Dell 9.7(0.0) manual Dcb pfc-shared-buffer-size, Dcb-map Enter the name of the DCB map Name None

Parameters

Defaults

Command Modes

Command History

Usage Information

dcb-map-	Enter the name of the DCB map.
name
None
CONFIGURATION
Version	Description
9.7(0.0)	Introduced on the S6000-ON.
9.3(0.0)	Introduced on the S4810 and S6000 platforms.

The dcb-map stack-unit all stack-ports all command overwrites any previous DCB maps applied to stack ports.

dcb pfc-shared-buffer-size

Configure the maximum amount of shared buffer size for PFC packets in kilobytes.

You must configure the shared buffer size to be less than the total PFC buffer size. If the buffer size and DCB buffer threshold settings are applied on one or more ports, a validaiton is performed to determine whether following condition is satisfied: Shared-pfc-buffer-size <= (Total-pfc-buffer-size - Σpfc priority <> buffer-size on each port, priority).

If the preceding condition is not satisfied by the shared PFC buffer size value, the configuration is not saved and a system logging message is generated stating that the shared buffer size that you attempt to specify cannot be configured because of the existing total buffer space on the system being lower than the shared buffer size. You must either enter a smaller value for the shared buffer size or increase the total buffer size appropriately by using the dcb pfc-total-buffer-sizecommand.

Syntax

Parameters

Default

Command Modes

Command History

dcb pfc-shared—buffer—size KB

KB Enter a number in the range of 0 to 7787.

The default is 1 KB for S6000 platforms.

CONFIGURATION mode

Version	Description
9.7(0.0)	Introduced on the S6000-ON.
9.3(0.0)	Introduced on the S4810, S4820T, and S6000 platforms.

Usage	Configure the maximum shared buffer available for PFC traffic. You can choose to
Information	increase or decrease the shared buffer that is currently allocated in the system by
	default. You must configure the shared buffer size to be less than the total PFC

504 Data Center Bridging (DCB)