LBT loadbalacing via a converged network adapter

We use Dell with an installed ANC blades. The ANC manages Ethernet traffic both CF and presents a vmhba and vmnic to the ESX host. On the DVS we use LBT (route physical NIC load accordingly). I know that LBT is based on the use of an uplink. When the use on the uplink reached 75%, LBT will balance traffic to the second uplink. But does also FC traffic counts? I'm curious to know how the LBT in this case?

LBT leans on Ethernet traffic crossing the dvUplink with the 75% threshold is based on the port speed. LBT looks not to the traffic of vmhba CF. It's your CNA either divide the 10 GB in single port speeds (for example 6 GB for Ethernet and 4 GB for FC / FCoE) or to provide some sort of control flow without loss to FC. In both cases, LBT focuses only on the saturation of dvUplink Ethernet, not the saturation of CNA.

Tags: VMware

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