H3C IE4300 Command Reference Manual page 1763

Data buffer commands
Inappropriate data buffer changes can cause system problems. Before manually changing data
buffer settings, make sure you understand its impact on your device. As a best practice, use the
burst-mode enable
command and the
enable
configured the data buffer by using one command, you must execute the
before using the other command.
buffer apply
Use
buffer apply
Use
undo buffer apply
Syntax
buffer apply
undo buffer apply
Views
System view
Predefined user roles
network-admin
Usage guidelines
For data buffer settings to take effect, you must execute this command after configuring data buffer
settings.
After applying manually configured data buffer settings, you cannot directly modify the applied
settings. To modify them, you must cancel the application, reconfigure data buffer settings, and
reapply the new settings.
Examples
# Apply manually configured data buffer settings.
<Sysname> system-view
[Sysname] buffer apply
buffer queue guaranteed
Use
buffer queue guaranteed
Use
undo buffer queue guaranteed
Syntax
buffer egress [ slot slot-number ] { cell | packet } queue queue-id
guaranteed ratio ratio
undo buffer egress [ slot slot-number ] { cell | packet } queue queue-id
guaranteed
Default
The cell resource ratio for a queue is 12% of the total cell resources. The packet resource ratio for a
queue is 12% of the total packet resources.
command if the system requires large buffer spaces. The
buffer apply
to apply manually configured data buffer settings.
to restore the default.
to set the fixed-area space for a queue.
1
command are mutually exclusive. If you have
to delete the fixed-area space setting of a queue.
burst-mode
form of the command
undo