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Securing Platform Communication in a vRealize Network Insight Cluster

Hi there! It’s been a while. How are you doing? In the last release of vRealize Network Insight, version 6.3, there’s a new feature called Secure Cluster Communication. By default, the communication between Platform and Collectors is encrypted via TLS. A Platform cluster, has a few data replication services (FoundationDB, Kafka,  running between them – which are not all encrypted by default. The Secure Cluster Communication feature allows you to set up VPN tunnels between the Platform nodes and encrypt all traffic going between them. 

It’s not recommended to split Platform nodes between different locations. But, if you do … Read more

Syncing Flows between vRealize Network Insight Collectors

There are a few reasons you’d want to have multiple Network Insight instances collecting data from the same data sources. Maybe one is a staging instance, and the other is a production instance. Perhaps you’re rebuilding Network Insight on another instance (and can’t move the existing one), but do want to have them running parallel for some time. I could go on.

One of the challenges is being able to collect network flows in both instances, as vSphere can only send flows to a single collector IP. You could solve this with a NetFlow duplicator, but now there’s another … Read more

VCIX-NV Objective 7.2 – Manage and Report on an NSX Environment using the NSX Command Line Interface

This post is part of my VMware VCIX-NV Study Guide and details the possibilities to use the command line interface on all sections of NSX.

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