Troubleshooting Tips for Data Communications
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This document discusses troubleshooting tips for data communications and networking. It covers using utilities like Ping, ARP, Netstat, Nbtstat, Ipconfig, and Tracert to troubleshoot TCP/IP issues. It also discusses using a protocol analyzer like Wireshark to analyze packets and network traffic. The document provides an introduction to troubleshooting hardware and cabling issues, then covers various TCP/IP utilities and their uses in troubleshooting before concluding with a brief overview of packet analysis.
Troubleshooting Tips for Data Communications
- 1. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Troubleshooting Tips: Data Communications, Networking and TCP/IP by Steve Mackay
- 2. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Thank You For Your Interest If you are interested in further training or information, please visit: http://www.idc-online.com/slideshare
- 3. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Overall Presentation A quick introduction to troubleshooting industrial data communications systems from cabling & hardware; TCP/IP utilities to protocol analysis.
- 4. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Objectives • Basics of troubleshooting • Focus on TCP/IP Utilities • Introduction to Protocol analysis
- 5. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Topics • Overall concept • Hardware & Cabling • TCP/IP Utilities • Packet Analysis
- 6. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare 1.0 Introduction
- 7. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Overall Concept
- 8. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Tools of the trade • Cable tester • TCP/IP (and other third party) Utilities • Protocol Analyzer (e.g. Wireshark)
- 9. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare 2.0 Hardware & Cabling
- 10. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Hardware and Physical Cabling • Check cable on both sides of connection • Switch lights • Incorrect wire type and components • Straight versus cross over cable • Excessive untwists • Damaged RJ-45 connector • Electrical noise and shielding
- 11. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare 3.0 TCP/IP Utilities
- 12. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Utilities • Ping • Arp • Netstat • Nbtstat • Ipconfig • Tracert
- 13. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Ping -t • Easiest ways to test connectivity across the network and confirm that an IP address is reachable
- 14. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Arp -a • Displays hardware and IP address mapping • http://e-spohn.com/blog/2012/05/26/wep-cracking-automated/arp-request-replay/
- 15. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Netstat-e • Displays activities since last reboot • Useful data on any problems
- 16. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Nbtstat • Protocol Stats & TCP/IP connections • http://www.windowsecurity.com/articles- tutorials/windows_os_security/Profiling-Operating-System-Part4.html
- 17. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Ipconfig /all
- 18. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Tracert
- 19. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare 4.0 Packet Analysis
- 20. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare OSI Model
- 21. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Packet Structure
- 22. www.eit.edu.au Technology Training that Workswww.idc-online.com/slideshare Thank You For Your Interest If you are interested in further training or information, please visit: http://www.idc-online.com/slideshare