LAB 1: Start Using Wireshark
Report for Lab4-2: ICMP
Name: / Student ID: / Date:Part I
1 / Destination IP address:
2 / Number ping messages sent:
3 / Number of bytes of data sends with each ping message:
4 / The round-trip time for each packet:
5 / Minimum round-trip: Average round-trip: Maximum round-trip:
Part II
1 / Destination IP address of Echo request ICMP messages:
Does the result agree with the information in Part I of the lab?
2 / Number of Echo request ICMP packet: Number of Echo reply ICMP:
Does the result agree with the information in Part I of the lab?
3 / Number bytes of data are carried by each ICMP packet:
Does the result agree with the information in Part I of the lab?
4 / Difference between the time the first Echo message was sent and the first reply message was received:
Does the result agree with the information in Part I of the lab?
5 / a. Fields that are the same in Echo request and Echo reply: Reason:
a. Fields that are different in Echo request and Echo reply: Reason:
6 / a. Fields that are the same in Echo requests: Reason:
a. Fields that are different in Echo request: Reason:
Part III
1 / Number of probe packets for each TTL value:
2 / IP address of the default router:
3 / How many routers are in between the source and destination?
4 / IP address of the destination:
Part IV
1 / Number of ICMP packets in the packet list pane:
2 / Relation between the number of ICMP packets to the number of network visited in the traceroute:
3 / Content of Echo request ICMP packet:
Content of Time-to-live exceeded ICMP packet:
How the content of the Time-to-live exceeded ICMP packet is related to the content of the Echo request ICMP packet?
4 / TTL value of the last echo request ICMP packets:
The number of routers between the host and destination:
5 / Source IP address of the echo reply ICMP packets:
Which entity does this address define?