VMware NIC Load Balancing and Teaming, the Math

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VMware NIC Load Balancing and Teaming, the Math | Blah, Cloud #28

Open mylesagray opened 2 years ago

mylesagray commented 2 years ago

Written on 08/11/2015 07:29:33

URL: https://blah.cloud/virtualisation/vmware-nic-load-balancing-and-teaming-the-math/

mylesagray commented 2 years ago

Comment written by goslackware on 08/11/2015 14:41:20

Hi Myles,

nice article.

It should be mentioned:
- that real world tests show that VMware's IP-Hash is actually using 8-bits (only the last octet), within a frame (at least when tested on version 5.0), not 32-bits:
http://thomaslowblog.blogsp...

- In version 5.1, LACP only supports IP Hash, so for 5.1 you'll need multiple vnics per VM as well.
But, in version 5.5, LACP supports all algorithms:
http://kb.vmware.com/selfse...

mylesagray commented 2 years ago

Comment written by Jeremy on 08/11/2015 15:04:54

Amazing info, thanks for the great resource.

mylesagray commented 2 years ago

Comment written by Brandon on 10/30/2015 03:31:50

Because each vNic isn't assigned a different PortID, both PortID and SrcMAC account for multiple vNics. The biggest difference is that MAC addresses don't change when a VM is vMotioned or restarted, and PortIDs do.