Alterar Maps DSCP-CoS e CoS-DSCP

Os routers/switches by default tem pré-configurado o mapeamento entre CoS e DCSP. No entanto e possível alterar o mapeamento segundo os nossos requisitos.

Rack1SW1#sh mls qos map

Dscp-cos map:
dscp:   0  8 10 16 18 24 26 32 34 40 46 48 56
———————————————–
cos:   0  1  1  2  2  3  3  4  4  5  5  6  7

Cos-dscp map:
cos:   0  1  2  3  4  5  6  7
——————————–
dscp:   0  8 16 26 32 46 48 56

!!Alterando o mapeamento cos-dcsp cs4=32 e cs5=40

Rack1SW1(config)#mls qos ma cos-dscp ?
<0-63>   Supported DSCP values are: 0,8,10,16,18,24,26,32,34,40,46,48,56
af11     Match packets with AF11 dscp (001010)
af21     Match packets with AF21 dscp (010010)
af31     Match packets with AF31 dscp (011010)
af41     Match packets with AF41 dscp (100010)
cs1      Match packets with CS1(precedence 1) dscp (001000)
cs2      Match packets with CS2(precedence 2) dscp (010000)
cs3      Match packets with CS3(precedence 3) dscp (011000)
cs4      Match packets with CS4(precedence 4) dscp (100000)
cs5      Match packets with CS5(precedence 5) dscp (101000)
cs6      Match packets with CS6(precedence 6) dscp (110000)
cs7      Match packets with CS7(precedence 7) dscp (111000)
default  Match packets with default dscp (000000)
ef       Match packets with EF dscp (101110)
Rack1SW1(config)#mls qos ma cos-dscp 0 0 0 0 32 40 0 0
Rack1SW1#sh mls qos maps

Dscp-cos map:
dscp:   0  8 10 16 18 24 26 32 34 40 46 48 56
———————————————–
cos:   0  1  1  2  2  3  3  4  4  5  5  6  7

Cos-dscp map:
cos:   0  1  2  3  4  5  6  7
——————————–
dscp:   0  0  0  0 32 40  0  0

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