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Questions tagged [openvswitch]

90 questions
12
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2 answers

connect Open vSwitch switch to real network : iptables masquerade

I'm using Open vSwitch to create a switched network between virtualBox guest machines, and i want that the host OS (Ubuntu 12.04) join this network and to configure it as the gateway of this virtual network: First, i created a vswitch and i added…
LokmanDz
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1 answer

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 currently viable in our environment, but we would…
cheesesticksricepuck
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1 answer

In virtual networking, how does a Virtual Switch differ from a linux kernel bridge?

I have seen that in virtual networking, guest VMs/containers can be connected with host and internet either by using kernel bridges(linux) or Virtual Switches. Example - Bridges docker uses linux kernel bridges to connect the guest containers to…
samshers
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3
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4 answers

Lab of virtual computers connected to virtual switch with port forwarding

I have a lab in which I have three computers connected to a switch. two of the switch's ports are mirrored to a third port so that all the communication between the two computers is mirrored to the third computer. I would like to create a similar…
kroiz
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3
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1 answer

How to setup a GRE 3 host mesh without loops and forwards with OpenVSwitch?

I'm setting up a quite simple 3 host Proxmox (Debian) HA cluster. All VMs should be in the same subnet and when one fails over to another host inside the VM no reconfiguration should be required and connectivity to all VMs on the remaining hosts…
Jey DWork
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3
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0 answers

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. Nothing too complicated. My problem is if I…
user165222
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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 2 Hosts Single 1Gbps Switch vSphere version 6.0 and NSX…
sio4
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1 answer

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 whom I attach multiple vms. Now I want to greate a…
Phate
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3
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1 answer

How GRE traffic finds way after arrive GRE remote end points (in open vswitch)?

I'm quite new to both network and open vswitch, I'm not sure whether this question is more relevant to open vswitch(ovs) or gre. belows are ovs settint commands. There are two hosts. Each host has two bridge br1 and br2. br2 has the gre tunnel…
jinhwan
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2
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2 answers

What is the proper way to setup Open vSwitch with NetworkManager in CentOS 8?

How it was before in good old times of network-scripts: I've describing bridge and port in files: /etc/sysconfig/network-scripts/ifcfg-br0 /etc/sysconfig/network-scripts/ifcfg-port0 than restart network by systemctl restart network and everything…
Oleg Neumyvakin
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1 answer

Setting up DHCP with OVN

I'm trying to set up an environment similar to the one described here in which OVN will provide DHCP service to logical networks. I have a logical switch named `net0 with two ports: [root@ovn0 ~]# ovn-nbctl show [root@ovn0 ~]# ovn-nbctl show switch…
larsks
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2 answers

What flow rules to add to the table for L2 Forwarding in open vSwitch?

I am performing an experiment on 2 Xeon based servers. Both the servers have two dual port NIC, total 4 NICs. OVS is running on one server and DPDK pktgen on the other server. I tried to add flow rules to the table to run OVS as L2 forwarding…
A-B
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1 answer

How to configure VxLAN tunnel with ovs bridge?

I want to connect VMs located on two different machines with ovs bridge and VxLAN tunnel, suppose the topology as the picture topology shows, my configuration on host A like this(configuration on host B is almost the same except changing remote_ip…
sujz
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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 (they will be only forwarding packets to…
Krzysiek
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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?
leeand00
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