ESXi 5 and Jumbo Frames

[Cannoli]

What is the proper way to configure jumbo frames for an ESXi cluster that uses NetApp as the shared storage?  Do I configure jumbo frames all the way into the Guest VM's NIC or do I stop at the dvSwitch?  I already know to configure jumbo frames all the way through to the storage on the physical hardware.  it's just the VM where I'm unsure, and if I don't configure it at the VM, will there be any problems?

Thanks!!

[vmroyale]

Hello.

How are the VMs accessing the storage, or is it just the ESXi hosts that are accessing it? If it is just the ESXi host (VMFS datastores), then you don't need to mess with the VMs. If you are using iSCSI guest initiators, then you would need to get the VMs as well.

Good Luck!

[Cannoli]

The datastores are mounted as NFS and the VM's .vmdk files live on those NFS datastores.

[vmroyale · Accepted solution]

Then you don't need to do anything to the virtual machines.

[Cannoli]

Excellent, thank you!

[durakovicduro83]

Yes this just fine but you network environment must support jumbo frames

So your switch or nic must support jumbo frames, MTU 9000 bytes.

Cheers,

Denis