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Questions tagged [vswitch]

Hyper-V's (internal or External) Virtual Switch

67 questions
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VMware Distributed vSwitches (VDS) - Design, theory, *real* use cases and examples?

I'm starting to explore VMware Distributed Switches (dvSwitches or VDS) for use in existing and new installations. Assume VMware version 5.1 and newer with Enterprise Plus licensing. Prior to this, I've made good use of standard vSwitches defined…
ewwhite
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Can you change the virtual NIC type after building a VM?

When building a VM, you can select which virtual device type you would like a vNIC to be (E1000, VMXNET3, etc). After the VM is created, can you change the type of vNIC in use on a given connection (eg from E1000 to VMXNET3)? If so, how?
warren
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Do ESXi vSwitches have their own mac address?

I'm in the process of trying to decommission a few subnets which are believed to be no longer in use. When I query the mac address table on the physical switch for the vlans associated with these subnets, I see quite a few mac addresses beginning…
User123456
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VMware two vSwitches Guests can't communicate between them

I have some servers in this configuration: (complete configuration) And I am not able, from VMGuest1, to ping either VMGuest3 or VMGuest4. I can, however, ping Host1 and Host2, which are attached to pSwitch1. The behavior is the same with…
Aaron R.
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2 answers

How do I give label to vSwitches on VMWare?

I've searched extensively trying to name the vSwitches that I create, but all I can name them are "vSwitchX" where x= some number. How do I give these switches names? I'm using the Web Client. Thanks!
Abhishek Sha
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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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2 answers

VMware vSwitch and double tagging (QinQ)

I'm experiencing an issue while trying to pass double tagged through a vSwitch. A physical interface on the VMWare host machine is receiving double tagged traffic - the outer tag differentiates multiple switches (mirroring remote tag) and the inner…
vobelic
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Hyper V 3 Server Core install VM will not route through physical NIC

I have installed Hyper V 3 Core. I created a windows server 2012 vm with a static IP address connected to an external vswitch which was binded to a separate physical NIC than what the management network is on. When looking at the NICs with ipconfig…
Xaxum
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4 answers

faking NAT with a VMware distributed switch across multiple hosts

I need to construct a NAT for certain machines within the network. Wish to do this with dvSwitch - as it seems the logical way of attacking the problem as in this scenario there's just under 30 hosts. In order for the NAT'ed VM's to have access to…
romant
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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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IP to access Hyper-V host on Default Switch?

As we know, with Fall Creators update Microsoft added so-called Default Switch, an out-of-the-box type of switch which simplifies networking and combine features of internal and external switches. How we can set up static IP for that switch to…
Suncatcher
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Hyper-V 2012 R2 creates multiple vEthernet adapters

on our Windows 2012 R2 Hyper-V Free server, which will host the VM now running on an ESXi, I messed up launching twice the Add-VMNetworkAdapter cmdlet. These are the steps I took: create a team New-NetLbfoTeam -Name TeamTrunk -TeamMembers…
Furuvio
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Where do all the little vEthernet (Default Switch) come from?

Potentially related to this question or that one, I currently have 16 "vEthernet (Default Switch)"es around ("Standardswitch" in German, though I doubt l10n has anything to do with this). All but one are in a "cable not connected" state. I only…
Tobias Kienzler
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OpenStack Hyper-V vSwitch not being selected

I'm updating this, as the original did not get much support. And, I'm not seeing that error anymore since restarting with a fresh install using packstack. To help try to "help you, help me." I am posting all the relevant configs for my install, in…
John C
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ESXi VMs randomly lose network on reboot; only resolution to pull NICs and reassign new NIC driver with static MAC

We have one ESXi server (HP-ESXi-6.0.0 build-2492585) that has multiple VMs on it that have exhibited the following behavior: When the VM is rebooted it will occasionally just lose all network connectivity. Access the command line of the VM from…
Sam K
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