ipv6 fundamentals

Talk about IPv6-the embarrassing IPv4 1. The embarrassing arp www.2cto.com knew long ago that layer-3 protocols include IP, ARP, ICMP, ARP under IP, and ICMP over IP. Looking at the arp Protocol format, we find that it does not use the IP protocol for packets. It seems that it is in parallel with the IP protocol. It is not appropriate to regard arp as part of the IP protocol because it is dedicated to IP service.As arp is located, and it is connected

The security technology of IPv6. Although IPv4 network security is a common problem, it is also a problem to be asked. Now let's talk about the IPv6 Security Gateway information. Now let's take a look at the specific content. IPv6 provides many transition technologies to achieve this gradual process. These transition technologies mainly focus on solving two types

As we all know, with the increase of the number of hosts on the Internet, the existing 32-bit IP address is not enough, so the introduction of the next generation of IP address IPv6, write network program to slightly change the existing network program to adapt to IPV6 network is quite easy.For us is the IP address changes, so the program in the use of IP address where the corresponding changes can be.Remem

IPv6 is often compared to a small island, and IPv4 is compared to the ocean. In fact, we will also use different methods and technologies to complete the transition from IPv4 to IPv6. The real islands and oceans do not exist, because the network itself is connected. What's more, the two online versions are an evolutionary relationship. 1. Background and status quo of intercommunication technology

The commercialization of IPv6 networks has played a key role in promoting IPv6 networks. Now, as an IPv4-dominated network. Many of us are still unclear about the IPv6 network address. Now let's take a look at the knowledge of IPv6 network addresses based on its installation problems.

650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M00/82/72/wKioL1dVgmui9Z2JAAAYQTpwR5M407.png "title=" 1.png " alt= "Wkiol1dvgmui9z2jaaayqtpwr5m407.png"/>(Routers with 3700 )R1#config TR1 (config) #interface f0/0R1 (config-if) #ipv6 enableR1 (config-if) #ipv6 address 2001:2::1/64R1 (config-if) #no shutR1 (config-if) #exitR1 (config) #interface loopback 0R1 (config-if) #

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

IPv6 route broadcast is one of the new features of IPv6-the implementation of stateless automatic configuration. The IPv6 protocol specifies two automatic device configuration schemes, one is implemented by DHCPv6 and the other is stateless automatic configuration. Vro broadcasts the prefix of the local subnet and the corresponding vro address. The new device aut

CentOS7 Disable IPv6 Recently, a friend of mine asked me how to disable IPv6. After searching, I found the following solution. The following describes how to disable IPv6 on my CentOS 7 mini server. You can do this in two ways.Method 1 Edit the/etc/sysctl. conf file, Vi/etc/sysctl. conf Add the following rows: Net. ip