network

NestedESXi – Network Performance Improvements with Learnswitch

I’ve been running my NestedESXi homelab for about eight months now but in all that time I had not installed or enabled the ESXi MAC Learning dvFilter. As a quick refresher the VMware Fling addresses the issues with nested ESXi hosts and the impact that promiscuous mode has when enabled on virtual switches. In a […] Read More

CPU Overallocation and Poor Network Performance in vCD – Beware of Resource Pools

For the longest time all VMware administrators have been told that resource pools are not folders and that they should only be used under circumstances where the impact of applying the resource settings is fully understood. From my point of view I’ve been able to utilize┬áresource pools for VM management without too much hassle since […] Read More

Nested ESXi – Reduced Network Throughput with Promiscuous Mode PortGroups

We have been conducting performance and stress testing of a new NFS connected storage platform over the past month or so and through that testing we have seen some interesting behaviours in terms of what effects overall performance relative to total network throughput vs Latency vs IOPS. Using a couple of stress test scripts, we […] Read More

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