Disabling IPV6 in Windows® 7
IPv6, also known as Internet Protocol Version 6 is a general protocol for the Internet. It is basically an Internet-layer protocol meant for packet-switched internetworking. It defines network layer protocol i.e., it decides how the data is sent between two computers over packet switched networks, such as the Internet. The IPv6 contains addressing and control information meant to route packets for the next generation Internet. IPv6 consists of 128 bits and therefore it has a very large address space when compared to the previous version. Therefore, a large number of computers can be addressed with the help of this IPv6 addressing scheme. The IPV6 offers quality of service which is needed for certain new applications, such as IP telephony, video/audio, interactive games or e-commerce. It also ensures QoS which is a set of service requirements needed to deliver performance guarantee while transporting traffic over the network.
Given below are the role of IPv6 and the need to disable it in Windows 7 and how to perform this task:
- Benefits of IPv6
- Reasons to disable IPv6
- Steps to disable IPv6
Benefits of IPv6
IPv6 has two main features, one is that it allows the host to automatically configure while connected to a routed IPv6 network and the other is that it implements network-layer encryption and authentication through the IPsec. It has an increased address space of 128 bits and it provides more efficient routing. It requires reduced management and offers improved methods to change the Internet Service Protocol. It also has other advantageous features, like better mobility support, multi-homing and enhanced security.
Reasons to disable IPv6
In Windows 7 operating system, IPv6 is enabled by default. It will be a good option to disable it if you do not want to use it. There are two important reasons for disabling IPv6. One is that this protocol consumes additional CPU time and system memory as well as bandwidth. The resource usage of an Internet protocol is pretty less but enabling another protocol will increase your vulnerability to possible exploits. This will help you in case there occurs an IPv6 exploit and you have enabled only IPv4, which will leave you unaffected.
To disable IPv6, you can start by opening the Network Connections folder. Here various LAN, wireless, Bluetooth, high speed Internet and other network connections will be displayed with the network adapter description. Right click on the network connection that you need to disable and select 'Properties'. Then select 'Continue' on the user access control permission request prompt and clear the check box next to the IPv6 component in the list. This method will disable IPv6 on the particular LAN interface and connection. You can also disable IPv6 through the Windows 7 system registry. The registry settings will allow you to selectively disable components and configure behaviors for IPv6 in Windows 7.
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