Download Virtual Switch

This article shows you how to create and configure your virtual switch using Hyper-V Manager orPowerShell. A virtual switch allows virtual machines created on Hyper-V hosts to communicatewith other computers. When you first install the Hyper-V role on Windows Server, you can optionallycreate a virtual switch at the same time. To learn more about virtual switches, seeHyper-V Virtual Switch.

An external virtual switch allows your virtual machines to connect to an external network. You canalso allow the management operating system to share the same selected network adapter. To begin,follow these steps.

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You can specify the VLAN identification (ID) used by virtual machines network adapters and virtualswitches. For virtual switches connected to either an external or internal network you can specifythe (VLAN) ID. The VLAN ID number is used by the management operating system and virtual machinescommunicating through this virtual switch.

You can also configure your virtual switch with other VLAN options, such port mode and the nativeVLAN ID. For these options, you'll need to use PowerShell and ensure the configuration is compatiblewith your networks configuration.

To set port mode to trunk, the native VLAN ID, and allowed VLAN ID list, run the followingcommands. Replace the placeholder the name of your virtual switch and with your VLAN ID. Replace with a list of allowed VLAN IDs, for example,200-210.

Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.0 license. It is designed to enable massive network automation through programmatic extension, while still supporting standard management interfaces and protocols (e.g. NetFlow, sFlow, IPFIX, RSPAN, CLI, LACP, 802.1ag). In addition, it is designed to support distribution across multiple physical servers similar to VMware's vNetwork distributed vswitch or Cisco's Nexus 1000V. See full feature list here

In addition to OVS, the Open vSwitch community maintains the OVN project. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups.

Open vSwitch can operate both as a soft switch running within the hypervisor, and as the control stack for switching silicon. It has been ported to multiple virtualization platforms and switching chipsets. It is the default switch in XenServer 6.0, the Xen Cloud Platform and also supports Xen, KVM, Proxmox VE and VirtualBox. It has also been integrated into many virtual management systems including OpenStack, openQRM, OpenNebula and oVirt. The kernel datapath is distributed with Linux, and packages are available for Ubuntu, Debian, Fedora and openSUSE. Open vSwitch is also supported on FreeBSD and NetBSD. The Open vSwitch release in development has been ported to DPDK.

A virtual switch (vSwitch) is a software program that enables one virtual machine (VM) to communicate with another. Virtual switches are also used to establish connections between virtual and physical networks and to carry a VM's traffic to other VMs or a physical network.

It is the relationship between virtual switches, VMs and physical network adapters that enables VMs to access and operate on Ethernet networks. Virtual switches ensure nearly the same functions as regular switches -- with the exception of some advanced functionalities that appear in physical switches, like the ability to create network loops.

Just like its counterpart, the physical Ethernet switch, a virtual switch does more than just forward data packets. It can intelligently direct communication on a network by inspecting packets before passing them on. Some vendors embed virtual switches into their virtualization software, but a virtual switch can also be included in a server's hardware as part of its firmware.

Virtual switches connect to VMs in a similar way as physical switches. VMs use virtual switches and virtual network adapters to connect to physical networks. A virtual switch also connects to a network interface card in order to connect to a physical network.

A virtual switch detects which VMs are logically connected to its virtual ports and forwards network traffic to the VM. The virtual switch directs data on a network by checking data packets before moving the packet's destination.

Virtual switches reduce the complexity of network configurations by decreasing the number of physical switches that would otherwise need to be managed. With additional network and security settings, these switches also provide integrity for VMs.

Virtual switches are used for various reasons, but are typically used for ensuring a connection between VMs or connecting virtual and physical networks. Virtual switches can also be used to ensure the integrity of a VM's profile -- including its network and security settings -- as the VM is migrated across physical hosts on the network.

I made the switch from Smartthings and I am loving the switch but I am on the learning curve. With smartthings I used a virtual switch to control all my Alexa devices (mostly my wifi smart outlets). Does anyone have a step by step to get this up and running? Any assistance would be greatly appreciated.

