All Questions
Tagged with virtual-machine networking
870
questions
0
votes
0
answers
7
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Ubuntu Server 22.04 VM networking is disabled after migrating from Proxmox to XCP-NG
I have a Proxmox cluster that contains several Ubuntu Server 22.04 VMs, and I just created a new XCP-NG "cluster" - both of these are separate (I.E. One is not replacing the other.) I was ...
- 21
1
vote
1
answer
182
views
Cannot reach web server in vm from bare metal using DNS after iptables rules forward packets to virtual bridge
This is a simplified description of the development environment at work and I am trying to configure it to facilitate developers using it.
Topology:
The topology of my setup is illustrated below. ...
- 11
3
votes
2
answers
802
views
How does the router know to send packets to a VM on bridge mode?
How exactly does the router know that, to reach a VM, it needs to reach my computer first? Does VirtualBox alter the local network ARP?
Some people say that you need to set promiscuous mode for ...
- 281
1
vote
0
answers
30
views
How can I link the virtual machine to appear with its own unique MAC address?
I made a virtual machine when changing from NAT to bridging mode, and when checking on the devices connected to the network the virtual machine appears with the host MAC address which I assume is ...
0
votes
0
answers
22
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VM Virtualbox bridged network & issues connecting to eduroam WiFi
I have an Ubuntu 22 computer on which I have a Windows 10 VM using Virtualbox. I use bridged network settings.
When I am at home on the WiFi or using a personal hotspot from my smartphone, Windows 10 ...
0
votes
1
answer
39
views
Is Bridge Mode on Docker the same thing as NAT Network on VirtualBox?
For me they're the same. There's the host that handles the IP's to the virtual machines and they can communicate with each other and with the host, but not see other devices on the Local Network.
...
- 281
0
votes
0
answers
85
views
SSH Connection timed-out connecting to a VM via port-forwarding on Windows11
I am on an issue since a while, getting urgent, and not super confident in the Windows sphere. I have a desktop at work that functions as my test desktop. To try software, etc, I installed Hyper-V and ...
- 1
0
votes
0
answers
19
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VM Virtualbox: can only login on VPN client on VM when VM's firewall is off. How to add an exception to the VM's FIrewall?
I need a Windows OS for work in which I have full control. I have a computer with Ubuntu and from there I am running a Windows 10 VM through Oracle's VM VirtualBox.
My work requires me to use a VPN ...
0
votes
0
answers
112
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No internet with the default switch in hyper v
I can ping VMs from host (windows 10 pro), but not from VMs (Windows 10, Linux) to host or internet. I don't wanted to create an external switch because I want the isolation the default switch offers ...
- 1
1
vote
0
answers
58
views
How to automatically assign proper IP addresses in libvirt network
Trying to make a virtual network that contains a single VM. Packets are routed through the host with <forward mode="route" />.
I've read a bunch of stuff online and AFAIK it comes down ...
- 121
0
votes
0
answers
42
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How can I create a VM in virt-manager that can access the internet through the host but can't even see the host or other devices on the LAN?
I want to create a VM for testing purposes -- questionable websites, files that could be infected with a virus, etc.
So I want to create a VM and that VM should be able to access the internet but it ...
- 408
0
votes
0
answers
64
views
Unable to Connect to VirtualBox Guest OS (Rocky Linux 8) from Host (Windows 11) Terminal and No Internet Connectivity
I am currently using Oracle VirtualBox
7 with Windows 11 as the host OS. Within VirtualBox, I have Rocky Linux 8 installed as a guest OS. Initially, I had configured the network settings to bridge ...
- 1,171
0
votes
0
answers
120
views
WSL can connect to VM, but not the other way around
I'm on Windows 10 and I have a service running on WSL2 Ubuntu and another service running on a Ubuntu Server VMWare VM, and although WSL can access the VM, the service on the VM seemingly can't ...
- 1
0
votes
1
answer
91
views
How to secure my home network when using Cloudflare tunnel to a VM in Hyper-V?
I am running a website on Apache server in Ubuntu Server 22.04.
The Ubuntu Server is a guest VM in Hyper-V.
In order to connect to the website from the outside world, I am using Cloudflare Tunnel with ...
- 383
0
votes
1
answer
907
views
Make VMware assign a static IP address to your machine
So, I used to be able to do this thing, where my VMs would have a static IP address assigned when i created them. They had access to the internet, and I distinctly remember that it always sets your ...
- 21
0
votes
2
answers
94
views
Hyper-V switch and VMWare NAT issues
Hi I am new to understanding networking and virtual switch set ups so bear with me here. I have VMWare Workstation 17 installed on a Windows 10 Pro Host laptop. I am creating a lab environment for ...
