All Questions
Tagged with virtual-machine networking
870
questions
0
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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
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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
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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
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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
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0
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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
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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
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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
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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
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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
93
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
138
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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