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Is host process listening on virtual interface added to virtual switch possible?

I have a working setup of three virtual machines (on VirtualBox) bridged to tap devices added as ports to Open vSwitch. They are able to communicate. Now, I would like to make a host process (one ...
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25 views

OpenVSwitch: Understanding network/bridge - no packets

I just plan to have more security and monitoring at my firewalls isp-interface. Using Virtualbox to test, I installed openvswitch, created a bridge named ovs-br0 and added two ports, one, the existing ...
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0answers
24 views

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 ...
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58 views

OpenVSwitch LACP bonding test setup problems

I want to test LACP bonding on ovs. I have 3 Ubuntu computer. Using 2 of them as a openvswitch and one of them as a host. The first ubuntu (call it switch1) has three NIC (2 of them usb/eth ...
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20 views

Connect Open vSwitch to interface in a VM OpenStack

I have single VM in OpenStack, with a single interface eth0. I want that all the traffic that goes in and out is passed trough a Open vSwitch (where I will have some flow rules). I did the following: ...
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1answer
92 views

how to bring up network-interfaces and bridges in specific order at boot time

Currently, my setup is having many nodes, each having RHEL 7 installed, with each node having only one single interface. I am using ovs-bridge and a vlan-tagged interface within the host. I use ...
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57 views

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 ...
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0answers
50 views

So many retransmission over NSX enabled vDS of vSphere

I'm currently on test of VMware NSX network environment and met some trouble. My Environment is: Management Cluster with 3 Hosts and NSX components on 2 dedicated Hosts Compute Cluster with ...
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1answer
36 views

Persist OVS mirroring on Xen reboot

I'm running Xen on Debian with five guest VM:s. I've used the following command to setup port mirroring to two of the VM:s ovs-vsctl \ -- --id=@m1 create mirror name=detector \ -- add bridge ...
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56 views

Accessing hosts IP from within Docker Container - OVS & IPTables

I followed this article to setup openVSwitch on my coreos hosts so containers can communicate across multiple hosts. I have also setup docker so inter-container communication is disabled by default ...
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0answers
21 views

network switch features recommended for use with open vswitch

I am looking to setup openvswitch to use with a handful (<10) servers and need a couple of ethernet switches to implement this. Are there any features that are recommended to be present in the ...
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0answers
45 views

How to block network connections between XenServer VMs using Open vSwitch?

I would like to block all network access between user VMs on a XenServer host so that users on each VM are unable to access any other user VM, or to sniff network traffic, no matter what. However I ...
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0answers
57 views

openvswitch flow table questions

I am experimenting with ovs-ofctl add-flows, and I don't understand it's behaviour. It seems that in some cases, instead of adding a flow table entry, it over-writes the flow table entry. Using ...
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0answers
97 views

Understanding OpenStack Neutron's OpenFlow utilization using OpenVSwitch and ML2

I have successfully set up a OpenStack environment using the OpenStack Installation Guide[1]. I'm now trying to wrap my head around whether and how this standard OpenStack installation using Neutron, ...
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1answer
100 views

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 ...
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1answer
120 views

configure openvswitch in amazon ec2

i have installed openvswitch-2.3.2 in Amazon EC2 CentOS 6.5, and want to use openvswitch to build a gre tunnel with other PCs. this is the ifconfig output [root@ip-172-31-30-157 openvswitch]# ...
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0answers
257 views

qemu with network namespaces and openvswitch

I want to put each qemu process in its own network namespace. However when I do this I cannot get bridged networking to work. This doesn't use namespaces, but makes qemu work with ovs: ovs-vsctl ...
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1answer
44 views

Openvswitch CLI versus network files

There is something I don't get with openvswitch. Let's say that I want to create br0 and a port on eth0. As far as I understand, we can setup a bridge and a port through the network configuration ...
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1answer
496 views

QoS/traffic-limit on internal ports in OpenVSwitch

I am currently trying to put traffic control on our OpenStack cloud and my questions in one sentence would be: is it possible at all to rate-limit particular port with type internal? The whole story ...
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196 views

Traffic Control in OpenStack Neutron with either TC or OpenVSwitch

As far as I know, QoS in OpenStack Neutron is still under development and not production-ready (I could be wrong on this point though, shout at me if so...), but we are required to implement traffic ...
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0answers
269 views

How to set network configuration for openflow on openwrt?

I made a custom build Openwrt (barrier breaker) with Openflow 1.3 and I could connect it to ryo simple_switch_13 controller in outofband mode. Ehternet port number 3 and 4 are set as openflow ports ...
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64 views

Openvswitch/Xen VLAN connectivity

I`m looking for help with Openvswitch... In a Xen virtualized environment I have VMs(both Linux and Windows) set up on different VLANs and between 2 VLANs I need to set up inter-VLAN conmmunication. ...
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0answers
85 views

Openvswitch 802.3ad not working properly.

I have set up the catalyst and tested with standard bonding to work normally. bond+bridge had no issues. I then recreated using openvswitch and set bond0 to balance-tcp the 2ndary port is now ...
2
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0answers
41 views

Can a virtual switch be depatched?

Is it possible to depatch a virtual switch; And is there any point to doing so on a virtual switch?
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1answer
383 views

MTU on Open vSwitch Bridge/Port

How to set MTU value for an Open vSwitch bridge from command line? I have tried man pages, I failed. Thank you.
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1answer
162 views

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 ...
0
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1answer
799 views

Proxmox VE Open vSwich configuration?

