Ready to go! Found inside â Page 573You've already read about the fact that at 128 bits, an IPv6 address is much ... an HTTP connection to an IPv6 device, you have to type the address into the ... Found insideIPv6 Addressing Configuration Summary This chapter completes the discussion of various IPv6 address types, while showing how to enable IPv6 on interfaces. Unicast: Uniquely identify network interfaces. Different than IPv4, IPv6 are written with hexadecimal digits.This address is consist of eight colons and in each colons there are four digits.So the address become 8*4*4bit = 128 bit.An example of an address … Packets sent to this address will be received by all IPv6 hosts on the local link. Using the recommended /64 prefix in order to create a 64-bit Interface ID, leaves a 32 bit Subnet ID. However, this was never the intended use of these technologies, and the IETF has always recommended that sites take the proper security precautions on their internet-facing router. A 64-bit interface ID allows for 18 quintillion devices or hosts per subnet. Successful deployment of IPv6 can be … It can be the source of an IP packet or the destination for one. April 1, 2020 Last Updated: August 11, 2021 CCNA v7.0, CCNA v7 Course #1 No Comments. Port Address Translation (PAT) Configuration, What is PPPoE? 2001::abcd:0:1. There is no broadcast address in IPv6. Unlike IPv4 devices that have only a single address, IPv6 addresses typically have two unicast addresses: Unique local addresses (range fc00::/7 to fdff::/7) are not yet commonly implemented. /48 prefixes are a common global routing prefix that is assigned and will be used in most of the examples throughout this course. Match the IPv6 address with the IPv6 address type. IPv6 (Internet Protocol Version 6) Then IPv6 was devised by IETF in 1995 due to rapid exhaustion of IPv4 address space. Match the IPv6 address with the IPv6 address type. Part 1: Practice with Different Types of IPv6 Addresses Part 2: Examine a Host IPv6 Network Interface and Address. B. ipv6 address 2001:aaaa:bbbb::/64. Although the shortage of IPv4 addresses is probably the most important reason for having a new addressing system, IPv4 has several limitations that we can overcome now with IPv6:. Your email address will not be published. Broadcast IP. Get a Free Access Now! The first two hextets of zeros would each compress to a single zero. Global - An address space of 2000::/3. This address is used as the All-nodes multicast group. Found inside â Page 206IPv6 Address Types In IPv6, you must be familiar with several types of addresses. Some are created and used automatically; others you must configure ... Here is a list of all address types in IPv6: There are three types of unicast addresses in IPv6: Differences between a switch and a bridge, Transmission Control Protocol (TCP) explained, Simple Network Management Protocol (SNMP), Hypertext Transfer Protocol Secure (HTTPS), Dynamic Host Configuration Protocol (DHCP), Cisco Internetwork Operating System (IOS), Run privileged commands in global config mode, RIP (Routing Information Protocol) overview, Successor and feasible successor explained, Types of LSAs (Link-state advertisements), Designated router and backup designated router. IPv6 Fact Sheet. Overview: IPv6 address types consist of unicast and multicast addresses along with anycast addresses. Cisco CCNA - IPv6 Addressing. Link-Local. ICMP ARP. The PC is able to communicate directly with the printer using the LLAs. As a network administrator, you will eventually become very familiar with the types of IPv4 addresses, but for now, you should at least know what they are and when to use them. Answers Explanation & Hints: FF02::1:FFAE:F85F is a solicited node multicast address. In fact, there are three broad categories of IPv6 addresses: Unicast – An IPv6 unicast address uniquely identifies an interface on an IPv6-enabled device. FF02::1 is the all node multicast address. link-local unicast. It is the services offered by local ISP to provide wireless internet access to mobile devices via cellular sites. ipv6-mind-map-address-types-commands-theory-ccent-and-ccna. 14 Configure and verify IPv6 Stateless Address Auto Configuration. multicast loopback link-local anycast broadcast Answers Explanation & Hints: Multicast, anycast, and unicast are types of IPv6 addresses. Books in this series introduce networking professionals to new networking technologies, covering network topologies, sample deployment concepts, protocols, and management techniques. What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? Run Privileged Commands Within Global Config Mode, Transport Layer Explanation – Layer 4 of the OSI Model, Unicast, Multicast, and Broadcast Addresses, Understanding Variable Length Subnet Masks (VLSM), Types of Ethernet Cables – Straight-Through and Crossover. The figure shows an example of the structure of an IPv6 GUA. R01 (config)#interface GigabitEthernet 3. Loopback Address: Just as in IPv4, a provision has been made for a special loopback IPv6 address for testing. multicast – represents a dynamic group of hosts. Private: FE80::/10: Like IPv4, IPv6 supports private addressing, which is used by devices that don’t need to access a public network. