Uploaded by Bharat Koirala

Week 3 Lab- Analysis of ICMP Traffic.

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1. Start Wireshark and apply a capture filter for ICMP traffic.
2. From a command prompt run the ping command with a target IP address of 8.8.8.8
and determine how many messages related to the ping command are in the packet
capture.
There are 131 messages related to the ping.
3. What is the value of the type field contained within the ICMP header for each
message type?
Ping request was type 8 and reply was type 0.
4. What is the time to live value contained within the IPv4 header for each message
type?
For the ping request, ttl is 64 and for ping reply it is 56.
5. What is the length of the ICMP packet header for each message type?
The length of the ICMP request and reply packet headers are 98.
6. What is the length of the ICMP packet payload for each message type?
The length of the ICMP packet payload for each message is 48 bytes.
7. What is the total length of the ICMP packet header + the ICMP packet payload for
each message type?
The total length of the ICMP packet header + the ICMP packet payload for each message
type is 146.
8. From a command prompt run the tracert command with a target IP address of
8.8.8.8 and determine how many messages related to the tracert command are in the
packet capture.
There are 26 messages.
9. What is the value of the type field contained within the ICMP header for each
message type related to the tracert command?
The value of the type field is 11.
10. What is the total length of the ICMP packet header + the ICMP packet payload for
each message type?
The total length is 41.
11. Save the capture file as YourLastName_HOL3.pcapng and upload it with this
completed worksheet.
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