Hyper-V Networking

BrianPitt 171 Reputation points
2021-05-13T18:01:38.513+00:00

If I have multiple VMs in my Hyper-V environment , each with a different IP Address in a different subnet, do I need additional routing software to get them all communicating?

Do they all need their own virtual switch?

Reading conflicting information about this....some articles mention needing one vswitch regardless of VM IPs, others say multiple switches. And I cant get a definitive on routing...

Hyper-V
Hyper-V
A Windows technology providing a hypervisor-based virtualization solution enabling customers to consolidate workloads onto a single server.
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  1. Pavel yannara Mirochnitchenko 11,411 Reputation points
    2021-05-17T13:46:54.41+00:00

    If you want only to communicate them with each other, you don't need anything else, just put them into same VLAN. If you want to use routing and route them outside to the internet, I recommend to use RRAS role on the Hyper-V host. Specially, if you get into AD networking, DHCP, DNS, and NAT, you need RRAS server.

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  2. Yuhan Deng 3,756 Reputation points Microsoft Vendor
    2021-05-18T01:49:39.117+00:00

    Hi,
    Hope this will help:
    https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-hyper-v-networking-in-windows-server

    Thanks for your time.
    Best regards,
    Danny

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