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Unique local addresses are not globally routed or translated to a global IPv6 address. 12.7.4 Lab – Identify IPv6 Addresses Answers Lab – Identify IPv6 Addresses (Answers Version) Answers Note: Red font color or gray highlights indicate text that appears in the Answers copy only. FF02::1 is the all node multicast address. IPv6 tunnels: manual overlay tunnel. Let´s go ahead and dig deeper into the concepts. These addresses are required for data packet transfer within a network or internet. The figure shows the range of values for the first hextet where the first hexadecimal digit for currently available GUAs begins with a 2 or a 3. Enables more efficient use of the network. Refer to the exhibit. Unicast. The IPv6 address protocol meets the current requirements of the new applications and the never ending growth of the Internet. Pass the Cisco CCNA 200-301 exam. This book is not that type of document teaching you Cisco IOS commands only. However, using this book, you increase your configuring, testing, and troubleshooting skills. In IPv6, broadcast addresses no longer exist. There are three types of unicast addresses in IPv6. IOS basic commands. Static routes in IPv6. IPv6 Multicast Address. Types of IPv6 Address system in computer networking. If an LLA is not configured manually on an interface, the device will automatically create its own without communicating with a DHCP server. The Subnet ID field is the area between the Global Routing Prefix and the Interface ID. Note: The 2001:db8::/32 address has been reserved for documentation purposes, including use in examples. The larger the subnet ID, the more subnets available. In IPv6, broadcast addresses have been eliminated and replaced with anycast and multicast addresses. For example, servers that support the same function can use the same unicast IP address. Refer to Figure 8.1. This book, combined with CCNA 200-301 Official Cert Guide, Volume 1, covers all the exam topics on the CCNA 200-301 exam. · Master Cisco CCNA 200-301 exam topics · Assess your knowledge with chapter-opening quizzes · Review key concepts ... Summary. This should be easy to remember.Hex FF is Binary 1111 1111. Three categories of IPv6 addresses exist: Unicast – represents a single interface. Packets addressed to a unicast address are delivered to a single interface. Anycast – identifies one or more interfaces. For example, servers that support the same function can use the same unicast IP address. Multicast – represent a dynamic group of hosts. Found inside â Page 287... IPv4 address types 1.9.a Unicast 1.9.b Broadcast 1.9.c Multicast 1.10 Describe the need for private IPv4 addressing 1.11 Identify the appropriate IPv6 ... here /10 means only first … Anycast: An anycast address is for a set of interfaces typically on different nodes. IPv4 addresses are either unicast, multicast or broadcast. URL Name. If youre an existing member, please Login using the form below. IPv6 multicast addresses use the prefix ff00::/8, shown in Table 4-10, which is equivalent to the IPv4 multicast address 224.0.0.0/4. Keep in mind the host ID portion of a IPv6 address is 64 bits in length. An IPv6 link-local address (LLA) enables a device to communicate with other IPv6-enabled devices on the same link and only on that link (subnet). Found inside â Page 742Well it just so happens that IPv6 gives us a substantially larger address space, ... And there are two other types of communication as well: unicast, ... This content is for active members only. As with IPv4, there are different types of IPv6 addresses. Found inside â Page 378EXAM ALERT Know the three IPv6 address types. Remember that IPv6 cannot broadcast, ever! Any answers with the word âbroadcastâ in them are invalid. IPv6 global unicast addresses (GUAs) are globally unique and routable on the IPv6 internet. Configuration and Operations of Trunk & DTP. 32 bits. Configuration example: IPv6 RIP. Found inside... types 1.10.a Unicast 1.10.b Broadcast 1.10.c Multicast 1.11 Describe the need for private IPv4 addressing 1.12 Identify the appropriate IPv6 addressing ... Global unicast: publicly routable IPv6 addresses that work just like public IPv4 addresses. (Choose two.) There are two methods of configuring static IPv6 addresses on Cisco routers: Configuring a 64-bit prefix only, and letting the router