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How are IPv4 and IPv6 similar?
IPv4 is 32-Bit IP address whereas IPv6 is a 128-Bit IP address. IPv4 is a numeric addressing method whereas IPv6 is an alphanumeric addressing method. IPv4 uses ARP (Address Resolution Protocol) to map to MAC address whereas IPv6 uses NDP (Neighbour Discovery Protocol) to map to MAC address.
Are IPv6 ports the same as IPv4?
Port restrictions for IPv6 are identical to those available in IPv4. TCP and UDP have separate port spaces, each identified by port numbers in the range 1-65535. For IPv6, ports work the same as IPv4.
Will IPv6 totally replace IPv4 address?
IPv6 is a new version of the Internet Protocol that will eventually replace IPv4, the version that is most widely used on the Internet today. IPv6 is a well established protocol that is seeing growing usage and deployment, particularly in mobile phone markets.
How many IP addresses are in IPv6 vs IPv4?
The number of IPv6 addresses is 1028 times larger than the number of IPv4 addresses.
Do you need both IPv4 and IPv6?
You should use both IPv4 and IPv6 addresses. Nearly everyone on the Internet currently has an IPv4 address, or is behind a NAT of some kind, and can access IPv4 resources.
Why do I have both IPv4 and IPv6 addresses?
IPv6 and IPv4 are different and incompatible systems, you are running a ‘dual stack’ and your OS will try one then the other – typically 6 and then 4. If a site has a AAAA record, and you have a dual stack setup, you will typically connect to ipv6 first then ipv4.
Why do I have both IPv4 and IPv6?
A lot of the providers who are enabling IPv6 are doing so because they have run out of IPv4 addresses, and your IPv4 connection might go through a CGN. Besides modern browsers can fail over between IPv4 and IPv6 in less than a second, so having both enabled can provide additional resilience to some network failures.
Can you have IPv4 and IPv6 on the same interface?
You can have IPv4 and IPv6 addresses under the same interface and it will not generate any kind of problem, it should works perfectly. IPv6 enable command under an interface is used when you dont have any global ip address, so it will create one using the segment FE80 (link-local) + EUI 64.
What happens if I translate my IPv4 address to IPv6?
Question 1: If I translate my current IPv4 address (e.g. 192.168.45.1) to IPv6 and use that as my IPv6 address, will there be a IP address conflict, or are the two protocols completely different, as in on completely different networks?
Can a node be connected to an IPv4 network?
Apple devices are particularly fond of it for local resource discovery. Yes IPv4 and IPv6 are meant to coexist on the same network and are two separate worlds all together. This means your node is connected to a IPv4 network and a IPv6 network which both have their own respectable subnets.
How are IPv4 addresses stored in an IPv6 object?
In short, everybody involved knows that the packets are IPv4, but they have a corresponding (or “mapped” address) that allows the incompatible technologies to work together. In other words, IPv4 addresses are stored as mapped addresses. You can think of mapped addresses as a way to store an IPv4 address in an IPv6 object.