Chris Greer
Chris focuses on assisting IT professionals in resolving the root cause of network and application performance problems. This is primarily done through use of a protocol analyzer reading and interpreting trace files. Additionally, I teach courses in network analysis and troubleshooting, Wireshark, and several vendor analysis products. Chris supports clients in several regions of the USA, Latin America, and Caribbean.
Packet Challenge at Sharkfest - A Great Way to Test Your Skills!
This year at Sharkfest, Garland Technology is sponsoring the group packet challenge (Thank you!). As packet-heads, we all enjoy digging through trace files and finding the hidden gems that lead to resolving a problem. If most of our...
Are my Packets Lying? 4 Things to Look for in Packet Traces
Packets don’t lie – well, most of the time. They tell the truth unless they have been captured incorrectly. In those cases, packets can tell bold-faced lies. When digging through trace files, we can come upon symptoms in the packets that...
Network TAP vs SPAN Port: Putting Them to the Test
For years now we all have read about the difference between data capture off a span/mirror port and a network TAP. Packet Pioneer, Chris Greer was interested to see the difference between a data stream captured on a network TAP versus a...