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Set Up a VMkernel Network for vSAN

Now that we know What is vSAN and what are the prerequisites for creating a vSAN Cluster, lets start setting up a vSAN Network. Each host participating in a vSAN Cluster must have one VMkernel network adapter for vSAN traffic to enable the exchange of data in the vSAN cluster.


Before you proceed further, please make a note of few points -

  • All hosts in vSAN cluster must be connected to a vSAN Layer 2 or Layer 3 network.

  • Each host must have minimum bandwidth dedicated to vSAN. Dedicated 1 Gbps for hybrid configurations Dedicated or shared 10 Gbps for all-flash configurations

  • The vSAN network supports both IPv4 and IPv6.

  • Ensure that there is a connectivity between vSAN Network and ESXi host.

  • vSAN sends messages on certain ports on each host in the cluster. Verify that the host firewalls allow traffic on the below ports.

Image Source - VMware


You can create a vSAN VMkernel either on a standard switch or on a distributed switch. In this post I'll be creating a vSAN Networking on a standard switch.


So let's start configuring vSAN Network.

  1. Navigate to the host.

  2. Click the Configure tab.

  3. Under Networking, select VMkernel adapters.

  4. Click the Add Networking icon to open the Add Networking wizard.

  5. On the Select connection type page, select VMkernel Network Adapter and click Next.

  6. On the Select target device page, configure the target switching device.

  7. On the Port properties page, select vSAN service.

  8. Complete the VMkernel adapter configuration.

  9. On the Ready to complete page, verify that vSAN is Enabled in the status for the VMkernel adapter, and click Finish.


We now have successfully created a VMkernel network for vSAN cluster which is one of the prerequisite for creating a vSAN Cluster.


With this lets wrap up this post here. In the next post we will see how to Configure a vSAN Cluster.


Thank you for reading!


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