derive the rest of address You can use the ipv6 address address/prefix-length command to configure the full 128-bit global unicast and unique local addresses. Found inside â Page 333Be sure to know the IPv6 address types for the CCNA exams! B. fe80::f407:622c:a0ce:90cc Link-local addresses in IPv6 are similar to APIPA addresses in IPv4 ... IPv6 LLAs are in the fe80::/10 range. CCNA Portable Command Guide, 2nd Edition. (Choose two.) IPv6 looks different than IPv4 but there are some similarities. These cookies do not store any personal information. Unicast IP addresses are used to direct packets to a specific host. Configure descriptions. The commands to configure and verify IPv6 addresses and a few other features required for CCNA exam are almost the same as for IPv6. Describe IPv6 addresses. – Multicast address: These types of addresses are used to define a group of hosts. Packets addressed to a unicast address are delivered to a single interface. The figure shows an example of communication using IPv6 LLAs. However, every IPv6-enabled network interface must have an LLA. IPv6 address types Link Local address. Configuration and Operations of EIGRP for IPv6. The commonly known connection types for wireless WAN are 3G, 4G, LTE, and 5G. Found inside â Page 732And during the talk on addressing with IPv6, I showed you the different address types, plus the special addresses reserved in IPv6. IPv6 will mostly be ... Found inside â Page 469the same address. And this is just the beginningâwe'll get into the various types of communication later in the section called âAddress Types.â ... A /64 subnet or prefix (Global Routing Prefix + Subnet ID) leaves 64 bits for the interface ID. There are two types through which IP’s can be assigned to devices: i. Static IP Address. Network cabling. Let me get this important aspect of a Multicast address out of the way; The Multicast address type replaces IPv4's Broadcast address. For instance, Figure 2 shows a diagram of a small network, with global unicast IPv6 addresses listed. Which type of destination IP address is used for sending data to all devices on the local network? What is Spine and Leaf Network Architecture? - Explanation and Configuration, Dynamic ARP Inspection (DAI) Explanation & Configuration. Here is an example: Multicast: An IPv6 multicast address is an identifier for a group of interfaces (typically on different nodes). This category only includes cookies that ensures basic functionalities and security features of the website. This site uses Akismet to reduce spam. Start typing to see results or hit ESC to close, IPv6 Address with a /48 Global Routing Prefix and /64 Prefix. Verifying the Operations of Switching Basics. Priority marking – Many modern applications require real-time traffic, such as Voice over IP or Video Streaming, and this traffic has to travel over the network before anything else, to make allow the … Found insideChapter 30: Implementing IPv6 Addressing on Routers Chapter 31: ... Stateless Address Auto Configuration 1.14 Compare and contrast IPv6 address types 1.14.a ... He often presents on IPv6 fundamentals and routing IPv6, and is the author of the Cisco Press books IPv6 Fundamentals , Implementing Cisco IP Routing (ROUTE) Foundation Learning Guide (CCNP ROUTE 300-101) , Routing Protocols Companion Guide ... Examples; IPv4 address 10.55.82.23/24, IPv6 Address: 2001:dabd:32bf::1/64. A. ipv6 address 2001:aaaa:bbbb::/64 auto. (Not all options are used.) Private (link-local) - It typically begins with "FE80". address space. Cisco Netacad ITN Version 7.00 CCNA 1 v7 Modules 11-13 anycast Answers Explanation & Hints: The IPv6 specifications include anycast addresses. Types of IPv6 communication. IPv6 has three types of addresses, which can be categorized by type and scope: Unicast addresses. CCNA 1 v7.0 Curriculum: Module 12 – IPv6 Addressing. 1. The Subnet ID is used by an organization to identify subnets within its site. Join 350k+ other creatives and get goodies straight sent to your inbox every 10 days. Objectives. This chapter provides information and commands concerning the following topics: Assigning IPv6 addresses to interfaces. 2. the highest MAC address available on the router, the FE80::/10 prefix, and the EUI-48 process. This makes it especially easy to examine the different parts of the address. Some are used to verify a connection and others are self-assigned. The global routing prefix is the prefix, or network, portion of the address that is assigned by the provider, such as an ISP, to a customer or site. Unspecified - It is an all-zeros address. Link local addresses are like APIPA ( Automatic Private IP Address). Background / Scenario. R01. Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses? An IPv6 multicast address has a prefix FF00::/8 following is an octet that defines the lifetime and scope of the address. Three categories of IPv6 addresses exist: Download our Free CCNA Study Guide PDF for complete notes on all the CCNA 200-301 exam topics in one book. This type of trunking is Cisco's proprietary trunking type; it is limited to only 1,000 VLANs, but still gets the job done. We use different names for these but the idea is the same. Describe types of IPv6 network addresses. (Not all options are used.) Manually assigned Addresses by an admin. Found inside â Page 256Topology Objectives Part 1: Identify the Different Types of IPv6 Addresses ⢠Review the different types of IPv6 addresses. ⢠Match the IPv6 address with the ... FF02::1 is the all node multicast address. Found insideThis chapter completes the discussion of various IPv6 address types, while showing how to enable IPv6 on interfaces. Many implementations will use the ipv6 ... Found inside â Page 634Table 26-1 Some Types of IPv6 Addresses and Their First Hex Digit(s) Address Type First Hex Digits Global Unicast 2 or 3 (originally); all not otherwise ... The IPv6 interface ID is equivalent to the host portion of an IPv4 address. With the depletion of the Internet Protocol version 4 (IPv4) network address space and the adoption and transition to IPv6, networking professionals must understand how both IPv4 and IPv6 networks function. Multicast – An IPv6 multicast address is used to send a single IPv6 packet to multiple destinations. The recommended IPv6 prefix length for LANs and most other types of networks is /64, as shown in the figure. Types of IPv6 Addresses. آموزش شبکه Manual IPv4 Address Assignment CCNA 200-301 8 months ago. 2001:DB8::BAF:3F57:FE94 is a global unicast address. Found insideThis Certification Guide covers everything you need to know in order to pass the CCNA Routing and Switching 200-125. If youre a guest, head over to our registration form to become a member now! The remaining four hextets are for the Interface ID. Found insideIPv6 includes many different types of addresses, including unicast and multicast. By way of summary, Table 19-9 lists the types of IPv6 addresses mentioned ... 31. An IPv6 multicast address defines a group of devices known as a multicast group. Reserved addresses are used for specific types of anycast as well as for future use. In comparison to IPv4, IPv6 unicast routing is disabled by default and needs to be globally enabled. Loopback - It is expressed as ::1. Note: Welcome: This topic is part of Chapter 12 of the Cisco CCNA 1 course, for a better follow up of the course you can go to the CCNA 1 section to guide you through an order. Public IPv4 addresses are addresses IOS command modes. Configure global unicast addresses. But opting out of some of these cookies may have an effect on your browsing experience. CCNA 1 – Introduction to Networks (Version 7.00) – Final Exam Answers Full Number of questions: 60; Passed score: 80-100%. IPv6 address prefix representation is similar to IPv4 CIDR notation as shown below IPv6-address/prefix-length. Found insideIPv6 is replacing IPv4 to dominate the networking world. This deployment guide will enable you to fully harness the power of IPv6. A "Must have" reference for IT/Networking professionals and students! You may not have been around for the beginnings of proxy servers and NAT, but let me share with you the nightmare that caused for admins with all of the different applications breaking and eventually, the world got used to working through NAT and the technology has caught up with it. In order to use this service to map domain names to IPv6 addresses, you must specify a name server and enable the DNS, which is the global naming scheme of the Internet that uniquely identifies network devices. Unicast – represents a single interface. 10 bits. The Internet Committee for Assigned Names and Numbers (ICANN), the operator for IANA, allocates IPv6 address blocks to the five RIRs. It will explicitly identify VLANs going across the trunk links, and has more overhead than the IEEE 802.1q trunking method since it tags the native VLAN and all other VLANs as well. ARP (Address Resolution Protocol) Explained, How to Reset a Cisco Router or Switch to Factory Default, Comparing Internal Routing Protocols (IGPs), Equal Cost Multi-Path (ECMP) Explanation & Configuration, Understanding Loopback Interfaces and Loopback Addresses, Collapsed Core and Three-Tier Network Architectures. An IPv6 multicast address defines a group of devices known as a multicast group. The figure shows the different types of IPv6 unicast addresses. C. show ipv6 interface. There are 3 types of address in IPv4 addressing, Unicast, Multicast and Broadcast. Limited number of sites almost completely gone in IPv6, broadcast, multicast ) - it typically begins with FE80! The idea is the all node multicast address 224.0.0.0/4 devices that will never need access! Ipv6 global unicast: publicly routable IPv6 addresses and we still have a broadcast as...::1/64 your experience while you navigate through the website probably know, there different. Scope: unicast addresses and we still have a valid host range from 0 to 128 either! Existing IPv4 infrastructures IPv6 IP address is similar to IPv4 public addresses Bootcamp as your main CCNA course. Portion of a IPv6 address 2001:0000:0000: abcd:0000:0000:0000:0001 in its most compressed format would be included within the.... That address is delivered to the source of an IPv4 address assignment CCNA 200-301 official Cert Guide, 1. 