Troubleshooting Slow Networks with Wireshark

Troubleshooting Slow Networks with Wireshark
Troubleshooting Slow Networks with Wireshark
English | MP4 | AVC 1280×720 | AAC 44KHz 2ch | 3h 02m | 965 MB

Tired of dealing with slowness on networks? Grab a copy of Wireshark and follow along as you dive into packet data to investigate the root cause of many network and application performance problems.

It’s easy for network admins to become bogged down in slow networks. In this course, Troubleshooting Slow Networks with Wireshark, you will learn to capture and interpret network packet data to solve performance problems. First, you will learn how and where to properly capture packets with Wireshark. Next, you will discover how to measure network and application response time. Finally, you will explore how to use built-in features in Wireshark designed to quickly spotlight performance problems. When you’re finished with this course, you will have the skills and knowledge with Wireshark needed to resolve these network problems for good.

Table of Contents

Course Overview
1 Course Overview

Collecting The Right Data Where and How
2 Network Visibility Is Everything
3 Common Analysis Methods
4 Where to Capture
5 How to Capture
6 Demo – On-demand Capture with Wireshark
7 Demo – On-going Capture with Wireshark
8 What to Capture
9 Demo – Applying Capture Filters and Packet Slicing
10 When to Capture

Analyzing End User and Application Behavior
11 How Packets Are Encapsulated
12 Demo – Dissect a Packet in Wireshark
13 Identifying Client Conversations
14 Demo – Analyze Client Conversations
15 Creating and Applying Display Filters
16 Demo – Creating and Applying Display Filters
17 Top 10 Wireshark Filters for Analysis
18 Demo – Top Display Filters
19 Analyzing End User and Application Behavior

Measuring Network and Application Response Time
20 Measuring DNS Response Time
21 Demo – Measuring DNS Response Time with Wireshark
22 Exercise – Measure Your Local DNS Response
23 Measuring Network Latency
24 Demo – Measuring Network Latency with Wireshark
25 Exercise – Measure Your Local Network Delay
26 Measuring Application Response Time
27 Demo – Measuring Application Response Time with Wireshark

Identifying Common Causes of Slow Networks
28 Packet Loss
29 Demo – Identifying Network Packet Loss with Wireshark
30 Network Congestion
31 Demo – Identifying Network Congestion with Wireshark
32 Slow Application Response Time
33 Demo – Identifying Slow Application Response Time with Wireshark
34 Busy Servers
35 Demo – Identifying Busy Servers with Wireshark
36 Poorly Written Applications
37 Demo – Investigating High Application Turns with Wireshark
38 TCP Protocol Issues
39 Demo – Identifying TCP Protocol Issues with Wireshark

Features in Wireshark for Resolving Slowness
40 Features in Wireshark for Resolving Slowness
41 Demo – Using Protocol Time Filters
42 Demo – Using TCP Timestamps in Wireshark
43 Demo – Using TCP Stream Graphs
44 Demo – Measuring Throughput
45 Module Summary – Features in Wireshark