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A Caveat to Multi-Cluster VDS Design with NSX

Chris Wahl of Wahl Network comments:

One of the many design decisions surrounding an NSX implementation concerns the distributed switch (VDS) and how far it should stretch. Many folks create one large VDS and stretch it across clusters for simplicity’s sake, which is fine. Be aware, however, that VMs can be manually pushed around from one cluster to the next via vMotion or erroneous administrator placement.

This is because the port groups that represent NSX logical switches – made obvious by the “virtualwire” name in the port groups – are attached to the VDS, which would be made available to all of your hosts that are joined to the VDS regardless of the installation of NSX software.

More greatness from Chris Wahl on NSX and proper networking design. A must-read for those looking at redesigning your network for NSX.

Read more at: A Caveat to Multi-Cluster VDS Design with NSX

About the author

Stephen Foskett

Stephen Foskett is an active participant in the world of enterprise information technology, currently focusing on enterprise storage, server virtualization, networking, and cloud computing. He organizes the popular Tech Field Day event series for Gestalt IT and runs Foskett Services. A long-time voice in the storage industry, Stephen has authored numerous articles for industry publications, and is a popular presenter at industry events. He can be found online at TechFieldDay.com, blog.FoskettS.net, and on Twitter at @SFoskett.

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