If you have a Alexa routine already created, it should just be a matter of adding the switch to the Amazon echo skill on the apps page, then go to the Alexa routine and switch your ST switch for the HE switch.

To expand a bit on what terminal3 said when you create the virtual device scroll down the drivers list and you'll find a group of various drivers all starting with the word Virtual and pick the appropriate one for the device you are trying to create. That might be obvious but I thought I'd mention it since you said you are still learning.

There is a custom device driver on here that can be used for a virtual contact switch but you would still need to recreate an Alexa routine to switch your wifi plug on and off for every state of the contact.

I read that two or three times wondering what you meant, but I think you meant read the state of the switch, which is true. I assume he meant he would use a virtual switch to initiate a rule in HE. I do that with several virtual switches, For example I tell Alexa to Open a shade and it turns a virtual switch on, which then triggers the rule in HE that actually opens the shade.

Unless something changed, the state of a virtual switch can be "seen" from either HE or Alexa no matter which side - HE or Alexa - flips the switch. A change in state in a virtual switch can trigger a rule in HE. A change in state of a virtual switch in Alexa cannot trigger an Alexa routine.

Thus you can use a virtual switch to have Alexa tell Hubitat something, e.g. "Alexa heard 'Good night'". But you cannot use a virtual switch to have Hubitat tell Alexa something, e.g. "Have Alexa announce "Good morning".

You used the Virtual Contact with Switch driver, right? So, next step is to go into the Alexa Echo Skill app on the Hubitat side, and authorize the virtual thing you created to be propagated to Alexa. Alexa should discover the device on her own, but if not tell Alexa "Discover devices".

It worked, thank you. How do I do it with a lock? I have a wifi Schlage lock? It will only work once but then how do I make it go back to the other state? I tried auto off but it only works for a switch and not a contact sensor.

Just have Alexa, in the routine, turn off the switch. Alexa sees the virtual thing as both a contact and a switch, but you can only trigger her routines with contacts (or motion sensors .. just not switches).

Okay so I got the routine to lock the wifi lock when the contact switch opens, but how will the state of the virtual contact sensor go back to closed? The wifi lock will not lock again since the state of the contact sensor is open?

Hey y'all. I'm a newbie to Hubitat HE and having a bunch of problems getting stuff playing nicely. As well as Hubitat I also have Alexa and a Schlage Encode smart lock on the front door. I have worked out how to make the front door lock, but not unlock, due to a restriction in the Schlage skill. I do kind of value this override in case my Alexa account gets hacked (I'm less worried about the Hubitat lol) But it would be nice to somehow have this virtual contact open the switch and make alexa unlock from hubitat (even if it needs the PIN to do so..)

OK, I'm tryng to do something much more simple now. I've got Alexa, the HE, and a garage door. I'm using a Shelly One to open then close the door. I want to be able to say "Alexa open the garage door" or "alexa close the garage door"... Or maybe even ask her if it's open or closed. Seems simple right? Well I'm using Stephen Hackets' Virtual Contact Sensor with Switch driver and Alexa sees it as a switch (though it has the convenient option of treating it as a lightbulb). I've set up automation in HE to pulse the Shelly on then off for a second when the vswitch changes state. Telling Alexa to 'turn on' the garage door doesn't roll off the tongue. Queue the Virtual Contact Sensor driver. That seems to show as "open" or "closed" in Alexa's devices menu but when I ask her to open or close the garage door she tells me that the device "doesn't support that". Seriously!

Upon further investigation, my virtual switches are still visible in the old IDE. They are not visible in the IOS App or in the new Smartthings Advanced Web App. So, is the Virtual Device Creator functionality going away completely?

There is also the issue that a lot of users will have switched to the Simulated Switch if they were using virtual switches in support of STHM in third party apps. Those, and the rest of the Simulated devices, were only ever meant for simulating real switches in test environments but, as with the Virtual Switch, they were presented as stock devices in the IDE and the repository. e24fc04721