Chapter 6. OSI Network Layer

Upon completing this chapter, you will be able to:

• Draw parallels between common data-link layer terms and network layer terms

• Describe the mapping of IP onto Ethernet and Point-to-Point Protocol (PPP)

• Relate the IPv4 addressing scheme to the SCSI architecture model (SAM) addressing scheme

• Differentiate between the IP naming scheme and the SAM naming scheme

• Explain how IP address assignment works

• Delineate the logical and virtual network boundaries observed by IP

• Deconstruct the packet formats of ICMP and IP

• Enumerate and describe the delivery mechanisms supported by IP

• Describe the relationship of Internet Control Message Protocol (ICMP) to IP

• List the initialization steps required for IP communication

This chapter provides an in-depth review of the operational details of the Internet Protocol (IP).