- 1
0
votes
0
answers
49
views
Network configuration with 3 Oracle VirtualBox VMs
I have a requirement to create 3 VMs and configure the machines as below :
two machines with their distinct networks
third machine contains above two networks that my client can communicate to both ...
- 1
0
votes
0
answers
56
views
How to ping/connect to a KVM on another machine in the same lan?
I have 2 machines in my cluster, say M1 and M2. I have one machine installed with a VM (brought up by virt-install), say VM on M2.
My M2 can ping the IP address of VM. My M1 and M2 can also ping each ...
- 101
1
vote
1
answer
163
views
Misconfigured files on an emulated SSH server and now ping, traceroute, and Docker are not working on my host VM. (SSH, apt and browser still work.)
TLDR: On a class-assigned virtual machine, ping traceroute and the original script used to access a Docker container/emulated VM stopped working after exiting a SSH session with the emulated VM. This ...
0
votes
0
answers
30
views
IP Conflict on mac vm guest
I have a host mac running Mac OS 14.4 (Sonoma). I am using VirtualBuddy to run the native VM capability, and a Guest instance of OS 14.0. I am having a IP conflict on ONE specific network... Starbucks....
- 133
0
votes
1
answer
139
views
Networking to get to containers on my local proxmox server from outside
I'm trying to set it up so that I can access one (or multiple) or my proxmox containers from the outside internet. Here's what I need help understanding:
I don't have a static IP address at my house (...
- 101
0
votes
0
answers
35
views
Virtualbox on Windows host with bridged network adapter over wifi sometimes start, sometimes not start a VM Centos 7, why?
I need internet in VM to download stuffs easily.
I need multiple VMs at once for learning kubernetes.
Thus I chose bridged adapter(same happens with NATTed adapter though).
How do I debug this issue ...
- 155
0
votes
1
answer
170
views
Facing Error while connecting to VMware VNC Console Access via HTML Console SDK
I'm facing a challenge with accessing the VNC Console through VMware's HTML Console SDK and would really appreciate some guidance. Here's a rundown of what I've done and the issue I'm encountering:
...
- 101
0
votes
1
answer
144
views
I can't for the life of me get networking to work on a linux kernel + busybox. (QEMU/KVM)
I have this little experiment lab system that i made in QEMU (just for fun).
The system consists of the linux kernel + busybox. Most of the system seems to work pretty alright now and i can do most of ...
- 1
0
votes
1
answer
75
views
Create virtual/fake bridged interface in Debian
I have Debian server where I have installed a VM with libvirt/kvm
I have created a bridge for it, added the VM to this bridge.
224: vm-bridge: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state ...
- 101
0
votes
1
answer
426
views
How to configure a traffic route from VM1 through Host to VM2
I'm using Virtualbox for VM's Ubuntu 20.04.
My task is to configure the network in such a way that traffic from VM1 passes through Host (Windows 10) and then to VM2, as well as in the opposite ...
0
votes
0
answers
178
views
Virtual Machine Bridge Network on Wifi not working AT OFFICE
I'm now experiencing VMs for serving my company project which I need to install and config some application on server.
I need the VM have the same IP subnet as mine so that I can ssh to VM. To achieve ...
- 1
0
votes
0
answers
255
views
Router not detecting VM Internal IP address
Details:
Host OS: Windows 11 Home
Guest OS: Windows 10 Pro
VirtualBox Ver: 7.0.12
Network Type: Bridge Adapter
Router: Netgear
I am new to VirtualBox and networking in general. I am trying to setup ...
0
votes
1
answer
277
views
Configure Virtualbox to capture network traffic between 2 VMs on the same host from another physical machine
My context is:
A physical machine with windows 10 (PC_Physcial_01) that host 2
virtualbox linux VMs PC_VM_01 & PC_VM_02)
An other physical machine dedicated to sniff network traffic
(...
- 1
0
votes
0
answers
45
views
Unable to connect to postgres installed as docker image in ubuntu vm in virtualbox from host psAdmin
i installed postgres on ubuntu vm on using virtualbox the host is windows 10
umen@umen:~$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS ...
- 607
0
votes
0
answers
92
views
Why does NAT not work for all hosts in subnet?
Network noob here. I am creating an emulated network for malware analysis. This means, I need to have one "real" host (VM) that is connected to the emulated network.
My setup so far consists ...
- 1
0
votes
0
answers
61
views
Virtual Box and ExpressVPN
I have been trying to solve this issue for 3 weeks now, is there a way I can use ExpressVPN network only to access a Virtual Machine?
And if that connection failed for some reason it will not switch ...
- 1
0
votes
1
answer
3k
views
How to Reach QEMU VM's with IP Address (Optionally Static)?
