Some manufacturers have embraced the idea that all their appliances need to be IP enabled.īesides the sheer growth in the need for IPv4 addresses, edicts from governmental agencies could drive demand for IPv6.

Most new cars have the ability to acquire and use an IP address, along with wireless communications, allowing the car dealer to contact the customer when the car’s diagnostics detect a problem with the car. Practically every mobile phone supports Internet traffic, requiring the use of an IP address. The eventual migration to IPv6 will likely be driven by the need for more addresses. Today, practically everyone seems to have access, through their PCs, handheld devices, phones, or even the refrigerator. Ten years ago, the public Internet had grown to the point where people in most parts of the world could connect to the Internet, but with most Internet users being the more computer-savvy people. Twenty years ago, no global network existed to which the general populace could easily connect. The world has changed tremendously over the last 10–20 years as a result of the growth and maturation of the Internet and networking technologies in general. Which of the following IPv4-to-IPv6 transition methods allows an IPv4-only host to communicate with an IPv6-only host? Which of the following configuration commands would enable RIP on Fa0/0? In the configuration text in the previous question, RIP was not working on interface Fa0/0. Which of the following IPv6 addresses will the interface use? In the following configuration, this router’s Fa0/0 interface has a MAC address of 4444.4444.4444. Which of the following are routing protocols that support IPv6? Which of the following help allow an IPv6 host to learn the IP address of a default gateway on its subnet? Which of the following answers list either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?

Which of the following answers lists a multicast IPv6 address? Global unicast addresses are not administratively assigned by an outside organization. Which of the following is the most likely organization from which an enterprise could obtain an administrative assignment of a block of IPv6 global unicast IP addresses? Global Unicast Addressing, Routing, and SubnettingĬonfiguring IPv6 Routing and Routing Protocols The answers to the “Do I Know This Already?” quiz appear in Appendix A. If you miss no more than one of these nine self-assessment questions, you might want to move ahead to the section “Exam Preparation Tasks.” Table 17-1 lists the major headings in this chapter and the “Do I Know This Already?” quiz questions covering the material in those headings so that you can assess your knowledge of these specific areas. The “Do I Know This Already?” quiz allows you to assess whether you should read the entire chapter. This chapter also briefly introduces some of the other features of IPv6, as well as explains some of the reasons for the need for IPv6. This chapter focuses on IPv6 addressing and routing, in part because the primary motivation for the eventual migration to IPv6 is to relieve the address constraints of IPv4. However, IPv6 has been the ultimate long-term solution for over ten years, in part because the interim solutions, including Network Address Translation/Port Address Translation (NAT/PAT), have thankfully delayed the day in which we truly run out of public unicast IP addresses. IPv6 provides the ultimate solution for the problem of running out of IPv4 addresses in the global Internet by using a 128-bit address-approximately 10 38 total addresses, versus the mere (approximate) 4*10 9 total addresses in IPv4. IP version 6 (IPv6), the replacement protocol for IPv4, is well known for a couple of reasons. IPv6 Transition Options: This section explains some of the options for migrating from IPv4 to IPv6. IPv6 Protocols and Addressing: This section examines the most common protocols used in conjunction with IPv6.Ĭonfiguring IPv6 Routing and Routing Protocols: This section shows how to configure IPv6 routing and routing protocols on Cisco routers. Global Unicast Addressing, Routing, and Subnetting: This section introduces the concepts behind unicast IPv6 addresses, IPv6 routing, and subnetting using IPv6, all in comparison to IPv4.

Subnetting chart for test