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Priority-group-table – Brocade Network OS Command Reference v4.1.0 User Manual

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Network OS Command Reference

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priority-group-table

2

priority-group-table

Configures the bandwidth for each priority group.

Synopsis

priority-group-table pgid [weight weight] [pfc {on | off}]

no priority-group-table pgid

Operands

pgid

Specifies the priority group ID (PGID) assigned to a priority group. Valid
values range from 15.0 through 15.7 for the eight reserved Strict Priority
PGIDs.

weight weight

Maps a weight to a Deficit Weighted Round Robin (DWRR) scheduler
queue. This parameter is only valid for the DWRR Priority Group. The sum of
all DWRR Priority Group weight values must equal 100 percent. Valid values
range from 1 through 100.

pfc

Enables the Priority-based Flow Control (PFC) for each priority that gets
mapped to the priority group.

on

Enables PFC.

off

Disables PFC.

Defaults

There is no default value for the weight. PFC is disabled.

Command Modes

CEE map configuration mode

Description

Use this command to set the bandwidth for each priority group.

Enter priority-group-table to configure the bandwidth for each priority group, to associate a weight
to a DWRR scheduler queue, and to enable the PFC.

You can define up to eight additional DWRR Priority Groups with the PGID values in the range from
0 through 7. Strict Priority Groups take priority in order from the lowest PGID value to the highest
PGID value; for example, a PGID of 15.0 is a higher priority than a PGID of 15.1 and a PGID of 15.1
is higher priority than a PGID of 15.2.

Enter no priority-group-table pgid to return the priority group to the default values. For the Strict
Priority Group, the PGID is still valid, but the PFC is disabled. For the DWRR Priority Group, the
PGID is no longer valid and is deleted; the PGID can only be deleted when it is not bound to any
Priority-to-Priority Group Table entry. The following lists the bandwidth allocation to user priority
groups.

Usage Guidelines

A PGID value of 15 is a special value, which allows you to configure priorities with no bandwidth
limit. The priority groups of 15.0 to 15.7 are predefined in the switch.

Examples

To define the CEE map and configure the bandwidth with the priority group, use the values in
Table .

switch(config)# cee-map test

Bandwidth allocation to user priority groups

PGID

PG%

PFC

Description

0

50

Y

SAN

1

50

N

LAN