VNS3 How to: Use the Network Sniffer

The Network Sniffer is a great troubleshooting tool. You can monitor both the public IP network interface and the Overlay Network interface of the VNS3 controller.

When using the Network Sniffer, there are two things to remember:

  1. The page does not auto refresh (use the Refresh button instead)
  2. Use the interface toggle between eth0 and tun0

Watch the video on Youtube:

To learn more, visit to see the FAQs. For help getting started with VNS3 see the videos for each cloud provider and follow along with documentation from

By: Margaret Valtierra