Wireshark Traffic Analysis: Customizing the Interface, ARP, ICMP, and DNS

سرفصل های دوره

Using Wireshark to identify and analyze ARP, ICMP, and DNS traffic is a great tool to add to a network engineer's toolkit. Many of the most easily corrected problems on a network can be solved by understanding proper operation of these protocols.

1. Course Overview

1. Course Overview

2. Customizing the Wireshark Interface

1. Introduction

2. Demo- Create and Edit Profiles

3. Demo- Adding and Removing Columns

4. Demo- Adding Filter Buttons

5. Demo- Modifying Colorization Rules

6. Summary

3. Troubleshooting Layer 2 Issues with ARP

1. Introduction

2. How ARP Works

3. Demo- Examining ARP Operation in Wireshark

4. Demo- Ensuring All Packets Are Captured with SPAN Port

5. Demo- ARP Operation with a Device Offline

6. Demo- ARP Operation with a Duplicate IP Address on the Network

7. Summary

4. Introducing ICMP to Troubleshoot Networks

1. Introduction

2. Internet Control Message Protocol (ICMP)

3. Demo- Capturing and Analyzing Ping Traffic in Wireshark

4. ICMP Types and Codes

5. Traceroute Operation

6. Demo- Examining TRACERT in Wireshark on Windows

7. Demo- Examining TRACEROUTE in Wireshark on Linux

8. Summary

5. Troubleshooting Using ICMP Error Messages

1. Introduction

2. ICMP Type 3 Codes

3. Demo- Examining ICMP Destination Host Unreachable

4. Demo- Examining ICMP Destination Network Unreachable

5. Demo- Examining ICMP Destination Port Unreachable

6. Demo- Examining ICMP Destination Protocol Unreachable

7. Demo- Examining ICMP Destination Administratively Prohibited

8. Demo- Examining ICMP Redirects

9. Summary

6. Examining and Troubleshooting DNS

1. Introduction

2. The Flow to Request a Website

3. Demo- Examining Slow DNS Response Causing Website Download Delay

4. Summary

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تولید کننده: PluralSight