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Default CoS Values

Table 1 shows the default mappings between the bit values and standard aliases. For example, it is widely accepted that the alias for DSCP 101110 is ef (expedited forwarding).

Table 1: Default CoS Values

CoS Value Types

Mapping

DSCP and DSCP IPv6 CoS Values

ef

101110

af11

001010

af12

001100

af13

001110

af21

010010

af22

010100

af23

010110

af31

011010

af32

011100

af33

011110

af41

100010

af42

100100

af43

100110

be

000000

cs1

001000

cs2

010000

cs3

011000

cs4

100000

cs5

101000

nc1/cs6

110000

nc2/cs7

111000

MPLS EXP CoS Values

be

000

be1

001

ef

010

ef1

011

af11

100

af12

101

nc1/cs6

110

nc2/cs7

111

IEEE 802.1 CoS Values

be

000

be1

001

ef

010

ef1

011

af11

100

af12

101

nc1/cs6

110

nc2/cs7

111

Legacy IP Precedence CoS Values

be

000

be1

001

ef

010

ef1

011

af11

100

af12

101

nc1/cs6

110

nc2/cs7

111


Published: 2010-04-14

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