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 VMware VMotion uses a dedicated network to migrate virtual machines (VMs) between ESXi hosts without disrupting the VM's operation.


VMkernel Port for VMotion:


To enable VMotion, you need to create a VMkernel port on each ESXi host. The VMkernel port is used for VMotion traffic and is typically configured on a dedicated network.


Network Requirements for VMotion:


1. Dedicated network: VMotion requires a dedicated network to ensure that the migration process does not impact other network traffic.

2. Gigabit Ethernet: VMotion requires a Gigabit Ethernet connection to ensure that the migration process is completed quickly.

3. Low latency: VMotion requires low latency to ensure that the migration process is completed quickly and without disrupting the VM's operation.


Configuring the VMkernel Port for VMotion:


1. Log in to the ESXi host: Log in to the ESXi host using the vSphere Client.

2. Create a new VMkernel port: Create a new VMkernel port on the ESXi host.

3. Configure the VMkernel port: Configure the VMkernel port with the correct IP address, subnet mask, and gateway.

4. Enable VMotion: Enable VMotion on the ESXi host.


Best Practices for VMotion Networking:


1. Use a dedicated network: Use a dedicated network for VMotion traffic to ensure that the migration process does not impact other network traffic.

2. Use Gigabit Ethernet: Use Gigabit Ethernet connections to ensure that the migration process is completed quickly.

3. Monitor network performance: Monitor network performance to ensure that the VMotion process is completed quickly and without disrupting the VM's operation.

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