Priority Commands Queue cos-map | Microsoft ES4649, ES4625 specification

Priority Commands 4

queue cos-map

This command assigns class of service (CoS) values to the priority queues (i.e., hardware output queues 0 - 7). Use the no form set the CoS map to the default values.

Syntax

queue cos-mapqueue_id [cos1 ... cosn] no queue cos-map

•queue_id - The ID of the priority queue.

Ranges are 0 to 7, where 7 is the highest priority queue.

•cos1 ... cosn - The CoS values that are mapped to the queue ID. It is a space-separated list of numbers. The CoS value is a number from 0 to 7, where 7 is the highest priority.

Default Setting

This switch supports Class of Service by using eight priority queues, with Weighted Round Robin queuing for each port. Eight separate traffic classes are defined in IEEE 802.1p. The default priority levels are assigned according to recommendations in the IEEE 802.1p standard as shown below.

Table 4-68 Default CoS Priority Levels

Queue	0	1	2	3	4	5	6	7

Priority	2	0	1	3	4	5	6	7

Command Mode

Interface Configuration (Ethernet, Port Channel)

Command Usage

•CoS values assigned at the ingress port are also used at the egress port.

•This command sets the CoS priority for all interfaces.

Example

The following example shows how to change the CoS assignments to a one-to-one mapping:

Console(config)#interface ethernet 1/1

Console(config-if)#queue cos-map 0 0

Console(config-if)#queue cos-map 1 1

Console(config-if)#queue cos-map 2 2

Console(config-if)#exit

Console#show queue cos-map ethernet 1/1

Information of Eth 1/1

Traffic Class : 0 1 2 3 4 5 6 7

Priority Queue: 0 1 2 3 4 5 6 7

Console#

Related Commands

show queue cos-map(4-210)

4-209

ES4649, ES4625 specifications

The Microsoft ES4625 and ES4649 are advanced enterprise-grade servers designed to meet the demands of modern data centers. They blend cutting-edge technology with robust performance, making them an ideal choice for businesses that require reliable processing capabilities, enhanced storage solutions, and improved energy efficiency.

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Microsoft ES4649 manual Priority Commands Queue cos-map, Related Commands Show queue cos-map4-210

Models: ES4649 ES4625