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NSX-T Opaque Networks now supported with Cross vCenter Workload Migration Fling

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The Cross vCenter Workload Migration Fling continues to be an extremely powerful tool for our customers and I just love hearing successful customer stories like the one recently shared by Jason on how the tool allowed him to easily migrate over 600 Virtual Machines and with more to come!

One capability that customers have been asking for is the ability to migrate to and from an NSX-T Opaque Network type, which the current Fling does not support. This has become more and more important as the default NSX stack for VMware Cloud on AWS (VMC) is now NSX-T by default, rather than NSX-V. We are also seeing requests from on-premises customers who have deployed NSX-T for their next generation infrastructure and needing the ability to easily migrate workloads between their old infrastructure that maybe running VSS/VDS or NSX-V backed networks.

With the help from two new colleagues, Vikas Shitole and Rajmani Patel, we are excited to announce the release Cross vCenter Workload Migration v2.6 which now adds support for NSX-T Opaque Networks!

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Which NSX-T Policy APIs are used in the NSX-T UI in VMC?

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As the adoption of VMware Cloud on AWS (VMC) continues to accelerate, one of the very first UI interface that customers must interact with is the NSX-T UI, for enabling basic connectivity. By default the Edge Gateway has a Deny All Firewall Rule, so you will need to come to this screen to setup connectivity from your on-premises environment including a Direct Connect (DX) or Route/Policy-Based VPN. For some customers who have familiarize themselves with the NSX-T UI and its capabilities, usually the next order of business is how do I go about automating these various aspects from Day 0 setup all the way to Day N where I am migrating in or creating additional workloads.

A very common set of questions that I have been getting lately is which API do I need to look at to do X in the NSX-T UI in VMC?


Having spent some time with the NSX-T Policy API, I figure it would be useful to share the categories of NSX-T Policy API that maps back to what you see in the NSX-T UI in VMC. The list below is not exhaustive, but should it should point you in the right direction when needing to automate a particular operation.

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How to retrieve the NSX-T Overview Info (SDDC Public IP, Appliance & Infra Subnet, etc.) in VMC?

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I recently a question from one of our VMware Cloud on AWS (VMC) field folks who was looking to programmatically retrieve the SDDC Public IP Address which is shown under the NSX-T Networking & Security Overview page within the VMC Console as shown in the screenshot below. 


This actually had me stumped for a bit as I was not able to find anything mentioned in the NSX-T Policy API documentation. My last resort before pinging the NSX Engineers was to use one of my favorite browser tool, Chrome Developer Tools, which allows me to inspect all requests made to a specific web page and can also be helpful in figuring out which REST APIs the UI is using.

It turns out for this particular page, the information was not actually coming from the NSX-T Policy API but rather from another endpoint and specifically /cloud-service/api/v1/infra/sddc-user-config which I am guessing has to do with the fact that some of this information is really AWS specific information such as the Public IP Address for example. In any case, once I realized what the endpoint was and that I could still use the VMC NSX-T Reverse Proxy to retrieve the details, it was pretty straight forward.

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