To enable Jumbo Frames for independent hardware iSCSI adapters on your ESXi host, change the default value of the maximum transmission units (MTU) parameter.

Use the Advanced Options settings to change the MTU parameter for the iSCSI HBA.


  1. In the vSphere Client, navigate to the ESXi host.
  2. Click the Configure tab.
  3. Under Storage, click Storage Adapters, and select the independent hardware iSCSI adapter from the list of adapters.
  4. Click the Advanced Options tab and click Edit.
  5. Change the value of the MTU parameter.
    ESXi supports the MTU size up to 9000 Bytes.