Contents
How is an IPv6 address assigned?
IPv6 Unicast Addresses: Network and Host IDs IPv6 unicast addresses generally use 64 bits for the network ID and 64 bits for the host ID. The network ID is administratively assigned. This format, as illustrated, expands the device interface 48-bit MAC address to 64 bits by inserting FFFE into the middle 16 bits.
What are the parts of an IPv6 address?
An IPv6 address is 128 bits in length and consists of eight, 16-bit fields, with each field bounded by a colon. Each field must contain a hexadecimal number, in contrast to the dotted-decimal notation of IPv4 addresses.
Which part of the IPv6 address is the subnet?
In an IPv6 address, the first 48 bits are the network prefix. The next 16 bits are the subnet ID and are used for defining subnets. The last 64 bits are the interface identifier (which is also known as the Interface ID or the Device ID).
What are the three parts of an IPv6?
What are the three parts of an IPv6 global unicast address? (Choose three.)
- subnet ID.
- global routing prefix.
- interface ID.
- subnet mask.
- broadcast address.
What are the two major types of unicast IPv6 addresses?
Unicast Addresses
- Global unicast address—A unique IPv6 address assigned to a host interface.
- Link-local IPv6 address—An IPv6 address that allows communication between neighboring hosts that reside on the same link.
- Loopback IPv6 address—An IPv6 address used on a loopback interfaces.
How is IPv6 address space allocated to RIRs?
In accordance with [ RFC 4291 ], IANA allocated initial ranges of global unicast IPv6 address space from the 2000::/3 address block to the RIRs. This document concerns the initial and subsequent allocations of the 2000::/3 unicast address space, for which RIRs formulate allocation and assignment policies.
Who is the organization that allocates IP addresses to RIRs?
The RIRs, as a matter of fact, do not generate the IP addresses that they themselves allocate. The Internet Assigned Numbers Authority (IANA) is the Internet organization that allocates IP addresses to each RIR, which takes it from there, handling the next level of allocation.
How are IPv6 addresses assigned to an interface?
IPv6 addresses are assigned to interfaces, rather than to nodes, in recognition that a node can have more than one interface. Moreover, you can assign more than one IPv6 address to an interface.
Where is the site prefix in IPv6 address 2001?
For example, the site prefix of the IPv6 address 2001:db8:3c4d:0015:0000:0000:1a2f:1a2b/48 is contained in the leftmost 48 bits, 2001:db8:3c4d. You use the following representation, with zeros compressed, to represent this prefix: