IPv6

IPv6 address planning and allocation – IPv6 Addressing
10 Nov

IPv6 address planning and allocation – IPv6 Addressing

Radley0 CommentsTECHNOLOGY,
IPv6 address planning and allocation involves designing and organizing the allocation of IPv6 addresses to different parts of a network. Proper address planning is crucial for efficient address utilization, network scalability, and effective network management. Here are some key considerations for IPv6 address planning and allocation: Address Space: IPv6 Address Format: IPv6 addresses are 128 bits long, represented in eight groups of four hexadecimal digits separated by colons (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334). Address Hierarchy: IPv6 address planning often involves dividing the address space hierarchically into subnets to accommodate different network segments and organizational requirements. This hierarchy allows for efficient routing and address…
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Address assignment techniques: Stateful vs. stateless address assignment – IPv6 Addressing
09 Nov

Address assignment techniques: Stateful vs. stateless address assignment – IPv6 Addressing

Radley0 CommentsTECHNOLOGY,
In IPv6 addressing, there are two main techniques for address assignment: stateful and stateless address assignment. These techniques determine how IPv6 addresses are assigned to devices on a network. Stateful Address Assignment:Stateful address assignment relies on a central server, typically a DHCPv6 (Dynamic Host Configuration Protocol for IPv6) server, to allocate IPv6 addresses to devices on a network. DHCPv6 Server: A DHCPv6 server manages a pool of IPv6 addresses and other configuration parameters. When a device joins the network and requests an IPv6 address, it sends a DHCPv6 request to the server. IPv6 Address Allocation: The DHCPv6 server assigns an…
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IPv6 neighbor discovery – IPv6 Routing
09 Nov

IPv6 neighbor discovery – IPv6 Routing

Radley0 CommentsTECHNOLOGY,
IPv6 Neighbor Discovery (ND) is a protocol in IPv6 networks that provides address resolution, stateless address autoconfiguration, duplicate address detection, router discovery, and parameter discovery functionalities. It is an essential component of IPv6 networking and plays a crucial role in IPv6 routing. Here are some key aspects of IPv6 Neighbor Discovery in relation to IPv6 routing: Address Resolution: IPv6 Neighbor Discovery allows nodes on the same link (subnet) to discover and resolve the link-layer (MAC) addresses of their neighboring nodes. This process is similar to the Address Resolution Protocol (ARP) in IPv4. When a node wants to send a packet…
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IPv6 static routing
09 Nov

IPv6 static routing

Radley0 CommentsTECHNOLOGY,
IPv6 static routing is a routing method where network administrators manually configure the routing table on routers to specify the paths for IPv6 traffic. Unlike dynamic routing protocols that exchange routing information among routers, static routing requires manual configuration and does not involve the exchange of routing updates. Here are the key points to understand about IPv6 static routing: Manual Configuration: In static routing, administrators manually configure the routing table on each router in the network. They specify the destination IPv6 network and the next-hop router or interface through which the traffic should be forwarded. Default Route: A default route…
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IPv6 routing protocols: RIPng, OSPFv3, and BGP
09 Nov

IPv6 routing protocols: RIPng, OSPFv3, and BGP

Radley0 CommentsTECHNOLOGY,
IPv6, the successor to IPv4, introduced several routing protocols for efficient and scalable routing in IPv6 networks. Three commonly used IPv6 rou ting protocols are RIPng, OSPFv3, and BGP (Border Gateway Protocol). Let's explore each of these protocols in more detail: RIPng (Routing Information Protocol next generation): RIPng is an extension of the original RIP protocol designed for IPv6 networks. It uses distance-vector routing, where routers exchange routing information with their directly connected neighbors. RIPng uses hop count as the metric to determine the best path to a destination. It is a simple and easy-to-configure protocol suitable for small to…
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IPv6 addressing schemes and subnetting
09 Nov

IPv6 addressing schemes and subnetting

Radley0 CommentsTECHNOLOGY,
IPv6 addressing schemes and subnetting in IPv6 are similar to those in IPv4 but with some key differences. IPv6 Addressing Schemes: Hierarchical Structure: IPv6 addresses have a hierarchical structure that allows for efficient routing and address assignment. The address is divided into different sections, and each section has a specific meaning. Global Routing Prefix: The global routing prefix identifies the network portion of the address and is assigned by the Internet Registry (IR) or Internet Service Provider (ISP). Subnet ID: The subnet ID identifies subnets within the network and is assigned by the network administrator. Interface ID: The interface ID…
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IPv6 address types: Unicast, multicast, and anycast
09 Nov

IPv6 address types: Unicast, multicast, and anycast

Radley0 CommentsTECHNOLOGY,
In IPv6, there are three main types of addresses: unicast, multicast, and anycast. Let's explore each of these address types in more detail: Unicast Addresses: Unicast addresses are used for one-to-one communication between a source and a single destination. Unicast addresses are typically assigned to individual network interfaces or devices. There are several types of unicast addresses in IPv6: Global Unicast Addresses: Global unicast addresses are routable IPv6 addresses that are globally unique and can be used for communication across the internet. They are similar to public IPv4 addresses and are assigned to devices for global reachability. Link-Local Addresses: Link-local…
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Key differences between IPv4 and IPv6
09 Nov

Key differences between IPv4 and IPv6

Radley0 CommentsTECHNOLOGY,
There are several key differences between IPv4 and IPv6, which are as follows: Address Space: The most significant difference is the address space. IPv4 uses 32-bit addresses, allowing for approximately 4.3 billion unique addresses. In contrast, IPv6 uses 128-bit addresses, providing an exponentially larger address space of approximately 3.4×10^38 unique addresses. This vast address space of IPv6 ensures the availability of addresses for an increasing number of devices and supports the growth of the Internet of Things (IoT). Addressing and Format: IPv4 addresses are represented in a dotted-decimal format, consisting of four sets of decimal numbers (each ranging from 0…
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IPv6 addressing architecture – Address types, address format, and representation
09 Nov

IPv6 addressing architecture – Address types, address format, and representation

Radley0 CommentsTECHNOLOGY,
IPv6 introduces a new addressing architecture that differs from the familiar dotted-decimal format of IPv4 addresses. The IPv6 addressing architecture includes various address types, a specific address format, and representation rules. Address Types: Unicast Addresses: Unicast addresses identify a single interface within an IPv6 network. They are used for one-to-one communication between a source and a destination. Unicast addresses include Global Unicast Addresses, Link-Local Addresses, and Unique Local Addresses. Multicast Addresses: Multicast addresses identify a group of interfaces within an IPv6 network. They are used for one-to-many communication, where a packet is sent to multiple devices simultaneously. Multicast addresses start…
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What is IPv6?
09 Nov

What is IPv6?

Radley0 CommentsTECHNOLOGY,
IPv6 (Internet Protocol version 6) is the successor to IPv4 and is designed to address the limitations of IPv4, which is running out of available IP addresses. IPv6 introduces several key features, advantages, and limitations: Features of IPv6: Expanded Address Space: IPv6 uses 128-bit addresses, providing a significantly larger address space compared to IPv4's 32-bit addresses. This expansion allows for a virtually unlimited number of unique IP addresses, accommodating the growing number of devices and users connected to the internet. Simplified Addressing and Addressing Hierarchy: IPv6 employs a simplified address format, using hexadecimal notation and colons to separate address segments.…
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