LMTV SharkFest | Packet Capture Techniques (by Paul Offord)
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Real Network Nightmares Video 6 of 7 (by Tony Fortunato)

Application TCP MSS Efficiency

TCP MSS is one of those things you take for granted, gets confused with its cousin MTU and can cause performance issues.

In this video, I run some tests from my Optiview XG as well as capture some packets to validate my findings. The network tools weren’t reporting anything suspicious. The network staff didn’t have the time to go through the packets in any detail, but didn’t see anything at first glance.

When I took a peek, I noticed in the TCP 3 way handshake where the problem was. Watch the video and hope it helps you with your future troubleshooting.

Enjoy.

 

 

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