I am using Proxmox VE 3.3 (which I like very much and have been using for a few years), but cannot seem to make open vSwitch work as per below. I am having trouble getting Open vSwitch working. I ...
2
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1answer
3k views

Proxmox with an Openvswitch bridge

All, I'm trying create a way for me to be able to use the local network within my Proxmox infrastructure. Currently, everything is running off of NAT from wlan0 and all internal machines have the ...
0
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1answer
295 views

Equivalent to TYPE=“OVSPort” DEVICETYPE=“ovs” OVS_BRIDGE=br-ex in Ubuntu 14.04?

Is there an equivalent to TYPE="OVSPort" DEVICETYPE="ovs" OVS_BRIDGE=br-ex in Ubuntu 14.04? The system is OpenStack Icehouse with 3 nodes (controller, network, compute1) each on a VirtualBox Ubuntu ...
0
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1answer
81 views

Can we provide an stack of IP's to the Open Vswitch to pick the IP?

I have started learning virtualization using KVM hypervisor and trying to set-up virtual cluster on the host machine.However from the tutorials on the internet states that the VM connected to OVS ...
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0answers
1k views

How Open-VSwitch bridge assigns IP addresses to guest when used on KVM hypervisor?

I have setup ovs switch on ubuntu and configured network xml and guest VM xml files respectively(Set-up for KVM hypervisor). Created new network for openVswitch by creating and defining new vlans.xml ...
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1answer
206 views

Hosts cannot ping in two name spaces using Open Vswitch

I have two name spaces red and blue. Red is connected to host1, and blue is connected to host2, but these two hosts cannot ping each other. Here is the commands that I put: ip link add host1 type ...
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1answer
268 views

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" ...
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0answers
629 views

Open vSwitch double VLAN tagging is ignored

I'm trying to add a flow to a KVM machine using Open vSwitch 1.10.2 for it's networking, which double tag all traffic comming from one of the virtual machine's ports. I'm using the following command ...
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0answers
766 views

Packets are not routed by iptables, how to debug

I'm using OpenStack and OVS. This is my case: From a remote host, I ping VM with IP A. Local gateway received the echo request, then send a packet with IP A and MAC address A' (based on a fixed ...
0
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1answer
160 views

openvswitch with multiple vlans

I'm having an issue wrapping my head around a setup. We currently use vmware+vsphere and switching to kvm. So we want the similar type setup using openvswitch. So our setup will be like kvm host ...
0
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1answer
5k views

Deleting port on one openvswitch bridge causes change in MAC address on another bridge

I am trying to set an explicit MAC address on an openvswitch bridge named br-ex. I am running Fedora 20 and using the native ifdown/ifup commands to configure the bridge (details of my network ...
2
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1answer
496 views

Persistent Network Configuration using KVM and libvirt

Our environment will have a KVM host setup dynamically using kickstart (easy enough). The hard part is dealing with network configuration and keeping VLAN configuration (and possibly bridge/host ...
1
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1answer
1k views

Openstack Neutron stabilty problems

I have a fairly simple Openstack setup for a PoC. 2 nodes, both running Nova, and everything else on node 1. It is running CentOS 6 and was set up using RDO. Importantly I am using Neutron for the ...
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0answers
413 views

Automating Configuration of VMware's vSwitch (OpenStack/libvirt/Nova)

There's a lot of talk now about VMware integrating with OpenStack now. I've noticed that Nova network service is working with VMware's standard and vDS. Deploying a full OpenStack instance is not ...
0
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1answer
453 views

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 ...
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1answer
167 views

Is there a way to emulate a DHCP server (overlay network) [closed]

I have created an overlay Level 2 network using VLAN tags with Open vSwitch. I want a Level 3 one so I need to give each VM a consistent IP address. I'd like every host on this VLAN to get an IP ...
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1answer
1k views

How to make my linux vm attach to an openvswitch bridge?

I am following this tutorial: http://networkstatic.net/wp-content/uploads/2012/04/openvswitch.openflow.gre_.tutorial1.pdf In brief: br0 is connected to the actual net, br1 is an isolated bridge to ...
0
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1answer
1k views

Adding eth0 to openvswitch bridge makes internet stop working

Adding my eth0 interface to openvswitch bridge with: ovs-vsctl add-port br0 eth0 makes me unable to accesso to the internet both on the host and , obviously, on the guest. How to solve this ...
0
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1answer
229 views

<virtualport type='openvswitch'/> is NOT recognized

In order to make my vm use the openvswitch interface I have to add the following lines to a vm xml config file: <source bridge='ovsbr'/> <virtualport type='openvswitch'/> I edit the ...
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0answers
95 views

open flow controller + openvswitch. how?

I have a computer that's running openvswitch and I want to create a backup. I'm thinking about moving the controller away from the server on which openvswitch runs, and create multiple openvswitch ...
2
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0answers
570 views

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 ...
0
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1answer
126 views

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 <---> ...
1
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1answer
881 views

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 ...
0
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1answer
422 views

No traffic to Xen vif attached to Openvswitch

I'm trying to get my guest VMs to use an openvswitch on Ubuntu 12.04 with 3.8.0-26-generic. I've compiled the most recent stable build Xen 4.3.0 but can only get my guest VMs working with a standard ...