https://4sysops.com/archives/ipv6-tutorial-part-8-special-addresses/ The special IPv6 addresses discussed in this part of the IPv6 tutorial are the unspecified address, the loopback address, IPv4-mapped addresses, 6to4 addresses, multicast addresses,…

https://4sysops.com/archives/ipv6-tutorial-part-6-site-local-addresses-and-link-local-addresses/ In the last post of this IPv6 tutorial, you learned about the different address types and the new public IP addresses,the global unicast addresses. Today…

The zone ID is used to distinguish ambiguous link-local and site-local addresses. Unique local IPv6 unicast addresses are another way to address the problem of ambiguous IPv6 addresses. In the last post of this IPv6 tutorial, I introduced link-local…

https://4sysops.com/archives/ipv6-tutorial-part-5-address-types-and-global-unicast-addresses/ In my last post in the IPv6 series, you learned the IPv6 address syntax. Today, I will introduce the different types of IPv6 addresses. IPv6 address types T…

https://4sysops.com/archives/ipv6-tutorial-part-4-ipv6-address-syntax/ Now that you know about the new features of IPv6, it is time to have a closer look at the practical details. In this post, I will give a short summary about the IPv6 address synta…

https://4sysops.com/archives/ipv6-tutorial-part-3-new-features-ipsec-and-lan-features/ In the last post of this series, I discussed the new IPv6 features Quality of Service (QoS), hierarchical addressing, and the new address space. In this post, I ta…

https://4sysops.com/archives/ipv6-part-2-new-features-routing/ Routing路由选择 In the last post of my IPv6 series, I outlined the main reason why you should now get started with IPv6: IPv6 will come soon to your network whether you like it or not. Networ…

https://4sysops.com/archives/ipv6-part-1-get-started-now/ You’ve probably heard the news that the Internet is in trouble. The last block of IP addresses has been assigned by the Regional Internet Registries. However, considering that NAT is an effici…

IPv6 with Docker Estimated reading time: 10 minutes The information in this section explains IPv6 with the Docker default bridge. This is a bridgenetwork named bridge created automatically when you install Docker. As we are running out of IPv4 addres…

In this problem, your job to write a function to check whether a input string is a valid IPv4 address or IPv6 address or neither. IPv4 addresses are canonically represented in dot-decimal notation, which consists of four decimal numbers, each ranging…