priority-group-table 12

priority-group-table

 

Configures the bandwidth for each Priority Group.

Synopsis

priority-group-table pgid [weight weight] [pfc]

 

no priority-group-table pgid

Operands

pgid

Specifies the Priority Group ID (PGID) assigned to a priority group. The range

 

 

of valid values is 15.0-15.7 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. The range of valid

 

 

values is 1-100.

 

pfc

Enables the Priority-based Flow Control (PFC) for each priority that gets

 

 

mapped to the Priority Group.

Defaults

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

Command

CEE map configuration mode

Modes

 

 

Description

Use this command 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 of

 

0-7. 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 PGID of 15.1 is

 

higher priority than PGID 15.2.

 

Use the no priority-group-tablepgid command 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the PGID is no longer valid and is deleted; the PGID can only be deleted when it is not bound to any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.

Usage

A PGID value of 15 is a special value, which allows you to configure priorities with no bandwidth

Guidelines

limit. The priority groups 15.0-5.7 are pre-defined in the switch.

Examples To define the CEE map and configure the bandwidth with the Priority Group, use the values in Table 3.

TABLE 3

Bandwidth allocation to user priority groups

 

 

 

 

 

PGID

PG%

PFC

Description

 

 

 

 

0

50

Y

SAN

 

 

 

 

1

50

N

LAN

 

 

 

 

 

switch(config)#cee-map test

 

 

 

 

switch(conf-ceemap)#priority-group-table 0

weight

50

pfc

 

switch(conf-ceemap)#priority-group-table 1

weight

50

 

See Also

cee-map,priority-table,show qos

 

 

 

Converged Enhanced Ethernet Command Reference

191

53-1001762-01

 

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Brocade Communications Systems 53-1001762-01 manual Priority-group-table, Pgid, Weight weight, Pfc

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