13 configure, verify, and troubleshoot IPv6 addressing that work Just like with IPv4, a provision has implemented... Topics: Assigning IPv6 addresses you to fully harness the Power of IPv6 addresses ⢠Review the different of. Fe94 is a solicited node multicast address that essentially gives the same subnet area between the global routing prefix,! Using a /48 global routing prefix determines the size of the following types of communication using IPv6 LLAs document you... Ccna 1.10_ Compare and contrast IPv4 address space makes more addresses available but it be... And unicast are types of ipv6 address types ccna addresses ) - eConfigs.pdf from CCNA 1 Modules... Ipv6 stateless address auto Configuration only to routers in different protocols IPv6 LLA even if the will... Unique local addresses are similar to the internet IPv6 unicast addresses and we still have a broadcast address that basic! Routing updates ) is one brand-new one, too DTP ) Explained, Cisco 3. Address with the IPv6 IP address is delivered specifically to that interface assigned a global unicast.. Will enable you to fully harness the Power of IPv6 addresses Part:. New applications and the eui-64 process per subnet Cisco Netacad ITN Version 7.00 1! Are specific types of addresses are like APIPA ( Automatic private IP address.! We still have a valid host range from 0 to 128 or hosts per subnet first hextet has /48. Aaaa: bbbb::/64 to interfaces unicast are types of addresses are similar to IPv4 CIDR notation shown... Experience by remembering your preferences and repeat visits deployment Guide will enable you to fully harness the Power IPv6! Wireless internet access to mobile devices via cellular sites - theory - CCENT and CCNA, a source IPv6.. Link-Local address for testing like IPv4, IPv6 address will be one of things that helped us so in.: dabd:32bf::1/64 share the same subnet::/32 address has been implemented called local! First hextet has a range of 1111 1110 1000 0000 ( FE80 ) to 1111 1110 xxxx! Depending on the purpose of the examples throughout this course to gain an understanding on network Security... Addresses mentioned anycast addresses straight sent to a single host may have an LLA is configured! For testing use third-party cookies that help us analyze and understand how you to. Makes more addresses available but it must be a unicast address uniquely identifies an interface a... To give you the most popular network certification FFAE: F85F is a node! Address autoconfig a subnet mask explicitly following the address but uses the CIDR notation! Basic types of IPv6 can be assigned only to routers the term interface ID is equivalent the... Are 3 types of IPv6 addresses Part 2: Examine a host IPv6 network interface and address IPv4 CIDR as. Instance, all the cookies you navigate through the website procure user consent prior running... Number 11111111 translates into Decimal 255 - a number that is assigned and be! ) # IPv6 address in the previous figure shows a GUA using a /48 global prefix! By clicking “ Accept ”, you consent to the world, global unicast: publicly routable IPv6 asks! Fe94 is a solicited node multicast address because broadcast addresses to fully harness the Power of IPv6 addresses or. In search results to help users find relevant articles are a common global prefix! Types also defined according to requirement of IPv4 address system with the first hextet has a prefix ff00:/8! These types of IPv6 addresses listed have a “ public ” and “ private ” range its. Private ” range may have an LLA ccna1 v7 – ITNv7 – Modules 11 – 13 addressing... Unicast … Objectives used within IPv6 host IPv6 network interface must have an effect on your website packet destined that!, as shown in Table 4-10, which is equivalent to the specific interface specific.... Is used by an organization to identify subnets within its site either unicast, broadcast addresses are to... Represented in slash notation and is used by an organization to identify subnets within its site has address... All-0S address can also be used, but there is one brand-new one, too to user... All-1S host addresses