OSTU - Wireshark TCP Stream Graphs (by Ray Tompkins)

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Ray Tompkins is the Founder and CEO of Gearbit. Ray is a Senior Network Specialist with over 28 years experience in troubleshooting, design, and implementation. His background includes 911 emergency consulting, and identifying the root cause of critical network problems. His knowledge of network protocols (LAN, VoIP, WAN and WLAN) and how they work within the enterprise networks are the key in providing customer service though knowledge transfer and education.

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  • if the option TCP Stream Graph is not enabled,what can be done?
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OSTU - Wireshark TCP Stream Graphs (by Ray Tompkins)

  1. 2. Wireshark Quick Tips Statistics TCP Stream Graphs copy right 2008 www.gearbit.com [email_address]
  2. 3. Statistics>TCP Stream Graph copy right 2008 www.gearbit.com [email_address]
  3. 4. Statistics>TCP Stream Graph <ul><li>Round Trip Time Graph : shows the round trip time for ACKs over time. </li></ul><ul><li>Through Put Graph : measures through put using TCP sequence numbers. </li></ul><ul><li>Time-Sequence Graph (Stevens): a graph of TCP sequence numbers versus time. This helps us see if traffic is moving along without interruption, packet loss or long delays. </li></ul><ul><li>Reference: TCP/IP Illustrated by W. Richard Stevens </li></ul><ul><li>Time-Sequence Graph (tcptrace): a graph of TCP sequence numbers versus time. It also keeps track of the ACK values received from the other endpoint and tracks the receive window advertised from the other endpoint. </li></ul><ul><li>Reference: tcptrace is a tool written by Shawn Ostermann at Ohio University see www.tcptrace.org </li></ul>copy right 2008 www.gearbit.com [email_address]
  4. 5. TCP Stream Graph: Round Trip Time copy right 2008 www.gearbit.com [email_address]
  5. 6. TCP Stream Graph: Through Put Graph copy right 2008 www.gearbit.com [email_address]
  6. 7. TCP Stream Graph: Time Sequence Graph (Stevens) copy right 2008 www.gearbit.com [email_address]
  7. 8. TCP Stream Graph: Time Sequence Graph (tcptrace) copy right 2008 www.gearbit.com [email_address]
  8. 9. TCP Stream Graph: Helpfully Keys <ul><li>Keys To Viewing TCP Stream Graphs </li></ul><ul><li>Takes you to the packet within the trace file Ctrl + left mouse click </li></ul><ul><li>Magnifies a portions of the graph Ctrl + right mouse click </li></ul><ul><li>Zoom In Left mouse click </li></ul><ul><li>Zoom Out Shift + left mouse click </li></ul><ul><li>Allows you to move the graph around Right Mouse Click </li></ul>
  9. 10. TCP Stream Graph: Time Sequence Graph (Stevens) Slow Response Time copy right 2008 www.gearbit.com [email_address]
  10. 11. TCP Stream Graph: Time Sequence Graph (Stevens) Slow Response Time copy right 2008 www.gearbit.com [email_address]

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