All Questions
Tagged with openvswitch linux
15
questions
0
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0
answers
39
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Connecting 2 Virtualbox VMs to Open vSwitch running on another Virtualbox VM
I have 3 Ubuntu 22.04 VMs created using Virtualbox. My host machine is Windows 10. One of them is running 5G core emulator, and the other one is running UEransim. I was able to connect UE to 5G ...
1
vote
1
answer
726
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oVirt - Running VMs into a Subnet
I am trying to run VMs (and Pools) into a NAT. To reach this target I have:
created a new Network in the Cluster;
checked "Create on external provider" check box;
selected ovirt-provider-ovn;
entered ...
- 125
3
votes
0
answers
958
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OpenVSwitch with Libvirt
Here's my situation: I'm running CentOS 7 with Openvswitch and Libvirt/Qemu. My domains are configured to use the virtualport type openvswitch, so when I start a VM it creates a port in the ovs bridge....
- 125
1
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1
answer
3k
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Direct Veth Pair vs Linux Bridge
I'm trying different network configurations between LXC containers to learn something and have fun.
I've just found out that two containers can communicate with just a veth pair, so I'd like to know ...
- 143
1
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1
answer
2k
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Linux Spanning Tree between Bond and an interface
I try to do something with network virtualisation to get my Proxmox server ready for production in an HA environment
i'm using openvswitch 2.5
the Setup that i try to reach:
My Server which has 4 ...
- 29
2
votes
0
answers
967
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Lacp over two linux boxes - something like MC-LAG
I have two linux box'es which are gateways for some kind of virtualized network (Openvswitch, GRE).
I am trying to optimize performance - so I decided, that I have to try remove routing part from them ...
- 21
1
vote
0
answers
693
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Adding multiple vlan interfaces into bridge (ovs)
I am adding multiple vlan interfaces (eth3.409, eth3.410, ...) to a bridge, furthermore I also add the eth2 interface (local network) to the bridge.
eth3 is a trunk with 13 different vlans. The ...
- 11
0
votes
1
answer
3k
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RTNETLINK answers: Invalid argument while specifying packet loss by tc command
I am trying to specify packet loss by tc command on interface (port) 1 of switch part of network I have created using mininet :
sudo tc qdisc change dev s1-eth1 root netem loss 0.1%
but gettring ...
- 101
0
votes
1
answer
450
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Newbie to KVM/oVirt/ovs looking for clarity
I have some experience with vSphere, but am looking to get up and running with KVM. I've been looking at using oVirt as a VCenter type manager but, being new to all things server/Linux/virtualisation,...
- 113
2
votes
1
answer
1k
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How do I block all access to machine except port 3389 using Open vSwitch
I can allow access to the machine and block everything else using:
ovs-ofctl add-flow xenbr0 "dl_src={mac-address} priority=39000 dl_type=0x0800 nw_dst={ip-address} idle_timeout=65000 action=normal"
...
- 465
0
votes
1
answer
979
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Mininet additional veth pair between host and server
For those who don’t know - Mininet is a tool that allows for the automated creation of multiple OVS switches, chroot linux ‘containers’ as hosts and links them all together to prototype OVS powered ...
- 333
2
votes
0
answers
2k
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access tap interface in network namespace across machines
I want to be able to access services running on a TAP interface within a namespace from outside the machine where it is running. I have setup that looks like this -
VM1/Machine1
+eth0 : Public ...
- 143
0
votes
1
answer
182
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Is Open vSwitch necessary for my setup?
I've been considering moving my VMware-based dedicated server to Linux using KVM/QEMU. The only major hurdle remaining is networking. My current setup is:
NIC <---> Public vSwitch <---> ...
- 9,595
1
vote
1
answer
3k
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Does Open vSwitch put attached interfaces into promiscuous mode?
When I use Linux bridging to bridge a virtual machine to a physical NIC, I have to explicitly set the NIC to promiscuous mode so that ethernet frames that were destined for the VM would make it to the ...
- 5,038
0
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1
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2k
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openvswitch: connecting two virtual private networks on two different machines with gre/ipsec
Here is the setup: We have a hardware (server) that presents a service to the customer (or "outside world", if you so will). Internally, the services and functions are distributed over several virtual ...
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