Situation
I have two QEMU KVMs (named master and worker, respectively) running on my laptop. The VMs use the headless server edition of Ubuntu 22.04, and the laptop is running Mint.
Goal
I want three ...
- 101
0
votes
0
answers
78
views
Cannot ping VMware IP address from Android TV
I am new to Android and Network.
I have a system as the following:
I have a Linux VM on Windows computer that has a specific IP address and I will use it to host a website. I can ping the IP address ...
hexols
0
votes
1
answer
285
views
Linux guest VMs not using network settings in VMWare Workstation on Linux host and defaulting to 127.0.0.1
I am trying to to have my linux guest vm use NAT or Custom settings but it is defaulting to 127.0.0.1. I was using it without issues yesterday but don't know what changed. I let the VMs and host PC on ...
- 103
0
votes
1
answer
41
views
Adding a mail server to existing network
I'm adding a VM mailer and would like support on the new layout on my network.
I currently have a firewall that forwards connections to a VM nginx that deals with HTTP/HTTPS requests, forwarding to ...
- 101
0
votes
1
answer
251
views
Can you have multiple connected isolated networks in qemu?
I wanted to emulate a cybersecurity attack using multiple different VMs on qemu and usually they have IP Addresses that can be very different (for example, usually the attack machine is 192.168.0.x ...
- 1
0
votes
0
answers
173
views
How can I segment two networks/interfaces in Debian based VM, namespaces or something else?
Background information: I have a Windows 10 (soon to be 11) work laptop with VMware Workstation Pro 17. This laptop is connected to my home network via Ethernet and connects to my work network via ...
0
votes
0
answers
440
views
The computer's hostname is not set correctly
So I wanted to connect my centos VM to my Windows Server VM that is currently hosting my Active Directory Server (both are on Host-Only Network). I know that the server is working, up and running, and ...
- 1
0
votes
1
answer
261
views
How to configure a domain with a Windows 10 Machine in Virtualbox
So recently, I had been trying to simulate attacks from this github security library (I was trying to specifically emulate the carbanak attack) by hosting multiple VMs on my laptop (I was using host ...
0
votes
0
answers
139
views
Configure Virtual Box VMs to use separate Physical NIC on host machine
I would like to configure about two to three Virtual Box vms, and each VM I want it to use separate Physical network adapter (cellular wireless usbs plugged to the host machine). Is this possible on a ...
- 101
1
vote
3
answers
10k
views
Playing audio from a Hyper-V VM to its host (or any network device)
I understand Hyper-V does not provide audio virtualization. Is there any way, even through 3rd-party software, to install a virtual driver that can transport audio to a networked device? The receiving ...
- 161
0
votes
0
answers
756
views
Dramatic difference in network performance between multiple KVM virtual machines, accessing a bridged physical interface
I have noticed a very peculiar difference in network speeds for the 3 VMs I have created. For one VM the network works without any issues. For the next the packet loss is between 50 and 100%, usually ...
- 735
0
votes
0
answers
220
views
pfSense not working properly on Azure VNet? What do i do?
I'm currently working on a project based on creating virtual networks and configuring a virtualized firewall (pfSense) along with access control. I was given this project idea in a cybersecurity ...
- 101
0
votes
0
answers
11
views
How do I connect a Dockerised NodeJS server application to external clients and databases?
I've an existing NodeJS server application:
Deployed in a RHEL7 VM
Clients make HTTPS POST requests to the REST API via a URL e.g., https://example.url.xxx:3000/api/endpoint
In-app middleware code ...
- 123
0
votes
2
answers
274
views
Can't connect to VM remotely
I have Virtual machine with Ubuntu server installed.
Trying to connect to that VM with domain name I have created thru external network.
Up until now I'm able to connect to my VM thru my LAN
What I ...
- 3
0
votes
0
answers
401
views
How to enable bridged networking in VirtualBox?
I've tried many things I read on the Internet and nothing worked so I decided to post my question here so someone would understand my problem. I want to enable bridged networking in my virtual machine ...
0
votes
0
answers
19
views
How does Vagrant setup network interfaces?
As I understand,network interface is a software interface to networking hardware.
On my Vagrant VM
ifconfig
cni0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1450
inet 10.42.0.1 ...
- 501
0
votes
1
answer
694
views
Trouble with ARP Spoofing with a Virtual Machine in my real Network
I'm currently facing an issue while trying to test my Python-based ARP spoofing program in a Kali Linux virtual machine running on VirtualBox on my PC. The VM is connected to my network using a ...
0
votes
1
answer
2k
views
Route VM Ware/VirtualBox traffic through VPN
I have a few VMWare (Workstation 16) and VirtualBox VMs running on both MacOS and Windows hosts. I need to route their traffic through my VPN provider, Nord, in a transparent manner, without the VMs ...
- 21