IS vs VST benefits and so on...

We are in the design phase of network deployment of VMWARE NEW within our small business environment and I'm at the point where I'm laying on separate networks and so on.  Switching (EST) 10G configurations become a little bit heavy than the VLAN, it will take multiple connections to hosts and I'm looking to see other options.  I noticed another method called (VST) which is fundamentally changing the switches in the big pipes of 10G trunk between hosts/storage and firewalls.  I'm looking to get an idea as to what others use, but it seems that simplify switching configurations and basically managing the operation of the network of ESXI is logical in our small environment.  Are there performance issues to keep in mind when using VST?  Any comments would be greatly appreciated.

I would say that your configuration is actually more of an exception than vice versa. Virtually all of the world, particularly large environments who really care performance use VST since their early days, except if they for some reason any rare launch only a single broadcast domain layer flat 2 where everything is cast in a subnet (pretty bad design because there is no insulation for traffic management/vMotion).

As you say VST things a lot easier by eliminating the need of a pair (if you want to team up with failover) of physical network adapters and switch ports for each VLAN.

There is no performance penalty that I never noticed or heard of, not to mention than 802. 1 q marking should be unloaded in the NETWORK adapter hardware unless you run Desktop-grade NIC onboard or something.

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