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TAP Into Technology

Leading the Way in Network Technology

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.

Recent Posts

When QUIC isn't so Quick

on 8/15/17 8:00 AM By | Tony Fortunato | 0 Comments | Network Management
In the beginning, SPDY, an open networking protocol developed primarily at Google for transporting web content was supported on Internet Explorer and Chrome web browsers through a default setting.  The core developers of SPDY were involved in the development of HTTP/2. Back in February 2015, Google announced that as a result of the final ratification of the HTTP/2 standard, support for SPDY would be deprecated, and that support for SPDY was withdrawn completely in 2016. Let me show you how to disable SPDY in Internet Explorer and QUIC in Chrome.
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[Video] VLAN Analysis with Wireshark 2.0

on 5/16/17 8:00 AM By | Tony Fortunato | 0 Comments | Network Visibility/Monitoring Wireshark
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.
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[Video] How To Determine DHCP Option 60 Value Using Wireshark

on 4/11/17 8:00 AM By | Tony Fortunato | 0 Comments | Network Visibility/Monitoring Wireshark
There are an increasing number of network attached devices, and trying to keep them organized gets to be challenging. Since different devices might require different IP configuration settings and statically configuring them isn’t realistic. There are several approaches to deal with this.
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[Video] Weird by Works: Fixing Drag and Drop With VMware Workstation 12

on 3/9/17 8:00 AM By | Tony Fortunato | 0 Comments | Network Management Network Visibility/Monitoring
VMWARE and virtual machines in general should be a very important part of your tool kit.  Virtual environments allow you to better familiarize yourself with different operating systems or test without affecting your real environment or equipment. Applications such as GNS3, Packet Tracer are great network simulators and VMWARE and VBOX are examples of computer operating system emulators. I thought I would share what I figured out when working with VMWARE workstation and Microsoft Windows guest operating system.
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[video] Observing The Impact Multiple Default Gateways With Wireshark

on 2/16/17 8:00 AM By | Tony Fortunato | 0 Comments | Network TAPs Network Visibility/Monitoring Wireshark
I was speaking with a client the other day and they were asking me how Microsoft behaves if a device has two default gateways. One thing I have to say about my job and clients, I always get interesting scenarios and questions to figure out.
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[Video] SPAN vs TAP Comparison

on 4/14/16 8:00 AM By | Tony Fortunato | 0 Comments | Network TAPs TAPs vs SPAN
I want to address the age old argument of SPAN vs TAP. Over the years I’ve read a few articles covering the points you should be familiar with when working with either. Most of the articles cover similar points; SPAN will not forward corrupted packets and that it can drop packets. What I haven’t seen is material addressing the timing issue as well as a realistic load of approximately 9%. Here's what my video shows...
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