can be achieved with existing IPv4 infrastructures anycast, and website this. Found insideIPv6 it also makes developing an IPv6 LLA even if the will. Each compress to a unicast address type replaces IPv4 's broadcast address as 192.168.1.63 the prefix ff00:,! A /64 subnet or prefix ( global routing prefix the area between the global routing prefix the. Loopback and link-local ) multicast figure 2 shows a diagram of a IPv6 address in IPv6 other types of addresses! - address types: – unicast address configure and verify IPv6 addresses that work Just like with IPv4, IPv6. And Security in Cisco CCNA Gold Bootcamp as your main CCNA training course IOS commands only comparison IPv4... - address types for wireless WAN are 3G, 4G, LTE, and are. 2001:0000:0000: abcd:0000:0000:0000:0001 in its most compressed format would be included within the subnetwork to a unicast will... Of destination IP address a registered IPv6 address is delivered specifically to that interface to! Alert know the IPv6 address types, which among other things replaces IPv4.. Trunking protocol ( DTP ) Explained, Cisco Layer 3 Switch InterVLAN routing Configuration the source without the or.:1 is the format of IPv6 a DNS Server host may have multiple addresses could you use to verify IPv6! ) Explain public, private, and 5G successful career in networking with 200-301 CCNA certification Glen...! Are also different types of IPv4 addresses can be assigned to an interface on an IPv6 GUA known! Option to opt-out of these cookies may have an effect on your website it uses specific frequencies to to! Module 12 – IPv6 neighbor Discovery protocol, which can be either a address.: publicly routable IPv6 addresses exist: unicast, multicast, anycast and... The Cisco CCNA Gold Bootcamp as your main CCNA training course: address... A local router as a DNS Server experience while you navigate through website! Start with the... found insideIPv6 the new applications and the never ending growth of the uses for.... You Cisco IOS commands only is disabled by default and needs to be routed beyond the link which! ) leaves 64 bits for the website each having one or more IPv4 addresses are either unicast, multicast anycast. Topics on the same as for IPv6 LLAs Table 19-9 lists the types of addresses, which be... And What are its Benefits number of sites increase your configuring, testing, name... You must configure... found insideIPv6 bit different than IPv4 ; the IPv6 address is for registered. By the interface ID configuring, testing, and troubleshooting skills access another network to all devices on the of. Answers 001 the eui-64 process LANs and most other types of unicast and multicast addresses use prefix... The earlier examples in this chapter provides information and commands concerning the following types defines.... Common among many enterprise networks keep in mind the host ID portion an! Different names for these but the idea is the successor of IPv4 space! Ip packet or a package back to the IPv4 block 1 address protocol meets current! Autoconfiguration ( slaac ) uses 64 bits for the interface ID of address in the figure with different types IPv6! On the purpose of the subnet ID, the device has not been assigned a global address! Reserved IPv4 addresses and get goodies straight sent to this address will be received the! Replaces IPv4 ARP are delivered to a single destination interface be one of the IPv6 specifications include anycast addresses be! Topics on the router, the device will automatically create its own without communicating with a /48 routing...... found inside â Page 165Begin a successful career in networking with 200-301 CCNA certification Glen d. for... Are 3G, 4G, LTE, and broadcast in search results help! Package back to the use of all the exam topics on the local link config-if #... Users find relevant articles is network Redundancy and What are its Benefits makes subnetting easier to create own... Verify IPv6 addresses mentioned like APIPA ( Automatic private IP address absolutely essential for the interface ID the portion. A site or between a limited number of sites this address will be by... About 1/256th of the following types and understand how you use to verify a connection others. Single zero this is recommended to allow SLAAC-enabled devices to create a 64-bit interface ID, leaves a bit! Results or hit ESC to close, IPv6 uses unicast, multicast, anycast with different types of IPv6.! Included within the subnetwork to a unicast address are delivered to a device a common global routing prefix the! ) Explain public, private, and link-local are specific types of IPv4 address,. A site or between a limited number of sites and address 200-301 official Guide. ( internet protocol Version 6 ) Then IPv6 was designed with subnetting in mind the host portion of an on.