Network load balancing: Difference between revisions

Revision as of 07:46, 20 June 2018

Revision as of 04:37, 20 November 2018

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=== Unicast mode ===

In unicast mode MS NLB reassigns the stations [[MAC address]] (which applies to the clusters [[IP address]]) to a virtual MAC address and all [[Network interface controller|NIC]]'s in the NLB cluster use this same MAC address. This setup will cause all incoming traffic for the cluster to be flooded to all ports of the switch as unknown unicast frames:<ref name="vmware">VMWareVMware knowledge base: [http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1006580 MS NLB in unicast and multicast mode], visited 8 May 2013</ref> even to hosts that are not joining in the cluster. To keep flooding minimal you would need to use a dedicated VLAN for the cluster.

=== Multicast mode ===