Hello Professional,
HYPER-V Networking Concept:
There are 3 types of networking switch in HYPER-V
1.External Virtual Network: This network is basically bound or connected with network card that is installed in physical host, and vms have access to access this adapter.In different and easy way to understand this network can be called as Management NIC.
2.Internal Virtual Network: this is not bound with physical host network adapter. this is only being used to communicate with HYPER-V host and vm. It mainly used for enabling ISCSI. To understand this is used to connect shared storage.
3.Private Virtual Network: This is being used to communicate between vm to vm only. This type of network can be also used in cluster network model.
The Hyper-V networking stack is smart enough to know that the traffic is going to another VM connected to the same switch and directly passes the traffic to the VM without ever touching the physical network adapter or physical network. This is very strong recommendation to use same nomenclature over all network while configuring the network switches, so that you can understand what switch is responsible for what work. if you migrate the vm from one host to another host, it will look for the same name to destination also and if this doesn't match the vm network adapter will show as disconnected network. In the designing part you have to spend good time decide the naming for HYPER-V infrastructure.Soon will be update configuration of switches.
Extensible Switches: This feature provide feature like port mirroring, DHCP server advanced configuration, Route extra feature, bandwidth feature and many more.Even enable Cisco Nexus 1000v which is available in VMWARE environment.In earlier version of Microsoft 2008 and 2008 R2 this was also not supported by HYPER-V but in 2012 Microsoft made it. Basically lots of other feature require when you are working with third part vendor and software in production and this feature enable the ability to manage efficiently.The Windows Server 2012 R2 extensible switch also supports hybrid forwarding, which allows packets to be forwarded to different forwarding agents based on the packet type.
There are other advanced options when you are managing HYPER-V from SCVMM server,that we will doing very soon.
We will be uploading more topics on HYPER-V management. Any query or question, please comment, we are very much available to listen and solve.
Don't let sleep your zeal to learn and earn.
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