An ESXi host is limited to two 1GbE physical NICs to support VM traffic. Which VDS teaming policy should be chosen to ensure maximum availability across both uplinks?
To utilize NIC teaming, two or more network adapters must be uplinked to a virtual switch. The main advantages of NIC teaming are:
Increased network capacity for the virtual switch hosting the team.
Passive failover in the event one of the adapters in the team goes down.
Observe these guidelines to choose the correct NIC Teaming policy:
Route based on the originating port ID: Choose an uplink based on the virtual port where the traffic entered the virtual switch.
Route based on an IP hash: Choose an uplink based on a hash of the source and destination IP addresses of each packet. For non-IP packets, whatever is at those offsets is used to compute the hash.
Route based on a source MAC hash: Choose an uplink based on a hash of the source Ethernet.
Use explicit failover order: Always use the highest order uplink from the list of Active adapters which passes failover detection criteria.
Route based on physical NIC load (Only available on Distributed Switch): Choose an uplink based on the current loads of physical NICs.
The 2 x 1 GB bandwidth can be maximized via VDS physical NIC load feature hence option C is correct. https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.networking.doc/GUID-E356DCBF-913B-4FD1-BDB1-C5E63A891B14.html
I guess that IP hash should be the correct answer coz physical Nic load based balancing just calculate the load for each 30 sec while IP hash does for each packet.
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