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xort asked XiaoweiHe-MSFT commented

Hyper-V 2019 Networking Best Practices

Hi,
We are setting up a Hyper-V (Windows 2019 Datacenter) cluster with 4 nodes.

Each node (Dell PowerEdge) has 6 network cards:
- Two 10 gb iSCSI for the storage network (EqualLogic)
- Four 1 gb NICs for the networking

What is the optimal setup for the networking part (management, live migration, cluster) of the implementation?

windows-server-clustering
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From your description, we find the issue is related to Hyper-v cluster, I would remove the tag of "msc-virtual-machine-manager-clustering", which represents deploying cluster in SCVMM. Thanks!

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XiaoweiHe-MSFT answered XiaoweiHe-MSFT commented

Hi,

Thanks for your post!

Generally, we have the following cluster network types in the Hyper V cluster: Management, Live migration, Cluster, and Storage.

I would suggest you configure the network settings below:

  1. Management Network: Two 1GB NICs to configure NIC teaming, in Cluster network, check "Allow Cluster network communication on this network" & "Allow clients to connect through this network".


  2. Live migration Network: One 10GB NIC, in Cluster network, check "Allow Cluster network communication on this network" & "Allow clients to connect through this network"; In live migration settings, put this network in the first order.


  3. Cluster Network: Two 1GB NICs to configuration NIC teaming, in Cluster network, check "Allow Cluster network communication on this network".


  4. Storage Network: One 10GB NIC, in Cluster network, Check "Do not allow cluster network communication on this network".

For more information about the Cluster network, please refer to the link below:

https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn550728(v=ws.11)

For more information about the NIC teaming, please refer to the link below:


https://docs.microsoft.com/en-us/windows-server/networking/technologies/nic-teaming/nic-teaming-settings

Thanks for your time!
Best Regards,
Anne


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Thank you very much for your answer!

I was thinking of using both 10 gb iSCSI interfaces in order to setup Multipath (MPIO) for the storage network.

In that case, what would be the optimal setup for the four 1 gb NICs for the management, live migration and cluster networks?

Thanks again!

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Hi,

I was thinking of using both 10 gb iSCSI interfaces in order to setup Multipath (MPIO) for the storage network.

That's OK.

In that case, what would be the optimal setup for the four 1 gb NICs for the management, live migration and cluster networks?

I'd suggest 1Gb NIC as management network, 1GB NIC as cluster network. two 1GB NICs group with NIC team for live migration.

Best Regards,
Anne

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Thank you very much for your time!

Best regards,
N.

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