Enabling jumbo frames specifically on the interfaces supporting the storage network might help improve the overall read/write performance of the Azure Stack HCI cluster. An end-to-end configuration of jumbo frames is required to take advantage of this technology. However, support for jumbo frame sizes varies among software, NIC, and switch vendors. The lowest value within the data path determines the maximum frame size that is used for that path.
|Card||Maximum frame size supported|
|Mellanox CX5/CX6||9614 bytes|
|Qlogic 41262||9614 bytes|
For the storage network adapters in the host operating system, enable jumbo frames by running the Set-NetworkAdapterAdvancedProperty cmdlet.
For information about configuring jumbo frames at the switch port level, see Sample Network Switch Configuration Files.