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HomeCommon ProblemDoes ipv6 improve network speed?

ipv6 improves network speed. Reason: The address length of IPv6 is 128 bits, which is 4 times the length of IPv4 address. Therefore, the network of ipv6 protocol has greater bandwidth than the network of ipv4 protocol. The bandwidth is like the width of the road, and the network speed is like the speed of the car. This way It will reduce network congestion, thereby indirectly increasing network speed.

Does ipv6 improve network speed?

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

ipv6 improves network speed.

Reason: The ipv6 protocol network has a larger bandwidth than the ipv4 protocol network. The bandwidth is like the width of a road, and the network speed is like the speed of a car. This will reduce network congestion, thereby indirectly Improved network speed;

Introduction to ipv6

IPv6 is the abbreviation of "Internet Protocol Version 6" in English. It is a next-generation IP protocol designed by the Internet Engineering Task Force (IETF) to replace IPv4. Its number of addresses is claimed to be enough to assign an address to every grain of sand in the world.

The biggest problem of IPv4 is the insufficient network address resources, which seriously restricts the application and development of the Internet. The use of IPv6 can not only solve the problem of the number of network address resources, but also solve the obstacles for multiple access devices to connect to the Internet.

Does ipv6 improve network speed?

#The IPv6 address length is 128 bits, which is four times the length of the IPv4 address. An IPv6 IP address consists of 8 address sections, each section contains 16 address bits, and the total length is 16x8=128 bits.

Advantages of ipv6

1. IPv6 has a larger address space. IPv4 stipulates that the IP address length is 32, that is, there are 2^32-1 (the symbol ^ represents a rising power, the same below) addresses; while the IP address length in IPv6 is 128, that is, there are 2^128-1 addresses;

2. IPv6 uses a smaller routing table. IPv6 address allocation follows the principle of clustering from the beginning, which allows the router to use one record (Entry) in the routing table to represent a subnet, which greatly reduces the length of the routing table in the router and improves the forwarding efficiency of the router. The speed of data packets;

3. IPv6 adds enhanced multicast (MulTIcast) support and flow support (Flow Control), which gives multimedia applications on the network significant development opportunities and improves service quality. (QoS, Quality of Service) control provides a good network platform;

4. IPv6 adds support for automatic configuration (Auto ConfiguraTIon). This is an improvement and expansion of the DHCP protocol, making network (especially LAN) management more convenient and faster;

5. IPv6 has higher security. In an IPv6 network, users can encrypt network layer data and verify IP messages, which greatly enhances network security;

It takes several steps to enable IPv6 Prerequisites

#1. Network operator support. What is relatively certain at present is that 99% of home broadband supports IPv6.

2. Lightcat support. The optical modems that China Mobile sent to my family five or six years ago are all supported. Judging from the optical modems of the three major operators that the author has contacted, I have never seen any that are not supported. If it is really not supported, ask the operator to replace it with a new one. .

3. Router support. If you have purchased new routers in the past two years, especially those of the AX generation, judging from various advertisements, almost all of them are supported. Please pay attention when purchasing a router. Older routers can also be perfectly supported by refreshing the system or upgrading the system. Xiaomi Router 4A Gigabit version will be supported after the upgrade, and Xiaomi Router 3 can be perfectly supported by Pandora. Therefore, IPv6 is not a hardware problem, but a software problem.

4. Terminal support. Terminal devices, computers, and mobile phones that are less than ten years old can be definitely supported. Computers that are more than ten years old, if they can still be used, are basically supported, because the IPv6 standard has been out for decades.

So at present, there is almost no situation where IPv6 is not supported, but many people do not turn it on by default.

Tutorial on opening IPv6 - optical modem dialing

Directly above the picture, using my China Mobile optical modem dialing TP TL-R499GPM-AC illustrate.

Does ipv6 improve network speed?

China Mobile’s super account CMCCAdmin and password aDm8H%MdA

You can conduct Baidu according to your own operator, region, and optical modem model.

For example: China Mobile Henan HG6543C5

Network - Broadband Settings - IP Mode Select IPv4&IPv6

Does ipv6 improve network speed?

IPv6 information is as shown in the picture Show

Does ipv6 improve network speed?

#The above two items mean to obtain them directly and automatically. Of course, students who understand this can also set it to manual configuration, but from a usage perspective, it is not necessary and automatic configuration will do.

Remember to save! save! save!

Does ipv6 improve network speed?

There are three ways to obtain the DNS source, all of which are OK

Does ipv6 improve network speed?

LAN side address configuration - IPv6 configuration

Does ipv6 improve network speed?

Here is the DNS source, you can choose automatic. I chose static configuration (that is, manual configuration). The two DNS in the picture are Alibaba's on the top and Baidu's on the bottom. This setting can be a little faster than the DNS provided by the operator.

  • 1.Alibaba ipv6 dns 2400:3200::1 2400:3200:baba::1

  • 2.Baidu ipv6 dns 2400: da00::6666

  • 3.Google vip6 dns 2001:4860:4860::8888 2001:4860:4860::8844

WAN Select dynamic IP for IPv4 and disable IPv6

Does ipv6 improve network speed?

#When the router turns on the IPv6 bridge mode, the IPv6 configuration in other places must be disabled, otherwise it will conflict. The router has prompts.

IPv4 configuration in the router for reference:

Does ipv6 improve network speed?

Does ipv6 improve network speed?

Theoretically speaking, 9 in the above picture can be 1-254 Either one is fine, the only thing I suggest is not to choose 1, don’t choose it with the optical modem. The advantage of not being heavy is that you can log in to the router and the optical modem at the same time without any impact. It will not have much impact on the Internet. I am afraid that everyone will set it to 192.168.1.1. At that time, you may only be able to access the router, but not the optical modem. Just pay attention.

Router settings:

Does ipv6 improve network speed?

When dialing through the optical modem, you only need to enable IPv6 bridge mode in the router to achieve IPv6 configuration. No other configuration is required.

At this time, you can decide whether to turn on the firewall in Guangmao according to your needs. If you have no special purpose, please turn on the firewall. After turning it on, it will not affect external access. However, if you have NAS and other equipment at home, it will affect internal access, so you can decide whether to turn on or configure the firewall in detail.

Customize whether to turn it on:

1Does ipv6 improve network speed?

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