IP - Riberiko/Wireshark-Project GitHub Wiki

IP

  1. Start capturing the packets using Wireshark tool.
  1. For Windows OS: Open the command window and type
    tracert 208.54.86.239 and press enter.
  2. For Linux: Open the terminal and type traceroute 208.54.86.239 and press enter.
  3. For Mac: Open the terminal and type traceroute 208.54.86.239 and press enter.
  1. When the tracert command execution stops, stop capturing the packets.

  2. You will see many ICMP (a layer 3 protocol) packets. Select the first one.

4. Answer the following questions:

  1. (4 pts) What is the version of the IP? What is the IP address of your host? IP version 4, 192.168.1.23
  1. (4 pts) What is the value of the upper layer protocol within the IP header? ICMP (1)
  1. (4 pts) What is the size of the IP header? What is the payload size of the IP datagram? How you have calculated it? IP header length = 20 bytes, payload size = 72 byes, this was done by subtracting the header size form the total length
  1. (4 pts) Has this IP datagram been fragmented? How you can determine this? This ip datagram has not been fragmented i can tell because the fragment offset is 0, and the header does not contain any packet fragment details

Give the screenshot of the Wireshark packet capture window.

The screenshot from wireshark