What ipv6 address should i use

That may seem like a lot, but all 4. IPv6 utilizes bit Internet addresses. The number of IPv6 addresses is times larger than the number of IPv4 addresses. So there are more than enough IPv6 addresses to allow for Internet devices to expand for a very long time. The text form of the IPv6 address is xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx, where each x is a hexadecimal digit, representing 4 bits. Leading zeros can be omitted. The double colon :: can be used once in the text form of an address, to designate any number of 0 bits.

With Dual-IP stacks, your computers, routers, switches, and other devices run both protocols, but IPv6 is the preferred protocol. In IPv4 an address is split into two components a network component and a node component. This was done initially using Address classes and later using subnet masking. The address is split into 2 64 bit segments the top 64 bits is the network part and the lower 64 bits the node part:. See this Wiki description for exact details.

If we look at the upper 64 bits in more detail we can see that it is split into 2 blocks of 48 and 16 bits respectively the lower 16 bits are used for subnets on an internal networks, and are controlled by a network administrator.

The upper 48 bits are used for the global network addresses and are for routing over the internet. These addresses are known as global Unicast addresses and are the equivalent of the public addresses of IPv4 networks. The Internet authorities allocate address blocks to ISPs who in turn allocate them to their customers. See Global Address assignments. In IPv4 internal addresses use the reserved number ranges These addresses are not routed on the Internet and are reserved for internal networks.

These are meant to be used inside an internal network, and again they are not routed on the Internet. It is equivalent to the IPv4 address They are restricted to a link and are not routed on the Internal network or the Internet. Link Local addresses are self assigned i. They are routed on the Internal network but not routed on the Internet. They are equivalent to the IPv4 addresses are There are countless supposedly beginner tutorials on ipv6 but every single one goes on at length about bits and whatever and completely ignores the infinitely more relevant issue of the number of hosts.

Why is is so difficult to use exactly the same logic with ipv6? I Hope to revisit this tutorial at some point this year and update it and will give it some thought then. Rgds Steve. This will be more than sufficient to support trillions of Internet devices for the forseeable future. We will destroy the earth or kill ourselves before we run out. With IPv6, start with 'fd', followed by ten hex digits for your unique allocation x , and four hex digits for your network y.

Each machine then have a number up to 16 hex digits z. This will give you a value like 'fdxx:xxxx:xxxx:yyyy:zzzz:zzzz:zzzz:zzzz', although if you put a lot of zeros in it will be a lot shorter to write out. Pick 'a' as your first random ten x , and then use network '' inside that y , then for your machine pick '' because hex 63 is the same as decimal This would give your machine the IPv6 address 'fda'. For your specific network use different, random, values for the a part.

Note that the above examples happen to have the same number 99 decimal, 0x hex for the machine in both the IPv4 and IPv6 ranges, but they don't have to match it just might be easier. Firstly, there is no use in using a IPv6 address on a home network but still if you want to you then you should set it to automatic just for IPv6 , also your router must support DHCPv6 or Windows server will convert IPv4 to IPv6 automatically.

As you want to try out into for static IPv6 Address then There are multiple types of IPv6 addresses that can be used, frankly speaking, even I don't know about them all. Below is a conversion table for the IPv4 specified. This is one of the best tool I can trust. Conversion Table. I was using another format earlier but someone commented that the format should never be used on wire.

I have myself switched to this format now. There is a similar ServerFault Question , I think this would help you a bit. So the IPv4 address of There is no real need and probably no point to setting an IPv6 address on your internal network.

Just stick with the IPv4 address and ignore the warning. The warning would be relevant for use on a public server so unless you have good reason for running IPv6 on your internal network I wouldn't worry about it. On your other point, there is no IPv6 'translation' of an IPv4 address.

They are separate systems. In order to assign an IPv6 on your desktop, you would need to configure your internal router to manage an IPv6 network. This information can be simplified by the following picture:. It is worth noting that IPv6 has no notion of subnet masks like IPv4 has. Examples are:. The Unicast address type is probably the most important one. It distinguishes itself by these sub-type addresses:. Multicast is the technique used to send a packet from one source or multiple sources to multiple destinations receivers.

In its simplest form, a multicast flow is as follows. First, a host sends an ICMPv6 packet host solicitation to the router s multicast group. Then, a router responds to this request and sends a Router Advertisement RA packet back to the client along with configuration parameters:. The Anycast address behaves similarly to the Multicast address, except for the following. A packet sent from a client goes to a single selected destination and not to the whole group identified by the same destination address.

The receiving endpoint is selected based on the least expensive routing metric. The router uses the equal-cost multi-path to do this:. Eventually, we will all be using IPv6. The sooner you understand how this address space works, and how to implement IPv6 in your own networks, the better.