configure port shared-packet-buffer

configure port port_list shared-packet-buffer [percent | default]

Description

Configures the maximum amount of the shared packet buffer to be used by the specified ports.

Syntax Description

port_list Specifies a list of ports or slots and ports.
percent Specifies the maximum portion of the shared packet buffer to allot. The range is 0 to 100 percent.
Note

Note

On some platforms or I/O modules, the hardware provides a limited number of settings. In these cases, ranges of percentage values achieve the same setting.

Note

Note

You can view the configured percentage value using the show ports port-list info detail command.
Note

Note

You can view the effect of this command using the show ports port-list buffer command.

Default

Platform Percentage

BlackDiamond 8000 e-series modules

BlackDiamond 8800 c-series modules

25%

BlackDiamond 8900 xl- and xm-series modules

BlackDiamond 8900-G96T-c modules

E4G-200 and E4G-400 switches

BlackDiamond X8 series switches

Summit X460, X480 series switches

20%

BlackDiamond 8900-10G24X-c modules

50%

Usage Guidelines

It is possible to overcommit the shared packet buffer using this command.

Example

The following command sets the shared packet buffer for port 1:1 to 50%:
configure port 1:1 shared-packet-buffer 50

History

This command was first available in ExtremeXOS 12.5.

Platform Availability

This command is available on BlackDiamond X8 series switches, BlackDiamond 8000 c-, e- xl-, and xm-series modules, E4G-200 and E4G-400 switches, Summit family switches, and SummitStack.