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Tasks at a glance
Perform one of the following tasks:
• Enabling the Burst feature
• Configuring data buffers manually
{ Setting 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 feature
The Burst feature enables the device to automatically allocate cell and packet resources. It is well
suited to the following scenarios:
• Traffic enters a device from a high-speed interface and goes out of a low-speed interface.
• Traffic enters a device from multiple same-rate interfaces at the same time and goes out of an
interface with the same rate.
To enable the Burst feature:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enable the Burst feature.
burst-mode enable
By default, the Burst feature is
disabled.
The Burst feature takes effect only
on known unicast packets.
Configuring data buffers manually
CAUTION:
To avoid impact on the forwarding function of the system, do not manually change data buffer
settings. If large buffer spaces are needed, use the Burst feature.
The switch only supports configuring cell resources.
Setting the total shared-area ratio
Each type of resources of a buffer, packet or cell, has a fixed size. After you set the total shared-area
ratio for a type of resources, the rest is automatically assigned to the fixed area.
To set the total shared-area ratio:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Set the total shared-area
ratio.
buffer egress
[
slot
slot-number ]
cell
total-shared
ratio
ratio-value
By default, the total
shared-area ratio is 97% of
the buffer.
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