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.
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
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)
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
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/
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