Tencent Cloud provides the bandwidth cap feature for playback domain name, which is disabled by default. You can set a cap threshold for the downstream bandwidth in the domain name acceleration region. If the peak bandwidth reaches the threshold within a statistical cycle, a 403 error will be returned for all LVB requests. You can enable/disable the bandwidth cap based on the actual usage of the domain name.
Prerequisites
Use Limits
Playback Domain Name Acceleration Region |
Default Restricted Region |
Notes |
Chinese mainland |
Chinese mainland |
The restricted region cannot be changed |
Hong Kong/Macao/Taiwan (China Region) and other regions |
Hong Kong/Macao/Taiwan (China Region) and other regions |
The restricted region cannot be changed |
Global acceleration |
Global acceleration |
The restricted regions can be configured to: - Chinese Mainland and/or Hong Kong/Macao/Taiwan (China Region) and other regions
- Global acceleration region
|
Configuring Bandwidth Cap
- Go to Domain Management and click the playback domain name to be configured or Manage on the right to enter the domain details page.
- Select Advanced Configuration > Bandwidth Cap Configuration.
- Click Edit in the top-right corner to enter the bandwidth cap configuration page.
- Toggle Bandwidth Cap on
.
- Click +Add limits to configure as follows:
- The available restricted regions are based on the type of playback domain name acceleration region you have selected. For more information on restricted region configuration rules, please see Use Limits.
- Enter the bandwidth threshold.
- Select a bandwidth unit (Mbps, Gbps, or Tbps).
- Click Save.

Note:
- The conversion scale for bandwidth is 1,000; for example, 1 Tbps = 1,000 Gbps, and 1 Gbps = 1,000 Mbps.
- Switching the region will invalidate the bandwidth cap configuration, so you will need to configure it again.
Disabling Bandwidth Cap
- Go to Domain Management and click the playback domain name to be configured or Manage on the right to enter the domain details page.
- Select Advanced Configuration > Bandwidth Cap Configuration.
- Click Edit in the top-right corner to enter the bandwidth cap configuration page.
- Toggle Bandwidth Cap off
.
- Click Save.
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