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CSS allows you to set a bandwidth cap for your playback domain. In the acceleration region of your domain, if the peak downstream bandwidth in a reference period hits the cap you set, a 403 error will be returned to playback requests. This feature is disabled by default.

Prerequisites

• You have logged in to the CSS console.
• You have added a playback domain name.

Limits

Configuring Bandwidth Cap

1. Go to Domain Management. Click the name of your playback domain or Manage on the right.
2. Select the Advanced Configuration tab.
3. In the Bandwidth cap configuration area, click Edit.
4. Toggle on Bandwidth Cap , and complete the following settings:
   • The valid region is determined by the acceleration region of your playback domain. For details, see Limits.
   • Enter a bandwidth cap.
   • Select a bandwidth unit (Mbps, Gbps, or Tbps).
5. Toggle on Alert threshold .
   Set an alert threshold as a percentage of the bandwidth cap. When the threshold is reached, the system will send you alerts via the Message Center or other channels.
6. Click Save.

Note：

• The conversion factor between the bandwidth units is 1,000: 1 Tbps = 1,000 Gbps; 1 Gbps = 1,000 Mbps
• If you change the acceleration region for your domain, you need to configure the bandwidth cap again.
• The default alert threshold is 80% of the bandwidth cap. Value range: 0-100.

Disabling Bandwidth Cap

1. Go to Domain Management. Click the name of your playback domain or Manage on the right.
2. Select the Advanced Configuration tab.
3. In the Bandwidth cap configuration area, click Edit.
4. Toggle off Bandwidth Cap .
5. Click Save.