Over the last 11 weeks you have acquired additional information regarding TCP/IP, protocols, and specifically how this all plays a vital role in networking. I realize that some of the material is “dry”, but when it comes down to it… having a knowledge base of the content, how it is setup, along with how to […]
Objective: Use a custom capture filter on Wireshark to observe only traffic involving a local host. Description: In this project, you build a custom filter for your own traffic. Open a command prompt window. (Use the Start menu search box or the Search box on the task bar. Type cmd and then press Enter.) Start […]
Ping Another Device on a Network Using ICMPv4 Echo Requests Objective: Send Echo Request messages to a host on your network, receive Echo Reply messages, and capture the transaction in Wireshark. Description: This project shows you how to use the Ping utility at a Windows command prompt to test connectivity with another local computer and […]
ICMP Basics – pg 250 – general info Roles ICMP Plays on IP Network pg 251 – general info – know basics of Table 5-1 ICMPv4 pg 251 – general info ICMPv4 Header pg 252 – Type, code, checksum fields – general info on each Types of ICMPv4 Messages pg 256 – Destination Unreachable – […]
Download IMCPv6 pcap
Learn how to recognize the differences among several different routing protocols and their packets as their data is displayed in Wireshark. Description: In this project, you use Wireshark to view sample capture files of different routing protocols for both IPv4 and IPv6. To view RIPv1 routing protocol data: Start Wireshark. (In Windows 7, click the […]
IP Packet and Packet Structure – why we have it – pg 104 IPv4 Header Fields and Functions – pg 104 general info version field Header length field Type Of Service Precedence / Type of Service Differentiated Services Know the difference between the above (general info) DSCP 46 (101110) – expedited forwarding used for VoIP, […]
Case Project 3-2: Interpreting a Checksum Error You are a network technician using Wireshark to monitor IPv4 traffic between two nodes on the local network. You select a packet in the capture and then expand Internet Protocol Version 4. You notice that the header checksum is incorrect, as shown in Figure 3-26. What could be […]
