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ICMP is a UDP protocol. It's used to ping an address to determine if connection is established between the host and destination addresses. Open
ICMP is a UDP protocol. It's used to ping an address to determine if connection is established between the host and destination addresses.
- Open Windows command prompt or Mac terminal. What command is used to find out the IP address of your host?
- Try one of the ping request packets sent by your host. For example, at the prompt, type ping localhost. How many packets are sent, received, and lost?
- Are the resource and destination port numbers associated with the ping request? If not, give reasons why an ICMP packet does not have source and destination port numbers.
- When pinging localhost, the approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms. Why 0ms is displayed on this roundtrip?
- Examine the the corresponding ping reply packet in your screenshot. What is TTL? What information does it provide?
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Computer Networking A Top-Down Approach
Authors: James F. Kurose, Keith W. Ross
5th edition
136079679, 978-0136079675
