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Figure 25 Share area and fixed area
Configuration task list
You can configure data buffers either automatically by enabling the Burst function or manually.
If you have configured data buffers in one way, delete the configuration before using the other way.
Otherwise, the new configuration does not take effect.
Tasks at a
lance
Perform either task:
• Enabling the Burst function
• Configuring data buffers manually:
{ Configuring the total shared-area ratio
{ Setting the maximum shared-area ratio for a queue
{ Setting the fixed-area ratio for a queue
{ Applying data buffer configuration
Enabling the Burst function
The Burst function enables the device to automatically allocate cell and packet resources. It is well suited
to the following scenarios:
• Broadcast or multicast traffic is intensive, resulting in bursts of traffic.
• Traffic enters a device from a high-speed interface and goes out of a low-speed interface, or enters
from multiple same-rate interfaces at the same time and goes out of an interface also with the same
rate.
To enable the Burst function:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enable the Burst function.
burst-mode enable
By default, the Burst function is
disabled.
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