This workshop will give you a quick toolbox of skills to troubleshoot Data Communications, Networking and TCP/IP. You will; - Troubleshoot basic hardware and cabling problems - Briefly review use of TCP/IP utilities - Receive a 5 minute review on use of a simple protocol analyser

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Troubleshooting
Tips: Data
Communications,
Networking and
TCP/IP
by
Steve Mackay

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Technology Training that Workswww.idc-online.com/slideshare
EIT Micro-Course Series
• Every two weeks we present a 35 to
45 minute interactive course
• Practical, useful with Q & A
throughout
• PID loop Tuning / Arc Flash
Protection, Functional Safety,
Troubleshooting conveyors
presented so far
Go to:
http://www.eit.edu.au/free-courses
• You get the recording and slides

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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.

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Technology Training that Workswww.idc-online.com/slideshare
Objectives
• Basics of
troubleshooting
• Focus on TCP/IP Utilities
• Introduction to Protocol
analysis

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Topics
• Overall concept
• Hardware & Cabling
• TCP/IP Utilities
• Packet Analysis

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1.0 Introduction

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Overall Concept

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Tools of the trade
• Cable tester
• TCP/IP (and other third party) Utilities
• Protocol Analyzer (e.g. Wireshark)

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2.0 Hardware & Cabling

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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

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3.0 TCP/IP Utilities

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Utilities
• Ping
• Arp
• Netstat
• Nbtstat
• Ipconfig
• Tracert

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Ping -t
• Easiest ways to test connectivity across the network and
confirm that an IP address is reachable

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Arp -a
• Displays hardware and IP address mapping

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Netstat-e
• Displays activities since
last reboot
• Useful data on any
problems

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Nbtstat
• Protocol Stats & TCP/IP connections

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Ipconfig /all

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Tracert

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4.0 Packet Analysis

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OSI Model

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Packet Structure

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Thank You For Your Interest
If you are interested in further training, please visit:
http://www.idc-online.com/slideshare