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ZeroTier is a distributed network hypervisor built atop a cryptographically secure global peer to peer network. It provides advanced network virtualization and management capabilities on par with an enterprise SDN switch, but across both local and wide area networks and connecting almost any kind of app or device.

You can use Traceflow to inspect the path of a packet as it travels from one logical port on the logical network to another logical port on the same network. Traceflow traces the transport node-level path of a packet injected at a logical port. The trace packet traverses the logical switch overlay, but is not visible to interfaces attached to the logical switch. In other words, no packet is actually delivered to the test packet’s intended recipients. You can use the port connection tool to quickly visualize and troubleshoot the connection between two VMs.

The .vmsn file includes the current configuration (.vmx) and bios setting (.nvram). The memory is stored in the .vmem file.

The Universal Distributed Logical Router is installed in the kernel of every ESXi host, as such it requires a VM to provide the control plane.

The universal distributed logical router Control VM is the control plane component of the routing process, providing communication between NSX Manager and NSX Controller cluster through the User World Agent.

NSX Manager sends logical interface information to the Control VM and NSX Controller cluster, and the Control VM sends routing updates to the NSX Controller cluster.

Context- aware firewall enhances the visibility at the application level and helps to override the problem of application permeability. Visibility at the application layer helps you to monitor the workloads better from a resource, compliance, and security point of view.

Firewall rules cannot consume application IDs. Context-aware firewall identifies applications and enforces a micro-segmentation for EAST-WEST traffic, independent of the port that the application uses. Context-aware or application-based firewall rules can be defined by defining Layer 7 service objects.

If your dashboard is indicating that a host is not in a healthy state, you can capture packets for that particular host for further troubleshooting. You can capture packets using the new Packet Capture tool, to help diagnose and solve network related problems.

You can create a packet capture session for required hosts on the NSX Manager using the Packet Capture tool. After the packets are captured, the file is available to download.

Maximum of 16 sessions and total of 400 MB files are available to download. If you want to start a new session after reaching maximum session, you must clean the older sessions.

Your session remains active for 10 minutes, and the existing session is removed one hour after the session was created. If you restart NSX, all the existing sessions are cleared.