Brocade TurboIron 24X Series Configuration Guide User Manual

Page 1072

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Brocade TurboIron 24X Series Configuration Guide

53-1003053-01

Classification

Once a packet is classified by one of the procedures mentioned, it is mapped to an internal
forwarding queue. There are eight queues designated as 0 to 7. The internal forwarding priority
maps to one of these eight queues as shown in

Table 166

through

Table 169

. The mapping

between the internal priority and the forwarding queue cannot be changed.

Table 166

through

Table 169

show the default QoS mappings that are used if the trust level for CoS

or DSCP is enabled.

TABLE 166

Default QoS mappings, columns 0 to 15

DSCP value

0

1

2

3

4

5

6

7

8

9

10

11

12

12

14

15

802.1p (COS)
Value

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

DSCP value

0

1

2

3

4

5

6

7

8

9

10

11

12

12

14

15

Internal
Forwarding
Priority

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

Forwarding
Queue

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

TABLE 167

Default QoS mappings, columns 16 to 31

DSCP value

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

802.1p (COS)
Value

2

2

2

2

2

2

2

2

3

3

3

3

3

3

3

3

DSCP value

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Internal
Forwarding
Priority

2

2

2

2

2

2

2

2

3

3

3

3

3

3

3

3

Forwarding
Queue

2

2

2

2

2

2

2

2

3

3

3

3

3

3

3

3

TABLE 168

Default QoS mappings, columns 32 to 47

DSCP value

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

802.1p (COS)
Value

4

4

4

4

4

4

4

4

5

5

5

5

5

5

5

5

DSCP value

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

Internal
Forwarding
Priority

4

4

4

4

4

4

4

4

5

5

5

5

5

5

5

5

Forwarding
Queue

4

4

4

4

4

4

4

4

5

5

5

5

5

5

5

5

TABLE 169

Default QoS mappings, columns 48 to 63

DSCP value

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

802.1p (COS)
Value

6

6

6

6

6

6

6

6

7

7

7

7

7

7

7

7

DSCP value

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

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