All Questions
33
questions
0
votes
0
answers
36
views
same ip and subnet in 2 different bridges
I am trying to create 2 different virtual networks in the same ip range (not using NAT) in virt manager.
This doesn't work with the gui or editing the xml of the new virtual network.
Is creating ...
- 1
0
votes
1
answer
184
views
Linux and KVM Qemu VM - "Couldn't ARP for host" despite that host and VM are both bridged and in the same subnet
I am using KVM Qemu in Kali linux host, and trying to practice ARP spoofing. In the Kali linux (which is connected to wired ethernet network), I have set up the following configuration (from tutorials ...
- 599
0
votes
0
answers
43
views
How to remove the IP address assigned to tap0 creating an udev rule
I would like to remove the IP address (169.254.149.209) that's assigned to tap0 on Linux host os (Devuan 5) at a certain point of the booting process of FreeBSD (the guest os / vm),creating an udev ...
- 549
0
votes
0
answers
966
views
Linux bridge and vlan configuration with Qemu/Libvirt VM
I am trying to forward traffic from my Qemu VMs to my pfSense VM with the help of vlan tagging.
I know that libvirt has no direct support for vlan traffic in conjunction with Linux bridges which is ...
- 11
0
votes
0
answers
234
views
Why does a bridge interface need an IP?
I create a network bridge interface, then start several QEMU instances which add tap devices to that bridge. I found that these instances cannot ping each other until I assign an IP address to the ...
- 921
0
votes
1
answer
3k
views
How to tell qemu to randomly assign MAC addresses
I'm starting three Qemu VMs, each with several network interfaces. The network interface config looks like this:
-nic user,hostfwd=tcp::"${ssh_ports[$machine]}"-:22,model=virtio-net-pci \
-...
- 921
1
vote
0
answers
960
views
Network routing through veth0 / bridge for userspace QEMU VM?
I would like to filter and capture traffic from a virtual machine. This VM must run in userspace. Capturing requires root, I know (though I hope to minimise root activity needed later).
The easiest ...
- 8,924
2
votes
0
answers
669
views
Proper Isolation of Bridge Networks
Proper Isolation of Bridge Networks
I am trying to set up a private network space, isolated from a public network space.
In the public space, I want my guest OS NIC to get it's IP address via DHCP ...
- 123
1
vote
0
answers
972
views
How to make Linux bridge act as a hub instead of a virtual switch?
I'm using virt-manager and qemu to run virtual machines. I had a task I needed to complete that involved sniffing traffic from another VM from a Kali Linux VM. Because the bridge network acts as a ...
- 85
1
vote
0
answers
3k
views
Configure network to allow QEMU to reach internet
I have the following standard configuration:
A remote server connected to internet and that I can only control using SSH
On this server, a QEMU instance
I'm trying to find the right configuration so ...
- 111
1
vote
0
answers
6k
views
virbr0 package not installed - qemu/kvm
I am trying to test a custom kernel configuration using qemu/kvm
when I do $ virsh --connect qemu:///system net-start default this is the output i get.
error: Failed to start network default
error: ...
0
votes
3
answers
16k
views
qemu/KVM/libvirt usermode networking: VM as a non-root user, what do I need for root-less networking?
I have run several VMs in KVM/qemu with libvirt, and somehow most of the time networking works.
Now, networking has stopped working when VMs are run as a non-root user. I have found little helpful ...
- 8,924
1
vote
0
answers
1k
views
Add more PCI slots to Virtual Machine
I am running a VM using kvm to simulate a network switch. I need to simulate a lot of links, so all of them are using a PCI connection. If I attach 27 or more interfaces I get an error.
Here is the ...
- 11
1
vote
0
answers
864
views
qemu kvm VM needs to access Internet by bridging wifi
I have some Qemu KVM virtual machines (CentOSs and Debians mostly) and my host is an Ubuntu. I configured the VMs networks with virtio virbr0, and I also made it work by creating a virtual interface, ...
- 196
1
vote
0
answers
3k
views
How to set up functional private network bridge on qemu/kvm?
System
My host is running Fedora 29, and my internet connection is wifi. Note that I am using X.org, not wayland; the SDL option in qemu doesn't work on wayland, and the curses option has trouble ...
- 403