture), the ethernet interfaces will be called differently (e.g. device A: eth0, eht1; device B: eht2, eth3). It's ...
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1answer
73 views

Standard number of Network Interfaces on a Mac Mini

Any insight into this would be very helpful to me. I am using a Mac Mini 2011. I ran ifconfig to see the network interfaces and see three ethernet cards. Some are in promiscuous mode, although only ...
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1answer
1k views

ifconfig shows multiple network interfaces

When I run ifconfigon my Macbook air 2018 with MacOS Mojave 10.14.6 I get this: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP&...
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158 views

ifconfig shows a bunch of network interfaces [duplicate]

When I run ifconfigon my Macbook air 2018 with MacOS Mojave 10.14.6 I get this: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP&...
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1k views

How to set the network interface in the Alpine WSL linux

I use Alpine WSL (v. 3.9.0) from the Microsoft Store. I can’t start the nginx service. I have a network problem with loopback interfaces. Immediately after installing linux I did: su root apk update ...
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1answer
1k views

decapsulating unicast VXLAN packets to a VXLAN interface

I am trying to evaluate a new virtualized traffic mirroring service (similar to SPAN) that delivers VXLAN encapsulated packets to a destination of my choice using the traditional VXLAN UDP unicast ...
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0answers
155 views

Unable to reach localhost (High Sierra)

Started running into difficulties with my MBP running high sierra after a forced reboot (crash) earlier today. My issue basically boils down to this: After a reboot, I'm unable to establish a ...
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4answers
9k views

Wireless headphones interfere with Wi-Fi signal on laptop

I have Medion MD 84299 wireless (not Bluetooth) headphones and they work totally fine. The problem is that once I turn on the headphone’s base station, Wi-Fi signal on my laptop becomes poor and ...
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1answer
499 views

Respond to ping from different interface than inbound interface in Linux

I'm trying to figure out if I need further configuration to allow outbound traffic to work on a different interface than inbound traffic. My setup is two servers. Server1 has eth1 on VLAN100 and ...
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1answer
322 views

Bonded interface with interfaces from separate VLANs in Linux

If I have two interfaces (eth0 and eth1) on separate VLANs (100 and 200), can they be bonded together into bond0 in such a way that traffic for each VLAN can be routed correctly? Let’s say the subnet ...
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49 views

How can I run a service for multiple VLAN's?

I have a running server hosted on 192.168.254.1 with some VLAN's which can be accessed by each one from 192.168.(TAG).1. I'm trying to run a service on a second computer physically connected to the ...
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1answer
67 views

Explicitly setting 'iface inet dhcp' for Ethernet disables the interface

I'm currently using an Ethernet connection, which has no configuration in /etc/network/interfaces, and is (presumably) using DHCP as specified by the router, in order to be assigned an IP address. ...
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193 views

Wireless adapters no longer interfacable

In the process of setting up a server I followed these two tutorials: https://seravo.fi/2014/create-wireless-access-point-hostapd https://community.openhab.org/t/setup-your-own-openhab-cloud-...
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46 views

Certbot DNS Bind Address?

Is there a way to execute certbot such that the outgoing IP will be one of a set of interfaces on the machine instead of the default interface? One of the messages certbot gives when using: certbot ...
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1answer
720 views

How many IP address can be assigned to one network interface

How many IP addresses could be assigned to one network interface at the same time? Are there any limits? Could user assign half of /8 subnet addresses to one interface and another half to another ...
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1answer
22 views

How to connect to an interface hosting a virtual network on Linux

I am running VMware on a Linux host. The virtual machines on this network are connected via NAT, which as I understand means that my Linux host is acting as a router/DHCP server and leasing IP ...
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661 views

Remove IPv6 address from interface

How can I remove redundant addresses from network interface. I have a bunch of unnecessary ones, temporary and usual ones I do it like this netsh interface ipv6 delete address interface="Wi-Fi" ...
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156 views

Many issues setting the default gateway on boot-up

I am using a BeagleBone embedded computer running Debian. I have two network interfaces : A connection to a cellular modem over USB which uses ppp and connects to the outside world. It receives a ...
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90 views

Can't assign ip address to veth directly after creating veth pair

If I run the following, then the ip address doesn't actually get added: ip link add veth0 type veth peer name veth1; ip address add 10.0.1.2/24 dev veth1 However if I sleep in between the commands, ...
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607 views

Raspbian: eth0 keeps IP address when ethernet cable unplugged

When I boot up my Raspberry PI running Raspbian 9 while it's connected to ethernet, eth0 is not seen as disconnected when I unplug the device. So if I do ifconfig after boot (with wired connection) ...
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2answers
1k views

Change IPv6 temporary address interval? Generate new IPv6 address?

1) On Ubuntu / Debian systems, how do you change the temporary ipv6 address interval? The time duration it takes before the system generates and changes the ipv6 addresses? 2) How do you manually ...
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1answer
1k views

Why I cannot ping IP address after I bridged it to br0 interface?

I have bridge eth0 and wlan0 to br0 interface. And it works just fine, my phone can use website by connected wifi AP. However, If I tried to ping br0 in my machine, I can not ping. Here is what I ...
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1answer
8k views

Ubuntu vm: No network interface, no UI

I have an Ubuntu VMWare virtual machine that stopped having an internet connection after a forced a shutdown. Upon inspection there were no connections in the Network panel of Settings. I found ...
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1answer
81 views

How can I get the maximum network card capacity

I want to be able to know what is the maximum capacity of my network card in my Ubuntu 18 machine. I use sudo nethogs and gets output like: NetHogs version 0.8.5-2 PID USER PROGRAM ...
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2answers
1k views

What is “internal” and “external” network interface?

Lets say, I have to set up an internal and external network interface in an Ubuntu VM. There will be another Ubuntu VM for some other purpose. Both VMs are connected (they can ping each other) in ...
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1answer
23k views

Problems using FortiClient VPN connection

It all started two days ago and I am still unable to find a possible cause of this problem. When I start the VPN from the FortiClient it connects to my endpoint apparently without any problem, but ...
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1answer
3k views

Kali linux no internet in terminal but browser works fine

Kali linux 2018 amd64 in VM Workstation Since the last few days, I cannot connect to internet in terminal. Internet works fine in tor & firefox browser, but I can't make an update in terminal. I ...
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1answer
80 views

How to trick a Linux program into “seeing” just the loopback network interface lo0?

The title says it all. I am trying to avoid the situation when a program detects the IP of a network interface and sends it to a remote location. I am thinking to do this by tricking the program into ...
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1answer
68 views

DHCP timeout when connecting over managed switch

NetworkManager DHCP times out when I am connecting via my Netgear GS108T managed the switch. This switch is running on factory settings, and expect it to act as an unmanaged switch for the moment. I ...