Chapter 3 IP: Internet Protocol

Chapter 3 Post-read Summary of TCP/IP protocol

1. IP is the most core protocol in the TCP/IP protocol family. The IP address provides unreliable transmission, which means it does not guarantee that IP packets can successfully reach the destination. IP addresses only provide the best transmission service. Any required reliability must be provided by the upper layer (such as TCP)

2. The division of subnets reduces the size of the Internet route table, because many networks can be accessed through a single table.

3. Information about the interface network can be obtained through ifcongif and netstat commands, including the interface IP address, subnet mask, broadcast address, and MTU.

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Chapter 3 IP: Internet Protocol