Telecom Broadband is a general term used by Chinese telecom operators to provide internet access services to their users. It offers a unified brand called "Tianyi Broadband," which delivers seamless broadband access through a centralized Tianyi broadband client. This service integrates various practical applications such as a unified address book, SMS, Tianyi Live, cloud storage, security expert, Tianyi Video, and 189 mailbox. These features help users meet their needs for high-speed internet, email, online trading, shopping, video on demand, gaming, remote education, telemedicine, telecommuting, home office, and e-commerce.
**Access Methods**
**Wired Mode**
1. **ADSL (Asymmetric Digital Subscriber Line)**
ADSL is often referred to as the "express train on the modern information highway." It typically offers a downstream speed of up to 8 Mbps and an upstream speed of up to 640 Kbps. Known for its fast speed, wide bandwidth, excellent performance, and broad coverage, it remains a popular choice for many users.
2. **LAN (Local Area Network)**
Using Ethernet technology, this method provides broadband access via FTTZ (Fiber to the Zone) plus LAN cables directly to the home. It aims to deliver gigabit speeds to the community, 100 Mbps to the building, and 10 Mbps to individual users. Since no modem is required, it's highly reliable and easy to use with just an Ethernet card.
3. **Internet Line**
This service offers a dedicated fiber-optic line for direct access to China Telecom’s broadband network. It supports speeds ranging from 10 to 1000 Mbps, providing fast and convenient high-speed internet access tailored for businesses and heavy users.
4. **Fiber Access**
Fiber access involves using optical fibers as the transmission medium in the access network. It can be divided into Active Optical Networks (AON) and Passive Optical Networks (PON). AON includes SDH-based and PDH-based options, while PON includes narrowband and broadband types. FTTX (Fiber to the X) refers to different levels of fiber penetration, such as FTTC (Fiber to the Curb), FTTB (Fiber to the Building), FTTO (Fiber to the Office), and FTTH (Fiber to the Home). Fiber access, especially FTTH, offers wide bandwidth, large capacity, excellent signal quality, and high reliability, making it the ideal solution for future broadband services.
**Wireless Mode**
Wireless broadband is a high-speed internet service based on China Telecom's WiFi, Tianyi 3G, and CDMA1X networks. Users can connect via WiFi cards or 3G data cards using the unified wireless broadband client software. This allows them to access the internet and enjoy rich network services seamlessly.
**How to Enable IPv6 on China Telecom Broadband**
To enable IPv6 on your system:
1. Press `Win + X` and select "Command Prompt (Admin)".
2. Type the following commands one by one:
```
netsh
interface
ipv6
isatap
set router 202.112.26.246
```
A confirmation message will appear, and you can then close the command prompt.
**Configuring IPv6 on the Operating System**
For Windows 7 and later systems:
1. Open Command Prompt as Administrator.
2. Run the following commands:
```
netsh
interface ipv6
install
interface ipv6 isatap
set router isatap.sjtu.edu.cn
```
You can also use other university IPv6 channels like:
- Huazhongda: isatap.hust.edu.cn (218.199.111.9)
- Tsinghua: isatap.tsinghua.edu.cn (59.66.4.50)
- Shanghai Jiao Tong: isatap.sjtu.edu.cn (202.120.58.150)
- Beijing University of Posts and Telecommunications: isatap.bupt.edu.cn (211.68.71.43)
If you still have trouble connecting, consider using tools like Veno, which allows you to access IPv6 content without registration. You can test your IPv6 connection by visiting sites like [http://ipv6.tsinghua.edu.cn](http://ipv6.tsinghua.edu.cn) or [http://bt.byr.cn](http://bt.byr.cn).
With 8 Mbps broadband, download speeds can reach up to 600 KB/s. While the setup may seem complex, there are always new tricks and tools emerging to make the process easier. If you have any tips or questions, feel free to share!
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