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In the previous article, we learned about the IPv6 protocol and believe that you have mastered the basic knowledge in this area. Now let's talk about the automatic configuration and security of IPv6. Then, the reason for upgrading to IPv6 is not only because of address shortage, because the new version of the network protocol has higher standards and performance.
1 PrefaceThe development of routing technology is closely related to the development of the entire internet. With the growth of Internet scale and load, a series of problems have emerged, such as insufficient address space and the sharp increase in the volume of information stored and exchanged by routers. This has allowed IPv6 to develop rapidly and will eventually replace IPv4. At the same time, the existing IPv4-based routing protocol must also be
In Linux, the method of enabling and disabling IPv6 is now supported by IPv6 by default. However, for some application servers that do not support IPv6 well, enabling IPv6 affects the server's network performance. After all, the current network switching device is not IPv6.
Centos6 disable the ipv6 method first, enter the ip-6addrshow and lsmod in the terminal | grepipv6 to check whether there is an IPV6 module installed, or use netstat-nuptl to check whether there is an ipv6 address, if there is a display, the IPV6 protocol is not disabled. follow these steps... To disable
According to the latest foreign media reports, the first user to use Microsoft's new operating system Windows Vista revealed that there are problems with the implementation of IPv6 in the new operating system, while IPv6 is the next generation Internet protocol that people expect.IPv6 supports 128-bit addressing and can provide addresses almost without restrictions. Estimate the actually allocable
As one of the most popular technologies in network applications, IPv6 routers play an important role in it. Here we mainly analyze the impact of IPv6 routers on network management, I hope you will gain some benefits after reading this article. Significant changes in the IPv6 Router Protocol improve network device management. First, adding an IP address from 32-bi
The IPv6 education Certification Program was launched by the Global IPv6 forum and covers a number of IPv6 courses and exam certification programs. The main purpose of this plan is to cooperate with IPv6's rapid global deployment and application, and encourage and accelerate the education and training of
Compared with IPv4, The main change of IPv6 is that the address length is 128 bits, that is, there can be 2 IP addresses to the power of 128, which is equivalent to 38 zeros behind 10. Such a huge address space is enough to ensure that everyone on the Earth has one or more IP addresses. IPv6 address type Three types of IPv6 addresses are specified in RFC1884, whi
In the previous article, we summarized the geological structure characteristics of the IPv6 protocol. I don't know if you still remember it. We will continue to add other advantages of this agreement today. First, we will consolidate the address configuration, and then describe its security and other aspects in detail. (1) stateful and Stateless Address Configuration To simplify host configuration, IPv6 sup
How to disable IPv6 in CentOS 7Https://Linux.cn/article-4935-1.htmlRecently, a friend of mine asked me how I should prohibit IPv6. After searching for a few, I found the following scenario. Here's how to disable IPv6 on my CentOS 7 mini-server.You can do this in two ways.Edit File/etc/sysctl.conf, VI /etc/sysctl. conf Add the following line:
(IPv6/IPng: Internet Protocol version 6) Internet Protocol version 6th (IPv6) is the latest version based on IPv4. IPv4 is a network layer protocol that contains addressing information and some control information to Route packets in the network. There are two versions of the IP protocol: IPv4 and IPv6. IPv6
Feng Qiang/Wen recently read a Science and Technology Report 《 It takes 10 years for China to build the world's first pure IPv6 network from IPv4 ", Mentioned in the article: The acceptance meeting of the" cngi demonstration network core network of China's next-generation Internet Demonstration Project "held at Tsinghua University was passed out, china has first established the world's first pure IPv6 netw
1 IPv6 The upgrade of IPV4 was first defined in two R F C. RFC 1883 describes the protocol itself, while R F C 1 8 8 4 introduces the IPV6 address structure. RFC 1884 has now been superseded by RFC 2373, and the summer of 1998 I E T F approved a draft to replace RFC 1883. Changes from 3 2-bit addresses to 1 2 8-bit addresses represent a significant shift. Overview of 5.1.1 Changes The changes in
In previous articles, we have explained the content of the IPv6 protocol. We should remember that in IPv6, there are unicast IPv6 routing protocols and IPv6 multicast routing protocols. Now let's take a look at the latter. What content does the IPv6 Multicast Routing Protoco
IPV6 has been clamoring for years, but the General Service is mainly IPV4, although many applications or Web servers have provided IPV6 access, but it is estimated that the distance is much longer. Compile nginx must compile:--with-ipv6, otherwise cannot use!! 1: Simultaneously listens to the Ipv4+ipv6 80 ports serve
It is often said that one of the characteristics of IPV6 is mobility. So for IP terminals, how to understand the mobility of him? In fact, is IPV6 automatic configuration. Some time ago I was fortunate to have a colleague show me this function, but more questions have emerged. IPV4, such as computers, in the network card to set up automatic access to IP addresses and DNS. Then you can automatically obta
The network addresses are of different types. In previous versions of V4, we learned about three common types. Now let's take a look at what types of IPv6 addresses are available. In IPv6 address types, there are many more specific and richer address types, which are also the basis for more performance. The leading position in the address defines the specific IPv6
NAT-PT is a network address converter with protocol conversion. By modifying the protocol header, you can change the network address so that IPv4 nodes and IPv6 nodes can communicate with each other. Different from some tunneling technologies, NAT-PT only needs to be enabled on the network conversion device that is interconnected between IPv4 and IPv6, the purpose of protocol conversion is to achieve the co
Currently, Skype can be bundled in Windows 8, but the problem is that it is not applicable to IPv6. Although there is no built-in advertisement or private space guarantee, Skype is still a speech software that is applied through Internet Protocol (VoIP) and instant messaging (IM) clients. Indeed, Microsoft is using Skype to replace other instant messaging software. However, another problem with Skype is increasingly confusing: it does not support Inte
IPv4 address depletion crisis needs to be sent to IPv6 as soon as possible IP address is an important part of the IP protocol. It can identify any device connected to the Internet. In the IP address relay, we can see that the IP address of the IP packet is written in the header of the outbound IP address and the destination IP address. The IP address carried on the IP package works with the router to allow the IP packet to be transmitted from one com
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