VMware and Nexus internal support for layer 2 priority vSwitch (802.1 p)?

Hello

Can someone provide a definitive answer on whether different types of vSwitch manage layer 2 priority internally (i.e. 802.1 p).  In other words, these switches internally generate queues waiting seprate, based on the received priority tag 802,1 p, then manage each of these queues at the specified priority (highest priority first transmitted). Or what's a queue internal so efectively not a priority within the vSwitch, just from any external switch (physical) marking in the path.

Interested in the answer for each of: standard vSwitch, Distributed vSwitch, Nexus vSwitch.  In vSphere 5 and above.

I asked similar questions before, and no real clear answer.  Apologies if I've simply not spotted, but I searched the docs of VMware and Nexus and of course google pretty bad too.

Thanks for the answers or pointers,

PeterB

The Nexus 1000v using CB - WFQ

With Cisco Nexus 1000V Series Switches Release 4.2 (1) SV1 (4) or more recent, virtualization environments can now also enjoy based on a class of weighted Fair Queuing for congestion management.

Here is a white paper.

http://www.Cisco.com/en/us/prod/collateral/switches/ps9441/ps9902/white_paper_c11-704041.html

Tags: VMware

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