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Visibility Solutions

Garland Technology is committed to educating the benefits of having a strong foundation of network visibility and access. By providing this insight we protect the security of data across your network and beyond.


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The TAP into Technology blog provides the latest news and insights on network access and visibility, including: network security, network monitoring and appliance connectivity and guest blogs from Industry experts and technology partners


Our extensive technology partnership ecosystem solves critical problems when it comes to network security, monitoring, application analysis, forensics and packet inspection.


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Whether you are ready to make a network TAP your foundation of visibility or just have questions, please contact us. Ask us about the Garland Difference!

[Video] VLAN Analysis with Wireshark 2.0

When I teach Wireshark classes, I commonly get asked, “What do I do when I get back to my desk?”, “What if I can’t span a port, or don’t have a TAP?”

I typically show my attendees dozens of “Baselines” that would only take a few minutes to complete.

Here’s an example of one of my favorite baselines; Start a capture and analyze whatever you see. No taps, span or mirror ports.

All the packets you see will be there for a reason from certain devices based on their current configuration. I won’t kid you, the first time you go through this it might take a bit of time, but when you get the hang of it you will be able to identify how devices are configured and how to tune them.

Getting Started with VLAN Analysis

In this video I show you some tips and tricks to get you started and create filters for captures of IPv4, IPv6, STP, SSDP, CDP, as well as how to define end points.

Let me know if you find this helpful and I will make more videos covering other protocols and scenarios.

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Written by Tony Fortunato

Tony Fortunato is a Senior Network Performance Specialist with experience in design, implementation and troubleshooting networks since 1989. Tony will teach or troubleshoot on your live network as part of his customized onsite training service for your staff.



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